UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 356,318	$ 389,190	$ 708,207	$ 795,187
Direct costs	257,345	278,924	513,984	570,945
Gross profit	98,973	110,266	194,223	224,242
Selling, general and administrative expenses	77,718	82,993	155,908	172,332
Depreciation and amortization	1,555	1,340	2,888	2,574
Income from operations	19,700	25,933	35,427	49,336
Other expense, net	504	313	1,160	1,358
Income from operations, before income taxes	19,196	25,620	34,267	47,978
Income tax expense	5,039	7,046	9,123	13,194
Net income	$ 14,157	$ 18,574	$ 25,144	$ 34,784
Earnings per share – basic (in dollars per share)	$ 0.76	$ 0.96	$ 1.34	$ 1.79
Earnings per share - diluted (in dollars per share)	$ 0.75	$ 0.95	$ 1.33	$ 1.77
Weighted average shares outstanding – basic (in shares)	18,696	19,341	18,711	19,398
Weighted average shares outstanding – diluted (in shares)	18,886	19,611	18,903	19,638