Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net loss	$ (279,239)	$ (249,563)	$ (53,225)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	51,878	45,922	40,064
Stock-based compensation	298,992	259,159	105
Gain on extinguishment of debt		(10,000)
Deferred income taxes	(2,668)	(2,475)	(98)
Change in fair value of warrants and derivative liabilities	410	5,000	28,100
Change in the fair value of acquisition related liabilities	12,990	(1,823)	299
Others, net	(592)	1,868	3,881
Change in non-cash working capital (net of acquisitions):
Accounts receivable	(19,826)	(1,155)	24,347
Prepaid expenses	(270)	(3,067)	(551)
Other current assets	(214)	5,725	632
Other non-current assets	63	(592)	1,479
Deferred revenue	(4,566)	2,813	2,402
Accounts payable	13,530	(22,243)	4,443
Accrued expenses and other current liabilities	10,001	14,618	(15,491)
Other non-current liabilities	(2,003)	105	(848)
Net cash provided by operating activities	78,486	44,292	35,539
Cash flows from investing activities:
Capital expenditures	(22,232)	(9,482)	(2,249)
Website and software development costs	(17,004)	(17,274)	(22,958)
Business and asset acquisitions, net of cash acquired	(9,209)	(20,093)
Net cash used for investing activities	(48,445)	(46,849)	(25,207)
Cash flows from financing activities:
Cash paid for acquisition-related liabilities	(5,959)	(9,850)	(717)
Proceeds from pay-check protection program loan			10,000
Proceeds from credit facilities, net of issuance cost	5,625	183,311
Proceeds from initial public offering, net of issuance costs		126,538
Repurchase of shares	(9,607)	(64,468)
Proceeds from employees' stock purchase plan	2,742	809
Exercise of warrants and options	199	137
Repayments against the credit facilities	(5,625)	(180,745)	(6,500)
Net cash (used for) / provided by financing activities	(12,625)	55,732	2,783
Effect of exchange rate changes on cash and cash equivalents	(165)	(41)	(208)
Net increase in cash and cash equivalents, including restricted cash	17,251	53,134	12,907
Cash and cash equivalents and restricted cash, beginning of period	103,859	50,725	37,818
Cash and cash equivalents and restricted cash, end of period	121,110	103,859	50,725
Supplemental cash flow disclosures including non-cash activities:
Cash paid for interest, net	5,673	7,004	13,070
Cash paid for income taxes, net	1,611	1,758	1,296
Liability established in connection with acquisitions	20,529	10,185
Capitalized stock-based compensation as website and software development costs	5,394	10,196
Shares issued in connection with acquisitions and other agreements	19,005	29,650	424
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	9,559
Operating lease liabilities established	12,050
Non-cash consideration for website and software development costs	$ 1,654	$ 1,551	$ 1,110