CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 576,654	$ 575,812
Restricted cash	49,429	46,929
Marketable securities	32,610	31,791
Accounts receivable, net	670,223	513,306
Prepaid insurance	22,716	11,285
Other current assets	80,282	53,312
Income taxes receivable	0	12,413
Total current assets	1,431,914	1,244,848
Property and equipment, net of accumulated depreciation	205,064	210,723
Right-of-use (“ROU”) leased assets	61,629	62,830
Prepaid health insurance	9,000	9,000
Deposits – health insurance	7,900	7,900
Deposits – workers’ compensation	190,756	185,027
Goodwill and other intangible assets, net	12,707	12,707
Deferred income taxes, net	0	4,892
Other assets	21,107	15,158
Total assets	1,940,077	1,753,085
Current liabilities:
Accounts payable	7,826	6,412
Payroll taxes and other payroll deductions payable	384,767	467,892
Accrued worksite employee payroll cost	645,623	409,653
Accrued health insurance costs	61,399	50,001
Accrued workers’ compensation costs	53,290	50,534
Accrued corporate payroll and commissions	43,279	74,778
Other accrued liabilities	86,627	69,303
Income taxes payable	3,784	0
Total current liabilities	1,286,595	1,128,573
Noncurrent liabilities:
Accrued workers’ compensation costs	182,888	192,694
Long-term debt	369,400	369,400
Operating lease liabilities, net of current	62,119	64,192
Deferred income taxes, net	5,114	0
Total noncurrent liabilities	619,521	626,286
Commitments and contingencies
Stockholders’ equity:
Common stock	555	555
Additional paid-in capital	110,053	109,179
Treasury stock, at cost	(681,625)	(665,089)
Retained earnings	604,978	553,581
Total stockholders’ equity	33,961	(1,774)
Total liabilities and stockholders’ equity	$ 1,940,077	$ 1,753,085