DEBT - Schedule of Future Principal Payments (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Future Principal Payments on Debt
2018 (Three months ending December 31, 2018)	$ 948
2019	3,185
2020	3,287
2021	3,392
2022	174,187
Thereafter	483,153
Total Debt	668,152
Mortgages Payable
Future Principal Payments on Debt
2018 (Three months ending December 31, 2018)	0
2019	0
2020	0
2021	0
2022	679
Thereafter	415,621
Total Debt	416,300
Secured Borrowings Principal
Future Principal Payments on Debt
2018 (Three months ending December 31, 2018)	346
2019	719
2020	755
2021	794
2022	834
Thereafter	16,373
Total Debt	19,821
Other Debt
Future Principal Payments on Debt
2018 (Three months ending December 31, 2018)	602
2019	2,466
2020	2,532
2021	2,598
2022	172,674
Thereafter	51,159
Total Debt	$ 232,031

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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-Name Accounting Standards Codification
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