Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (187,481)	$ (279,239)	$ (249,563)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	51,149	51,878	45,922
Stock-based compensation	242,881	298,992	259,159
Gain on extinguishment of debt			(10,000)
Deferred income taxes	11	(2,668)	(2,475)
Change in fair value of warrants and derivative liabilities		410	5,000
Change in the fair value of acquisition related liabilities	7,200	12,990	(1,823)
Others, net	2,015	(592)	1,868
Change in non-cash working capital (net of acquisitions):
Accounts receivable	(64,052)	(19,826)	(1,155)
Prepaid expenses	1,061	(270)	(3,067)
Other current assets	243	(214)	5,725
Other non-current assets	(1,526)	63	(592)
Deferred revenue	807	(4,566)	2,813
Accounts payable	26,262	13,530	(22,243)
Accrued expenses and other current liabilities	12,443	10,001	14,618
Other non-current liabilities	(490)	(2,003)	105
Net cash provided by operating activities	90,523	78,486	44,292
Cash flows from investing activities:
Capital expenditures	(20,483)	(22,232)	(9,482)
Website and software development costs	(15,487)	(17,004)	(17,274)
Acquisitions and other investments, net of cash acquired	(18,245)	(9,209)	(20,093)
Net cash used for investing activities	(54,215)	(48,445)	(46,849)
Cash flows from financing activities:
Cash paid for acquisition-related liabilities	(15,508)	(5,959)	(9,850)
Proceeds from credit facilities, net of issuance cost	11,250	5,625	183,311
Proceeds from initial public offering, net of issuance costs			126,538
Issuances under employee stock purchase plan	3,058	2,742	809
Exercise of options	241	199	137
Repurchase of shares	(13,443)	(9,607)	(64,468)
Repayments against the credit facilities	(11,250)	(5,625)	(180,745)
Net cash (used for) / provided by financing activities	(25,652)	(12,625)	55,732
Effect of exchange rate changes on cash and cash equivalents	(34)	(165)	(41)
Net increase in cash and cash equivalents	10,622	17,251	53,134
Cash and cash equivalents, beginning of period	121,110	103,859	50,725
Cash and cash equivalents, end of period	131,732	121,110	103,859
Supplemental cash flow disclosures including non-cash activities:
Cash paid for interest, net	10,481	5,673	7,004
Cash paid for income taxes, net	1,900	1,611	1,758
Liability established in connection with acquisitions	8,189	20,529	10,185
Capitalized stock-based compensation as website and software development	3,790	5,394	10,196
Shares issued in connection with acquisitions and other agreements	5,387	19,005	29,650
Dividends on redeemable convertible preferred stock settled in Company's equity			60,082
Non-cash settlement of warrants and derivative liabilities		410	63,100
Right-to-use asset established	165	9,559
Operating lease liabilities established	165	12,050
Non-cash consideration for website and software development	$ 963	$ 1,654	$ 1,551