DEBT OBLIGATIONS - Debt Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Deferred mortgage costs	$ (1,160)	$ (1,451)
Total debt obligations	170,278	174,989
Mortgages
Debt Instrument [Line Items]
Debt, long-term and short-term debt, combined amount	134,038	139,040
Junior subordinated notes
Debt Instrument [Line Items]
Debt, long-term and short-term debt, combined amount	$ 37,400	$ 37,400