OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Intangible assets
Net	$ 17,199		$ 17,623
Intangible liabilities
Net	(1,426)		(3,576)
Future amortization of acquisition related intangible assets
Net	17,199		17,623
Future accretion of acquisition related intangible liabilities
Net	(1,426)		(3,576)
Acquired Below-Market Leases
Intangible liabilities
Gross balance	(6,719)		(18,893)
Accumulated amortization	5,293		15,317
Net	$ (1,426)		$ (3,576)
Average useful life (in years)	8 years		8 years
Future accretion of acquisition related intangible liabilities
2017 (Nine months ending December 31, 2017)	$ (709)
2018	(517)
2019	(200)
2020	0
2021	0
Thereafter	0
Net	(1,426)		$ (3,576)
Acquired Above-Market Leases
Intangible assets
Gross balance			215
Accumulated amortization			(180)
Net			$ 35
Average useful life (in years)			8 years
Amortization
Amortization of acquired above-market and below-market leases	3	$ 38
Future amortization of acquisition related intangible assets
Net			$ 35
Acquired In-Place Leases
Intangible assets
Gross balance	11,551		11,551
Accumulated amortization	(8,659)		(8,443)
Net	$ 2,892		$ 3,108
Average useful life (in years)	10 years		10 years
Amortization
Amortization expense	$ 216	380
Future amortization of acquisition related intangible assets
2017 (Nine months ending December 31, 2017)	655
2018	733
2019	464
2020	207
2021	207
Thereafter	626
Net	2,892		$ 3,108
Tax Abatement
Intangible assets
Gross balance	4,273		4,273
Accumulated amortization	(3,011)		(2,873)
Net	$ 1,262		$ 1,400
Average useful life (in years)	8 years		8 years
Amortization
Amortization expense	$ 138	138
Future amortization of acquisition related intangible assets
2017 (Nine months ending December 31, 2017)	413
2018	551
2019	298
2020	0
2021	0
Thereafter	0
Net	1,262		$ 1,400
Franchise Affiliation Fee
Amortization
Amortization expense	0	33
Acquired Below-Market Ground Lease
Intangible assets
Gross balance	11,685		11,685
Accumulated amortization	(1,597)		(1,562)
Net	$ 10,088		$ 10,123
Average useful life (in years)	84 years		84 years
Future amortization of acquisition related intangible assets
2017 (Nine months ending December 31, 2017)	$ 105
2018	140
2019	140
2020	140
2021	140
Thereafter	9,423
Net	10,088		$ 10,123
Trade Name and License
Intangible assets
Gross balance	2,957		2,957
Accumulated amortization	0		0
Net	2,957		2,957
Future amortization of acquisition related intangible assets
Net	2,957		$ 2,957
Rental and Other Property Operating Expenses | Acquired Below-Market Leases
Amortization
Amortization of acquired above-market and below-market leases	(35)	(35)
Rental and Other Property Income | Acquired Below-Market Leases
Amortization
Amortization of acquired above-market and below-market leases	$ (419)	$ (631)