| (dollars in millions, except share and per share data) | Three months ended December 31, | Year ended December 31, | ||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | Unaudited | |||||||||||||||
| Revenues | $491.0 | $419.8 | $1,766.2 | $1,439.7 | ||||||||||||
| Gross profit | $177.6 | $138.3 | $534.2 | $425.6 | ||||||||||||
| Net income (loss) | $33.1 | $0.0 | $(3.8 | ) | $(82.0 | ) | ||||||||||
| EPS diluted (1) | $0.10 | $0.01 | $(0.01 | ) | $(0.24 | ) | ||||||||||
| Ratio of net income (loss) to gross profit | 18.7 | % | 0.0 | % | (0.7 | %) | (19.3 | %) | ||||||||
| Cash flow provided by operating activities | $61.9 | $22.8 | $184.3 | $84.4 | ||||||||||||
| Cash, cash equivalents, short-term deposits and investments | $230.4 | $181.8 | $230.4 | $181.8 | ||||||||||||
| Non-GAAP Financial Data * | ||||||||||||||||
| ex-TAC Gross Profit | $212.7 | $168.5 | $667.5 | $535.8 | ||||||||||||
| Adjusted EBITDA | $92.3 | $50.1 | $200.9 | $98.7 | ||||||||||||
| Non-GAAP Net Income | $73.3 | $26.7 | $122.4 | $32.6 | ||||||||||||
| Ratio of Adjusted EBITDA to ex-TAC Gross Profit | 43.4 | % | 29.7 | % | 30.1 | % | 18.4 | % | ||||||||
| Free Cash Flow | $51.9 | $10.5 | $149.2 | $52.2 | ||||||||||||
| Q1 2025 Guidance | FY 2025 Guidance | |||||||
| Unaudited | ||||||||
| (dollars in millions) | ||||||||
| Revenues | $407 - $427 | $1,838 - $1,888 | ||||||
| Gross profit | $109 - $115 | $536 - $552 | ||||||
| ex-TAC Gross Profit* | $142 - $148 | $674 - $690 | ||||||
| Adjusted EBITDA* | $22 - $26 | $201 - $209 | ||||||
| Non-GAAP Net Income (Loss)* | $2 - $6 | $122 - $128 | ||||||
| CONSOLIDATED BALANCE SHEETS | 
| U.S. dollars in thousands, except share and per share data | 
| December 31,  2024 | December 31, 2023 | |||||||
| ASSETS | ||||||||
| CURRENT ASSETS | ||||||||
| Cash and cash equivalents | $ | 226,583 | $ | 176,108 | ||||
| Short-term investments | 3,780 | 5,725 | ||||||
| Restricted deposits | 200 | 1,407 | ||||||
| Trade receivables (net of allowance for credit losses of $11,815 and $10,207 as of December 31, 2024 and 2023, respectively) (1) | 370,110 | 306,307 | ||||||
| Prepaid expenses and other current assets | 55,328 | 69,865 | ||||||
| Total current assets | 656,001 | 559,412 | ||||||
| NON-CURRENT ASSETS | ||||||||
| Long-term prepaid expenses | 25,193 | 39,602 | ||||||
| Commercial agreement asset | 286,619 | 289,451 | ||||||
| Restricted deposits | 1,462 | 4,247 | ||||||
| Deferred tax assets, net | — | 0 | ||||||
| Operating lease right of use assets | 58,997 | 61,746 | ||||||
| Property and equipment, net | 69,388 | 72,155 | ||||||
| Intangible assets, net | 65,067 | 125,258 | ||||||
| Goodwill | 555,931 | 555,931 | ||||||
| Total non-current assets | 1,062,657 | 1,148,390 | ||||||
| Total assets | $ | 1,718,658 | $ | 1,707,802 | ||||
| CONSOLIDATED BALANCE SHEETS | 
| U.S. dollars in thousands, except share and per share data | 
| December 31,  2024 | December 31, 2023 | |||||||
| LIABILITIES AND SHAREHOLDERS' EQUITY | ||||||||
| CURRENT LIABILITIES | ||||||||
| Trade payables (2) | $ | 309,229 | $ | 282,012 | ||||
| Short-term operating lease liabilities | 21,881 | 20,264 | ||||||
| Accrued expenses and other current liabilities | 154,472 | 118,689 | ||||||
| Current maturities of long-term loan | 0 | 3,000 | ||||||
| Total current liabilities | 485,582 | 423,965 | ||||||
| LONG-TERM LIABILITIES | ||||||||
