INVESTMENT IN UNCONSOLIDATED AND CONSOLIDATED JOINT VENTURES - Condensed Statements of Operations and Balance Sheet Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Statement of Operations
Non-cash tenant allowance amortization	$ 300	$ 300
Balance Sheet Information
Assets	552,028		$ 546,036
Equity	462,882	446,148	456,511	$ 445,331
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Statement of Operations
Revenues	42,774	27,931
Earnings (Loss)	2,040	(167)
Equity in Earnings (Loss)	1,213	(59)
Balance Sheet Information
Assets	260,064		263,667
Debt	(148,679)		(141,917)
Equity	100,412		110,034
TRC equity	37,348		43,418
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Petro Travel Plaza Holdings, LLC
Statement of Operations
Revenues	38,328	23,821
Earnings (Loss)	1,934	243
Equity in Earnings (Loss)	1,161	146
Balance Sheet Information
Assets	81,767		78,064
Debt	(14,657)		(14,848)
Equity	60,794		58,859
TRC equity	24,076		22,915
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Five West Parcel, LLC
Statement of Operations
Revenues	0	0
Earnings (Loss)	0	0
Equity in Earnings (Loss)	0	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees | 18-19 West, LLC
Statement of Operations
Revenues	0	2
Earnings (Loss)	0	(35)
Equity in Earnings (Loss)	0	(17)
Balance Sheet Information
Assets	430		14,965
Debt	0		0
Equity	430		14,895
TRC equity	0		6,877
Equity Method Investment, Nonconsolidated Investee or Group of Investees | TRCC/Rock Outlet Center, LLC
Statement of Operations
Revenues	1,564	1,275
Earnings (Loss)	(414)	(689)
Equity in Earnings (Loss)	(207)	(344)
Balance Sheet Information
Assets	61,445		61,927
Debt	(28,516)		(28,783)
Equity	31,909		32,323
TRC equity	7,891		8,098
Equity Method Investment, Nonconsolidated Investee or Group of Investees | TRC-MRC 1, LLC
Statement of Operations
Revenues	839	847
Earnings (Loss)	19	87
Equity in Earnings (Loss)	9	43
Balance Sheet Information
Assets	24,892		24,964
Debt	(23,250)		(23,400)
Equity	1,018		1,209
TRC equity	0		0
Equity Method Investment, Nonconsolidated Investee or Group of Investees | TRC-MRC 2, LLC
Statement of Operations
Revenues	1,025	1,015
Earnings (Loss)	344	336
Equity in Earnings (Loss)	172	168
Balance Sheet Information
Assets	20,800		20,497
Debt	(23,097)		(23,255)
Equity	(3,926)		(5,657)
TRC equity	0		0
Equity Method Investment, Nonconsolidated Investee or Group of Investees | TRC-MRC 3, LLC
Statement of Operations
Revenues	1,018	971
Earnings (Loss)	158	(109)
Equity in Earnings (Loss)	79	(55)
Balance Sheet Information
Assets	37,306		37,579
Debt	(35,120)		(35,324)
Equity	847		(914)
TRC equity	713		859
Equity Method Investment, Nonconsolidated Investee or Group of Investees | TRC-MRC 4 LLC
Statement of Operations
Revenues	0	0
Earnings (Loss)	(1)	0
Equity in Earnings (Loss)	(1)	0
Balance Sheet Information
Assets	33,424		25,671
Debt	(24,039)		(16,307)
Equity	9,340		9,319
TRC equity	4,668		4,669
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Centennial
Statement of Operations
Revenues	121	129
Earnings (Loss)	97	$ 111
Balance Sheet Information
Assets	101,789		101,178
Debt	0		0
Equity	$ 101,408		$ 100,261