INCOME TAXES (DTA AND DTL TABLE) (DETAILS) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets, gross
Accrued workers compensation, deferred compensation and employee benefits	$ 8,597	$ 11,212
Allowance for doubtful accounts, insurance and other accruals	2,197	3,348
Amortization of deferred rent liabilities	2,352	3,362
Net operating losses	17,887	20,253
Equity compensation	1,481	2,489
Customer acquisition and deferred revenue accruals	7,026	11,739
Federal and state tax credits, net	50	7,439
Depreciation and amortization	0	4,671
Unrealized losses on derivatives	3,137	13,815
DTA Contract Acquisition Costs	0	1,044
Other	1,557	2,331
Total deferred tax assets, gross	44,284	81,703
Valuation allowances	(9,526)	(9,949)	$ (10,139)	$ (10,721)
Deferred Tax Assets, Net of Valuation Allowance, Total	34,758	71,754
Deferred tax liabilities
Depreciation and amortization	(12,850)	0
Contract acquisition costs	(5,331)	0
Intangible Assets	(15,405)	(17,971)
Other	(446)	(357)
Total deferred tax liabilities	(34,032)	(18,328)
Deferred Tax Assets, Net, Total	$ 726	$ 53,426