| Long-term loan, net of current maturities | 116,452 | 142,164 | ||||||
| Long-term operating lease liabilities | 42,561 | 49,450 | ||||||
| Warrants liability | 3,368 | 6,129 | ||||||
| Deferred tax liabilities, net | 5,497 | 14,815 | ||||||
| Other long-term liabilities | 13,292 | 14,217 | ||||||
| Total long-term liabilities | 181,170 | 226,775 | ||||||
| COMMITMENTS AND CONTINGENCIES (Note 18) | ||||||||
| SHAREHOLDERS' EQUITY | ||||||||
| Ordinary shares with no par value- Authorized: 700,000,000 as of December 31, 2024 and 2023; 293,134,865 and 295,670,620 shares issued and outstanding as of December 31, 2024 and 2023, respectively | — | — | ||||||
| Non-voting Ordinary shares with no par value- Authorized: 46,000,000 as of December 31, 2024 and 2023; 44,210,406 and 45,198,702 shares issued and outstanding as of December 31, 2024 and 2023, respectively | — | — | ||||||
| Treasury Ordinary shares, at cost - 33,528,361 (32,540,065 Ordinary shares and 988,296 Non-voting Ordinary shares) and 15,240,471 shares as of December 31, 2024 and 2023, respectively | (130,117 | ) | (55,513 | ) | ||||
| Additional paid-in capital | 1,335,825 | 1,262,093 | ||||||
| Accumulated other comprehensive income | 418.0 | 942 | ||||||
| Accumulated deficit | (154,220 | ) | (150,460 | ) | ||||
| Total shareholders' equity | 1,051,906 | 1,057,062 | ||||||
| Total liabilities and shareholders' equity | $ | 1,718,658 | $ | 1,707,802 | ||||
| CONSOLIDATED STATEMENTS OF LOSS | 
| U.S. dollars in thousands, except share and per share data | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Revenues | $ | 491,040 | $ | 419,774 | $ | 1,766,220 | $ | 1,439,685 | ||||||||
| Cost of revenues: | ||||||||||||||||
| Traffic acquisition cost | 279,819 | 251,264 | 1,101,556 | 903,866 | ||||||||||||
| Other cost of revenues | 33,611 | 30,260 | 130,446 | 110,261 | ||||||||||||
| Total cost of revenues | 313,430 | 281,524 | 1,232,002 | 1,014,127 | ||||||||||||
| Gross profit | 177,610 | 138,250 | 534,218 | 425,558 | ||||||||||||
| Operating expenses: | ||||||||||||||||
| Research and development | 36,174 | 34,379 | 142,438 | 136,255 | ||||||||||||
| Sales and marketing | 68,273 | 64,911 | 268,526 | 246,342 | ||||||||||||
| General and administrative | 25,940 | 30,165 | 97,337 | 106,698 | ||||||||||||
| Total operating expenses | 130,387 | 129,455 | 508,301 | 489,295 | ||||||||||||
| Operating income (loss) | 47,223 | 8,795 | 25,917 | (63,737 | ) | |||||||||||
| Finance income (expenses), net | (8,240 | ) | (1,421 | ) | (11,980 | ) | (12,804 | ) | ||||||||
| Income (loss) before income taxes expenses | 38,983 | 7,374 | 13,937 | (76,541 | ) | |||||||||||
| Income tax expenses | (5,840 | ) | (3,651 | ) | (17,697 | ) | (5,499 | ) | ||||||||
| Net income (loss) | $ | 33,143 | $ | 3,723 | $ | (3,760 | ) | $ | (82,040 | ) | ||||||
| Net income (loss) per share attributable to Ordinary and Non-voting Ordinary shareholders, basic | $ | 0.10 | $ | 0.01 | $ | (0.01 | ) | $ | (0.24 | ) | ||||||
| Weighted-average shares used in computing net income (loss) per share, basic | 344,451,734 | 348,538,870 | 343,388,908 | 346,376,114 | ||||||||||||
| Net income (loss) per share attributable to Ordinary and Non-voting Ordinary shareholders, diluted | $ | 0.10 | $ | 0.01 | $ | (0.01 | ) | $ | (0.24 | ) | ||||||
