SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 3,049	$ 66,196
Cash Balance Associated with Provider Relief Fund	103,000
Asana Hospice Aquisition [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,500
COVID-19 PPE [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	500
AseraCare Hospice [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 1,000