Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 12,675	$ 8,470
Adjustments to reconcile net income to net cash provided by (used in) operating activities, net of acquisitions:
Depreciation and amortization	3,447	3,521
Deferred income taxes	(72)	126
Stock-based compensation	2,646	2,485
Amortization of debt issuance costs under the credit facility	215	215
Provision for credit losses	144	158
Impairment of operating lease assets	0	1,174
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	85	7,121
Prepaid expenses and other current assets	7,030	4,161
Government stimulus advances	(2,345)	(0)
Accounts payable	(494)	1,386
Accrued payroll	(10,901)	(17,443)
Accrued expenses and other long-term liabilities	6,369	(5,391)
Net cash provided by operating activities	18,799	5,983
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(965)	(84,490)
Purchases of property and equipment	(777)	(1,104)
Net cash used in investing activities	(1,742)	(85,594)
Cash flows from financing activities:
Payments on term loan — credit facility	(23,500)
Borrowings on revolver - credit facility	0	35,000
Cash received from exercise of stock options	25	479
Net cash (used in) provided by financing activities	(23,475)	35,479
Net change in cash	(6,418)	(44,132)
Cash, at beginning of period	79,961	168,895
Cash, at end of period	73,543	124,763
Supplemental disclosures of cash flow information:
Cash paid for interest	$ 2,310	$ 1,619