| Weighted-average shares used in computing net income (loss) per share, diluted | 348,834,250 | 357,796,637 | 343,388,908 | 346,376,114 | ||||||||||||
| CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS | 
| U.S. dollars in thousands | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Net income (loss) | $ | 33,143 | $ | 3,723 | $ | (3,760 | ) | $ | (82,040 | ) | ||||||
| Other comprehensive income (loss): | ||||||||||||||||
| Unrealized gains (losses) on available-for-sale marketable securities, net | — | 12 | 6 | 515 | ||||||||||||
| Unrealized gains (losses) on derivative instruments, net | 253 | 1,148 | (530 | ) | 1,261 | |||||||||||
| Other comprehensive income (loss) | 253 | 1,160 | (524 | ) | 1,776 | |||||||||||
| Comprehensive income (loss) | $ | 33,396 | $ | 4,883 | $ | (4,284 | ) | $ | (80,264 | ) | ||||||
| SHARE-BASED COMPENSATION BREAK-DOWN BY EXPENSE LINE | 
| U.S. dollars in thousands | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Cost of revenues | $ | 813 | $ | 842 | $ | 3,853 | $ | 3,924 | ||||||||
| Research and development | 5,861 | 6,190 | 25,876 | 24,471 | ||||||||||||
| Sales and marketing | 4,321 | 3,584 | 17,847 | 16,397 | ||||||||||||
| General and administrative | 4,211 | 4,847 | 19,522 | 19,539 | ||||||||||||
| Total share-based compensation expenses | $ | 15,206 | $ | 15,463 | $ | 67,098 | $ | 64,331 | ||||||||
| DEPRECIATION AND AMORTIZATION BREAK-DOWN BY EXPENSE LINE | 
| U.S. dollars in thousands | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Cost of revenues | $ | 10,919 | $ | 11,260 | $ | 42,125 | $ | 39,024 | ||||||||
| Research and development | 729 | 770 | 4,222 | 2,528 | ||||||||||||
| Sales and marketing | 11,310 | 13,539 | 50,907 | 54,105 | ||||||||||||
| General and administrative | 1,423 | 234 | 599 | 855 | ||||||||||||
| Total depreciation and amortization expense | $ | 24,381 | $ | 25,803 | $ | 97,853 | $ | 96,512 | ||||||||
| CONSOLIDATED STATEMENTS OF CASH FLOWS | 
| U.S. dollars in thousands | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Cash flows from operating activities | ||||||||||||||||
| Net income (loss) | $ | 33,143 | $ | 3,723 | $ | (3,760 | ) | $ | (82,040 | ) | ||||||
| Adjustments to reconcile net income (loss) to net cash flows provided by operating activities: | ||||||||||||||||
| Depreciation and amortization | 24,952 | 25,803 | 100,928 | 96,512 | ||||||||||||
| Share-based compensation expenses | 15,206 | 15,463 | 67,098 | 64,331 | ||||||||||||
| Commercial agreement asset amortization | 1,442 | 0 | 2,832 | 0 | ||||||||||||
| Net loss (income) from financing expenses | 4,895 | (2,085 | ) | 3,764 | (816 | ) | ||||||||||
| Revaluation of the Warrants liability | 1,864 | 106 | (2,761 | ) | (627 | ) | ||||||||||
| Amortization of loan and credit facility issuance costs | 444 | 399 | 1,536 | 1,619 | ||||||||||||
| Amortization of premium and accretion of discount on short-term investments, net | (53 | ) | 9 | 177 | (914 | ) | ||||||||||
| Loss from disposal of property and equipment | 0 | 1,571 | 0 | 1,571 | ||||||||||||
| Change in operating assets and liabilities: | ||||||||||||||||
| Decrease (increase) in trade receivables, net (1) | (76,780 | ) | (74,189 | ) | (63,803 | ) | (49,599 | ) | ||||||||
| Decrease (increase) in prepaid expenses and other current assets and long-term prepaid expenses | 4,876 | 3,380 | 28,663 | 5,934 | ||||||||||||
