Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities
Consolidated net income	$ 11,866	$ 18,838
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	11,576	11,185
Gain on sale of property and equipment	(460)
Currency (gain) loss on foreign denominated transactions	(198)	84
Deferred taxes	(11,921)	(13,091)
Provision for doubtful accounts	(300)	150
Stock-based compensation expense	14,904	14,147
Amortization of deferred financing costs	129
Amortization of deferred contract costs	2,737	2,806
Impairment of long-lived assets	175
Changes in operating assets and liabilities:
Accounts receivable	6,858	39,973
Inventory	3,645	(1,336)
Prepaid expenses, prepaid income taxes, and other assets	4,652	(2,127)
Deferred contract costs	(5,138)	(2,997)
Accounts payable	10,268	(4,062)
Accrued expenses, accrued income taxes, and other liabilities	4,542	30,087
Deferred revenue	8,557	(5)
Lease obligations	4,453	(592)
Net cash provided by operating activities	66,345	93,060
Investing Activities
Purchases of property and equipment	(2,398)	(1,230)
Capitalization of website development costs	(3,489)	(2,506)
Maturities of certificates of deposit		30,000
Net cash (used in) provided by investing activities	(5,887)	26,264
Financing Activities
Proceeds from issuance of common stock upon exercise of stock options	19	680
Payment of finance lease obligations	(17)	(19)
Payment of withholding taxes on net share settlements of restricted stock units	(2,066)	(5,430)
Repurchase of common stock	(69,024)
Payment of tax distributions to redeemable noncontrolling interest holders	(28)	(8,519)
Change in gross advance payments received from third-party transaction processor	(2,122)	(23,606)
Net cash used in financing activities	(73,238)	(36,894)
Impact of foreign currency on cash, cash equivalents, and restricted cash	329	(212)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(12,451)	82,218
Cash, cash equivalents, and restricted cash at beginning of period	484,132	248,280
Cash, cash equivalents, and restricted cash at end of period	471,681	330,498
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,410	1,066
Cash paid for operating lease liabilities	4,129	4,737
Cash paid for interest	144
Supplemental noncash disclosure of cash flow information:
Unpaid purchases of property and equipment, capitalized website development, capitalized internal-use software and capitalized hosting arrangements	1,822	269
Receivable from sale of property and equipment	460
Unpaid withholding taxes on net share settlement of restricted stock units	3,590
Unpaid repurchases of common stock	1,030
Capitalized stock-based compensation expense in website development and internal-use software costs and hosting arrangements	1,145	1,206
Obtaining a right-of-use asset in exchange for an operating lease liability	144,556
Accretion of Redeemable Noncontrolling Interest to Redemption Value		82,000
Accrued tax (refunds from) distributions to redeemable noncontrolling interest holders	$ (4)	$ 4,168