DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other current assets:
Payroll tax escrow	$ 1,500	$ 1,500
Income tax receivable	2,000	1,600
Due from joint ventures	2,000	1,900
Other	2,700	2,300
Other current assets	8,225	7,349
Other assets:
Workers’ compensation deposits	200	400
Health insurance deposits	500	500
Other miscellaneous deposits	1,000	800
Indemnity receivable	13,600	14,200
Equity method investments	35,700	35,100
Other	3,600	3,100
Other assets	54,612	54,145
Accrued expenses:
Health insurance	15,800	12,400
Workers’ compensation	33,400	30,900
Florida ZPIC audit, gross liability	17,400	17,400
Legal settlements and other audits	19,000	13,000
Income tax payable	500	0
Charity care	2,700	1,700
Estimated Medicare cap liability	5,700	1,700
Hospice cost of revenue	24,400	9,900
Patient liability	9,400	6,300
Other	8,800	6,200
Accrued expenses	137,111	99,475
Other long-term obligations:
Reserve for uncertain tax positions	3,100	2,900
Deferred compensation plan liability	1,000	1,300
Other	1,800	2,000
Other long-term obligations	$ 5,905	$ 6,234