LONG-TERM DEBT - (Schedule of Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt maturities	$ 98,522	$ 44,404
Senior Unsecured Floating Rate Notes, Due December 31, 2027 [Member]
Debt Instrument [Line Items]
Deferred financing costs	0	1,478
Senior Unsecured Fixed Rate Notes, Due July 1, 2022
Debt Instrument [Line Items]
Deferred financing costs	0	348
Other Consolidated Debt from VIE, Due March 17, 2021 [Member]
Debt Instrument [Line Items]
Deferred financing costs	248	0
Unsecured Debt | Senior Unsecured Floating Rate Notes, Due December 31, 2027 [Member]
Debt Instrument [Line Items]
Total debt maturities	98,522	0
Unsecured Debt | Senior Unsecured Fixed Rate Notes, Due July 1, 2022
Debt Instrument [Line Items]
Total debt maturities	0	24,652
Other debt [Member] | Other Consolidated Debt from VIE, Due March 17, 2021 [Member]
Debt Instrument [Line Items]
Total debt maturities	$ 0	$ 19,752