DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other current assets:
Payroll tax escrow	$ 1,500	$ 7,200
Income tax receivable	1,600	3,400
Due from joint ventures	1,900	2,000
Other	2,300	3,700
Other current assets	7,349	16,268
Other assets:
Workers’ compensation deposits	400	400
Health insurance deposits	500	500
Other miscellaneous deposits	800	900
Indemnity receivable	14,200	17,000
Equity method investments	35,100	26,400
Other	3,100	3,900
Other assets	54,145	49,130
Accrued expenses:
Health insurance	12,400	14,100
Workers’ compensation	30,900	29,300
Florida ZPIC audit, gross liability	17,400	17,400
Legal settlements and other audits	13,000	6,400
Lease liability	300	900
Charity care	1,700	1,500
Estimated Medicare cap liability	1,700	900
Hospice cost of revenue	9,900	9,100
Patient liability	6,300	5,300
Other	5,900	4,200
Accrued expenses	99,475	89,104
Other long-term obligations:
Reserve for uncertain tax positions	2,900	0
Deferred compensation plan liability	1,300	1,900
Other	2,000	1,900
Other long-term obligations	$ 6,234	$ 3,791