| Increase (decrease) in trade payables (2) | 38,821 | 34,341 | 25,920 | 36,563 | ||||||||||||
| Increase in accrued expenses and other current liabilities and other long-term liabilities | 12,550 | 19,825 | 35,577 | 25,202 | ||||||||||||
| Decrease in deferred taxes, net | 1,644 | (7,278 | ) | (9,318 | ) | (15,496 | ) | |||||||||
| Change in operating lease right of use assets | 5,276 | 4,383 | 19,914 | 16,830 | ||||||||||||
| Change in operating lease liabilities | (6,345 | ) | (2,659 | ) | (22,436 | ) | (14,697 | ) | ||||||||
| Net cash provided by operating activities | 61,935 | 22,792 | 184,331 | 84,373 | ||||||||||||
| Cash flows from investing activities | ||||||||||||||||
| Purchase of property and equipment, including capitalized internal-use software | (10,025 | ) | (12,294 | ) | (35,155 | ) | (32,133 | ) | ||||||||
| Business acquisition deferred payment | — | — | (719 | ) | 0 | |||||||||||
| Investments in restricted deposits | — | — | — | (730 | ) | |||||||||||
| Proceeds from maturities of short-term investments | — | (136 | ) | 5,765 | 114,494 | |||||||||||
| Purchase of short-term investments | — | 6,825 | — | (21,991 | ) | |||||||||||
| Net cash provided by (used in) investing activities | (10,025 | ) | (5,605 | ) | (30,109 | ) | 59,640 | |||||||||
| Cash flows from financing activities | ||||||||||||||||
| Issuance costs | — | - | (695 | ) | - | |||||||||||
| Exercise of options and vested RSUs | 1,855 | 1,524 | 7,564 | 6,953 | ||||||||||||
| Payment of tax withholding for share-based compensation expenses | (689 | ) | (591 | ) | (3,085 | ) | (3,804 | ) | ||||||||
| Repurchase of Ordinary shares | (8,663 | ) | (32,356 | ) | (73,602 | ) | (55,513 | ) | ||||||||
| Payments on account of repurchase of Ordinary shares | (165 | ) | — | (165 | ) | — | ||||||||||
| Repayment of long-term loan | (30,000 | ) | (50,000 | ) | (30,000 | ) | (82,250 | ) | ||||||||
| Net cash used in financing activities | (37,662 | ) | (81,423 | ) | (99,983 | ) | (134,614 | ) | ||||||||
| Exchange rate differences on balances of cash and cash equivalents | (4,895 | ) | 2,085 | (3,764 | ) | 816 | ||||||||||
| Increase (decrease) in cash and cash equivalents | 9,353 | (62,151 | ) | 50,475 | 10,215 | |||||||||||
| Cash and cash equivalents - at the beginning of the period | 217,230 | 238,259 | 176,108 | 165,893 | ||||||||||||
| Cash and cash equivalents - at the end of the period | $ | 226,583 | $ | 176,108 | $ | 226,583 | $ | 176,108 | ||||||||
| CONSOLIDATED STATEMENTS OF CASH FLOWS | 
| U.S. dollars in thousands | 
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| Unaudited | ||||||||||||||||
| Supplemental disclosures of cash flow information: | ||||||||||||||||
| Cash paid during the year for: | ||||||||||||||||
| Income taxes | $ | 6,482 | $ | 8,076 | $ | 19,878 | $ | 18,011 | ||||||||
| Interest | $ | 3,259 | $ | 3,908 | $ | 14,313 | $ | 18,488 | ||||||||
| Non-cash investing and financing activities: | ||||||||||||||||
| Purchase of property and equipment, including capitalized internal-use software | $ | 1,080 | $ | 639 | $ | 1,080 | $ | 639 | ||||||||
| Share-based compensation included in capitalized internal-use software | $ | 411 | $ | 522 | $ | 2,156 | $ | 2,253 | ||||||||
| Creation of operating lease right-of-use assets | $ | 3,944 | $ | 1,126 | $ | 17,165 | $ | 11,730 | ||||||||
| Reclassification of Restricted deposit to Short-term deposit | $ | 3,780 | $ | — | $ | 3,780 | $ | — | ||||||||
