DEBT - Schedule of Future Principal Payments (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Future Principal Payments on Debt
2019 (Six months ending December 31, 2019)	$ 1,224
2020	2,515
2021	2,598
2022	2,684
2023	2,780
Thereafter	155,045
Total Debt	166,846
Mortgages Payable
Future Principal Payments on Debt
2019 (Six months ending December 31, 2019)	0
2020	0
2021	0
2022	0
2023	0
Thereafter	97,100
Total Debt	97,100
Secured Borrowings Principal
Future Principal Payments on Debt
2019 (Six months ending December 31, 2019)	281
2020	584
2021	616
2022	650
2023	686
Thereafter	12,487
Total Debt	15,304
Other Debt
Future Principal Payments on Debt
2019 (Six months ending December 31, 2019)	943
2020	1,931
2021	1,982
2022	2,034
2023	2,094
Thereafter	45,458
Total Debt	$ 54,442

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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