CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 184,004	$ 166,178
Restricted cash and cash equivalents	14,569	14,557
Prepaid income taxes	42,381	4,105
Prepaid expenses	10,784	8,579
Other current assets	2,145	1,359
Worksite employee related assets	1,281,471	1,373,386
Total current assets	1,535,354	1,568,164
Workers' compensation collateral receivable	31,883	29,204
Restricted cash, cash equivalents and investments	130,501	101,806
Property and equipment, net	58,622	37,844
Goodwill	289,207	289,207
Other intangible assets, net	31,074	46,772
Other assets	18,502	19,452
Total assets	2,095,143	2,092,449
Current liabilities:
Accounts payable	22,541	12,904
Accrued corporate wages	30,937	28,963
Notes and capital leases payable, net	36,559	32,970
Other current liabilities	12,551	11,402
Worksite employee related liabilities	1,275,995	1,369,497
Total current liabilities	1,378,583	1,455,736
Notes and capital leases payables, net, noncurrent	422,495	460,965
Workers' compensation loss reserves (net of collateral paid $22,377 and $15,129 at December 31, 2016 and 2015, respectively)	159,301	105,481
Deferred income taxes	92,373	54,641
Other liabilities	7,801	7,545
Total liabilities	2,060,553	2,084,368
Commitments and contingencies (see Note 13)
Stockholders’ equity:
Preferred stock ($0.000025 par value per share; 20,000,000 shares authorized; no shares issued and outstanding at December 31, 2016 and 2015)	0	0
Common stock and additional paid-in capital ($0.000025 par value per share; 750,000,000 shares authorized; 69,015,690 and 70,371,425 shares issued and outstanding at December 31, 2016 and 2015, respectively)	535,132	494,397
Accumulated deficit	(499,938)	(485,595)
Accumulated other comprehensive loss	(604)	(721)
Total stockholders’ equity	34,590	8,081
Total liabilities and stockholders’ equity	$ 2,095,143	$ 2,092,449