Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash	$ 124,763	$ 168,895
Accounts receivable, net of allowances	136,808	136,955
Prepaid expenses and other current assets	14,658	18,491
Total current assets	276,229	324,341
Property and equipment, net of accumulated depreciation and amortization	19,073	18,483
Other assets
Goodwill	574,086	504,392
Intangibles, net of accumulated amortization	76,300	64,321
Operating lease assets, net	41,523	36,048
Total other assets	691,909	604,761
Total assets	987,211	947,585
Current liabilities
Accounts payable	21,004	19,358
Accrued payroll	27,720	44,083
Accrued expenses	38,820	37,077
Government stimulus advances	4,173	4,173
Accrued workers' compensation insurance	12,640	12,998
Total current liabilities	104,357	117,689
Long-term liabilities
Long-term debt, less current portion, net of debt issuance costs	256,127	220,912
Long-term operating lease liabilities	39,049	32,859
Other long-term liabilities	1,900	1,781
Total long-term liabilities	297,076	255,552
Total liabilities	401,433	373,241
Stockholders' equity
Common stock—$.001 par value; 40,000 authorized and 16,068 and 15,940 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	16	16
Additional paid-in capital	383,001	380,037
Retained earnings	202,761	194,291
Total stockholders' equity	585,778	574,344
Total liabilities and stockholders' equity	$ 987,211	$ 947,585