v3.26.3
CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Cash flows from operating activities:    
Net income $ 200,363 $ 190,773
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization expense 47,133 42,877
Stock-based compensation expense 72,274 58,718
Reduction in the carrying amount of operating lease right-of-use assets 21,437 18,393
Fair value mark-to-market on investments (4,643) (3,191)
Unrealized foreign currency exchange gain, net (15,361) (10,978)
Deferred income tax benefit (6,776) (6,520)
Others, net 4,996 1,975
Change in operating assets and liabilities:    
Accounts receivable (106,786) (45,395)
Other current and non-current assets (18,013) (5,352)
Income taxes payable, net 23,317 (960)
Deferred revenue 4,815 (1,984)
Accrued employee costs (7,405) (1,193)
Accounts payable, accrued expenses and other liabilities 12,318 15,068
Operating lease liabilities (18,865) (18,895)
Net cash provided by operating activities 208,804 233,336
Cash flows from investing activities:    
Purchases of property and equipment (44,125) (41,727)
Proceeds from sale of property and equipment 260 315
Purchases of investments (205,090) (247,289)
Proceeds from redemption of investments 204,647 207,266
Business acquisition (net of cash and cash equivalents acquired) (153,838) 0
Investment in equity affiliate (600) (1,174)
Net cash used for investing activities (198,746) (82,609)
Cash flows from financing activities:    
Principal payments of finance lease liabilities (509) (365)
Proceeds from borrowings 882,000 175,000
Repayments of borrowings (668,250) (108,750)
Acquisition of treasury stock (212,439) (218,908)
Proceeds from issuance of common stock 4,583 5,094
Payment of debt issuance costs (3,518) 0
Net cash provided by/(used for) financing activities 1,867 (147,929)
Effect of exchange rate changes (2,820) 5,637
Net increase in cash, cash equivalents and restricted cash 9,105 8,435
Cash, cash equivalents and restricted cash at the beginning of the period 165,969 171,398
Cash, cash equivalents and restricted cash at the end of the period 175,074 179,833
Cash paid during the period for:    
Interest 14,235 12,473
Supplemental disclosure of non-cash investing and financing activities:    
Additions to property and equipment not yet paid 5,294 3,379
Assets acquired under finance lease $ 904 $ 733