Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 19,992	$ 15,708
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	14,838	13,989
Amortization of deferred costs	692	277
Stock-based compensation expense	16,618	10,112
Non-cash operating lease expense	3,496	3,385
Deferred income taxes	(665)	(2,900)
Loss on disposal of property and equipment	503	22
Non-cash interest expense	175	175
Gain on sale of business	(10,511)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(440)	(3,850)
Accounts receivable, net	(1,102)	(2,106)
Unbilled receivables	(1,880)	(2,281)
Other assets	(1,735)	(1,382)
Accounts payable	362	(1,253)
Accrued expenses and other current liabilities	4,862	7,227
Deferred revenue	1,019	1,080
Operating lease liabilities	(3,886)	(4,115)
Other long-term liabilities	89	26
Net cash provided by operating activities	42,427	34,114
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(11,782)
Proceeds from sale of business, net of cash sold	30,027
Purchases of property and equipment, including costs capitalized for development of internal-use software	(7,069)	(4,759)
Net cash provided by (used in) investing activities	11,176	(4,759)
Cash flows from financing activities:
Payment of debt issuance costs		(23)
Payments of contingent consideration		(1,066)
Proceeds from exercise of stock based options	3,844	11,187
Payments of taxes related to net share settlement of equity awards	(4,174)	(468)
Proceeds from issuance of common stock under employee stock purchase plan	981	463
Payment of initial public offering costs		(286)
Net cash provided by financing activities	651	9,807
Net increase in cash, cash equivalents and restricted cash	54,254	39,162
Cash, cash equivalents and restricted cash at beginning of period	312,080	254,594
Cash, cash equivalents and restricted cash at end of period	366,334	293,756
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	366,034	293,456
Restricted cash within other assets	$ 300	$ 300
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Total cash, cash equivalents, and restricted cash	$ 366,334	$ 293,756
Supplemental cash flow information:
Cash paid for interest	186	181
Cash paid for taxes	19,411	4,330
Cash paid for amounts included in the measurement of operating lease liabilities	4,406	4,246
Supplemental disclosure of non-cash transactions:
Additions to property and equipment included in accounts payable and accrued expenses	168	189
Right of use assets obtained in exchange for new operating lease liabilities	609	$ 31,409
Fair value of contingent consideration recorded in purchase accounting	$ 1,475