CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Cash Flows [Abstract]
Net loss	$ (2,454)	$ (5,871)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,212	11,432
Stock-based compensation	9,111	7,059
Deferred income taxes	(4,667)	(4,327)
Accretion of discount on marketable securities	(1,234)	(1,057)
Non-cash operating lease expense	1,690	1,532
Other	(1)	(3)
Changes in operating assets and liabilities:
Accounts receivable	72,184	61,292
Prepaid expenses and other assets	(196)	894
Accounts payable	(58,444)	(55,387)
Accrued liabilities	(1,784)	(833)
Operating lease liabilities	(1,380)	(1,265)
Other liabilities, non-current	257	(712)
Net cash provided by operating activities	24,294	12,754
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(801)	(1,417)
Capitalized software development costs	(7,231)	(6,001)
Purchases of marketable securities	(34,336)	(40,343)
Proceeds from maturities of marketable securities	38,500	29,500
Net cash used in investing activities	(3,868)	(18,261)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of business combination indemnification claims holdback	(2,148)	0
Proceeds from exercise of stock options	939	314
Principal payments on finance lease obligations	(32)	(31)
Payments to acquire treasury stock	(17,500)	(7,898)
Net cash used in financing activities	(18,741)	(7,615)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,685	(13,122)
CASH AND CASH EQUIVALENTS - Beginning of period	78,509	92,382
CASH AND CASH EQUIVALENTS - End of period	80,194	79,260
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Income taxes paid	1,033	349
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION:
Stock-based compensation capitalized as internal-use software costs	710	547
Property and equipment included in accounts payable and accrued liabilities	148	1,311
Capitalized software costs included in accounts payable and accrued liabilities	917	820
Business combination purchase consideration - indemnification claims holdback	$ 0	$ 2,148