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 |  2023 |  2024 |  2023 | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Revenues | $ | 491,040 | $ | 419,774 | $ | 1,766,220 | $ | 1,439,685 | ||||||||
| Traffic acquisition cost | 279,819 | 251,264 | 1,101,556 | 903,866 | ||||||||||||
| Other cost of revenues | 33,611 | 30,260 | 130,446 | 110,261 | ||||||||||||
| Gross profit | $ | 177,610 | $ | 138,250 | $ | 534,218 | $ | 425,558 | ||||||||
| Add back: Other cost of revenues and amortization | 35,053 | 30,260 | 133,278 | 110,261 | ||||||||||||
| ex-TAC Gross Profit | $ | 212,663 | $ | 168,510 | $ | 667,496 | $ | 535,819 | ||||||||
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 |  2023 |  2024 |  2023 | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Net income (loss) | $ | 33,143 | $ | 3,723 | $ | (3,760 | ) | $ | (82,040 | ) | ||||||
| Adjusted to exclude the following: |  |  |  |  | ||||||||||||
| Finance (income) expenses, net | 8,240 | 1,421 | 11,980 | 12,804 | ||||||||||||
| Income tax expenses | 5,840 | 3,651 | 17,697 | 5,499 | ||||||||||||
| Depreciation and amortization (1) | 26,356 | 25,803 | 103,722 | 96,512 | ||||||||||||
| Share-based compensation expenses | 15,206 | 12,727 | 60,044 | 53,749 | ||||||||||||
| Holdback compensation expenses (2) | — | 2,736 | 7,054 | 10,582 | ||||||||||||
| M&A and other costs (3) | 3,494 | — | 4,189 | 1,571 | ||||||||||||
| Adjusted EBITDA | $ | 92,279 | $ | 50,061 | $ | 200,926 | $ | 98,677 | ||||||||
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Net income (loss) | $ | 33,143 | $ | 3,723 | $ | (3,760 | ) | $ | (82,040 | ) | ||||||
| Amortization of acquired intangibles (1) | 16,972 | 15,966 | 65,135 | 63,888 | ||||||||||||
| Share-based compensation expenses | 15,206 | 12,727 | 60,044 | 53,749 | ||||||||||||
| Holdback compensation expenses (2) | — | 2,736 | 7,054 | 10,582 | ||||||||||||
| M&A and other costs (3) | 3,494 | — | 4,189 | 1,571 | ||||||||||||
| Revaluation of Warrants | 1,863 | (2,085 | ) | (2,761 | ) | (627 | ) | |||||||||
| Foreign currency exchange rate losses (4) | 4,975 | (4,430 | ) | 5,625 | (946 | ) | ||||||||||
| Income tax effects | (2,329 | ) | (1,909 | ) | (13,149 | ) | (13,597 | ) | ||||||||
| Non-GAAP Net Income | $ | 73,324 | $ | 26,728 | $ | 122,377 | $ | 32,580 | ||||||||
| Three months ended December 31, | Year ended December 31, | |||||||||||||||
|  2024 | 2023 | 2024 | 2023 | |||||||||||||
| (dollars in thousands) | ||||||||||||||||
| Net cash provided by operating activities | $ | 61,935 | $ | 22,792 | $ | 184,331 | $ | 84,373 | ||||||||
| Purchases of property and equipment, including capitalized internal-use software | (10,025 | ) | (12,294 | ) | (35,155 | ) | (32,133 | ) | ||||||||
| Free Cash Flow | $ | 51,910 | $ | 10,498 | $ | 149,176 | $ | 52,240 | ||||||||
| Q1 2025 Guidance | FY 2025 Guidance | ||||||
| Unaudited | |||||||
| (dollars in millions) | |||||||
| Revenues | $ | 407 - $427 | $ | 1,838 - $1,888 | |||
| Traffic acquisition cost | $ | (265) - ($282) | $ | (1,164) - ($1,198) |  | ||
| Other cost of revenues | $ | (33) - ($33) | $ | 138 - $138 | |||
| Gross profit | $ | 109 - $115 | $ | 536 - $552 | |||
| Add back: Other cost of revenues | $ | (33) - ($33) | $ | (138) - ($138) |  | ||
| ex-TAC Gross Profit | $ | 142 - $148 | $ | 674 - $690 | |||