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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows - operating activities |  |  |
Net income | $ 8,728 | $ 54,410 | $ 79,486
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 18,857 | 18,508 | 10,603
Deferred income taxes | (19,421) | 11,900 | 7,088
Stock-based compensation expense | 12,725 | 10,830 | 16,689
Accretion expense related to earnout payments | 1,926 | 1,554 | 820
Impairment charges | 59,478 | 7,246 | 0
Gain on marketable securities | (2,663) | (2,918) | (2,406)
Loss on disposal of property and equipment | 454 | 209 | 392
Changes in assets and liabilities, net of effects of acquisitions: |  |  |
Accounts receivable | (4,520) | 6,913 | 4,522
Accounts payable | 4,625 | (131) | (5,731)
Accrued expenses | 47,031 | (145,118) | 32,892
Restructuring accrual | 2,506 | 0 | 0
Deferred revenue | 6,272 | 2,035 | (7,237)
Income taxes recoverable (payable), net | 12,326 | (6,692) | (13,606)
Retirement and pension plan assets and liabilities | 6,021 | 7,493 | (479)
Prepaid expenses | (5,536) | 1,233 | (2,850)
Other assets and liabilities, net | 1,622 | 5,736 | (895)
Net cash provided by (used in) operating activities | 150,431 | (26,792) | 119,288
Cash flows - investing activities |  |  |
Acquisition of businesses, net of cash acquired | 0 | (49,858) | 0
Capital expenditures | (26,315) | (13,433) | (11,134)
Purchases of available for sale investments | (163,611) | (140,982) | (269,824)
Proceeds from sale of available for sale investments | 175,307 | 337,872 | 1,359
Net cash provided by (used in) investing activities | (14,619) | 133,599 | (279,599)
Cash flows - financing activities |  |  |
Cash dividends paid | (12,923) | (12,537) | (12,466)
Payment of employee tax withholding on equity transactions | (3,817) | (4,141) | (3,219)
Repurchases of common stock | 0 | (904) | 0
Acquisition earnout payments | 0 | (35,946) | 0
Net cash used in financing activities | (16,740) | (53,528) | (15,685)
Effect of exchange rates fluctuations on cash, cash equivalents and restricted cash | (15,877) | 3,850 | (13,774)
Net increase (decrease) in cash, cash equivalents and restricted cash | 103,195 | 57,129 | (189,770)
Cash, cash equivalents and restricted cash at beginning of period | 412,618 | 355,489 | 545,259
Cash, cash equivalents and restricted cash at end of period | 515,813 | 412,618 | 355,489
Cash paid for |  |  |
Income taxes | $ 26,125 | $ 22,137 | $ 41,910

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