REVENUE RECOGNITION AND ACCOUNTS RECEIVABLE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue from Contract with Customer [Abstract]
COVID-19, Medicaid revenue from states	$ 4,516	$ 6,327	$ 13,775	$ 11,709
COVID-19, Hospice funds received	522	318	1,134	1,089
Disaggregation of Revenue [Line Items]
Total revenues	$ 115,736	$ 117,965	$ 340,366	$ 356,195
Total revenues, as a percent	100.00%	100.00%	100.00%	100.00%
Medicaid
Disaggregation of Revenue [Line Items]
Total revenues	$ 55,554	$ 55,844	$ 157,274	$ 164,335
Total revenues, as a percent	48.00%	47.30%	46.20%	46.10%
Medicare
Disaggregation of Revenue [Line Items]
Total revenues	$ 19,682	$ 24,374	$ 62,870	$ 67,470
Total revenues, as a percent	17.00%	20.70%	18.50%	18.90%
Managed Care
Disaggregation of Revenue [Line Items]
Total revenues	$ 13,033	$ 11,967	$ 38,804	$ 36,918
Total revenues, as a percent	11.30%	10.10%	11.40%	10.40%
Private Pay and other
Disaggregation of Revenue [Line Items]
Total revenues	$ 27,467	$ 25,780	$ 81,418	$ 87,472
Total revenues, as a percent	23.70%	21.90%	23.90%	24.60%