CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 510,869	$ 575,812
Restricted cash	53,329	46,929
Marketable securities	30,781	31,791
Accounts receivable, net	685,857	513,306
Prepaid insurance	52,939	11,285
Other current assets	71,186	53,312
Income taxes receivable	5,684	12,413
Total current assets	1,410,645	1,244,848
Property and equipment, net of accumulated depreciation	199,322	210,723
Right-of-use (“ROU”) leased assets	59,149	62,830
Prepaid health insurance	9,000	9,000
Deposits – health insurance	7,900	7,900
Deposits – workers’ compensation	166,077	185,027
Goodwill and other intangible assets, net	12,707	12,707
Deferred income taxes, net	0	4,892
Other assets	28,106	15,158
Total assets	1,892,906	1,753,085
Current liabilities:
Accounts payable	6,034	6,412
Payroll taxes and other payroll deductions payable	303,645	467,892
Accrued worksite employee payroll cost	662,762	409,653
Accrued health insurance costs	62,643	50,001
Accrued workers’ compensation costs	58,142	50,534
Accrued corporate payroll and commissions	69,775	74,778
Other accrued liabilities	83,599	69,303
Total current liabilities	1,246,600	1,128,573
Noncurrent liabilities:
Accrued workers’ compensation costs	173,686	192,694
Long-term debt	369,400	369,400
Operating lease liabilities, net of current	58,916	64,192
Deferred income taxes, net	9,172	0
Total noncurrent liabilities	611,174	626,286
Commitments and contingencies
Stockholders’ equity:
Common stock	555	555
Additional paid-in capital	125,622	109,179
Treasury stock, at cost	(709,810)	(665,089)
Retained earnings	618,765	553,581
Total stockholders’ equity	35,132	(1,774)
Total liabilities and stockholders’ equity	$ 1,892,906	$ 1,753,085