DEBT - Future Principal Payments (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Debt Instrument [Line Items]
2021 (Six months ending December 31, 2021)	$ 2,254
2022	110,727
2023	4,019
2024	4,174
2025	3,858
Thereafter	138,563
Total Debt	263,595
Mortgage Payable
Debt Instrument [Line Items]
2021 (Six months ending December 31, 2021)	0
2022	0
2023	0
2024	0
2025	0
Thereafter	97,100
Total Debt	97,100
Secured Borrowings Principal
Debt Instrument [Line Items]
2021 (Six months ending December 31, 2021)	471
2022	431
2023	444
2024	458
2025	472
Thereafter	5,890
Total Debt	8,166
2018 Revolving Credit Facility
Debt Instrument [Line Items]
2021 (Six months ending December 31, 2021)	0
2022	107,000
2023	0
2024	0
2025	0
Thereafter	0
Total Debt	107,000
Other
Debt Instrument [Line Items]
2021 (Six months ending December 31, 2021)	1,783
2022	3,296
2023	3,575
2024	3,716
2025	3,386
Thereafter	35,573
Total Debt	$ 51,329

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