INVESTMENT IN UNCONSOLIDATED AND CONSOLIDATED JOINT VENTURES - Schedule of Condensed Statements of Operations and Balance Sheet Information of Consolidated and Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 29, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Statement of Operations
Equity in Earnings (Loss)		$ 1,938	$ 1,663	$ 3,455	$ 2,876
Non-cash tenant allowance amortization		300	300
Balance Sheet Information
Assets		572,944		572,944			$ 566,791
Equity (Deficit)		479,077	464,309	479,077	464,309	$ 477,052	477,594	$ 462,882	$ 456,511
Equity		38,350		38,350			41,891
Petro Travel Plaza Holdings, LLC
Statement of Operations
Equity in Earnings (Loss)		1,725	1,953	3,087	3,114
Balance Sheet Information
Equity		26,728		26,728			25,441
18-19 West, LLC
Statement of Operations
Equity in Earnings (Loss)		0	(24)	0	(24)
TRCC/Rock Outlet Center, LLC
Statement of Operations
Equity in Earnings (Loss)		(437)	(482)	(880)	(689)
Non-cash tenant allowance amortization				600	600
Balance Sheet Information
Equity		7,099		7,099			7,279
TRC-MRC 1, LLC
Statement of Operations
Equity in Earnings (Loss)		178	(12)	226	(3)
Balance Sheet Information
Equity		0		0			0
TRC-MRC 2, LLC
Statement of Operations
Equity in Earnings (Loss)		367	169	701	341
Balance Sheet Information
Equity		0		0			0
TRC-MRC 3, LLC
Statement of Operations
Equity in Earnings (Loss)		104	63	202	142
Balance Sheet Information
Equity		237		237			386
TRC-MRC 4, LLC
Statement of Operations
Equity in Earnings (Loss)		9	(4)	134	(5)
Balance Sheet Information
Equity		0		0			4,485
TRC-MRC 5, LLC
Statement of Operations
Equity in Earnings (Loss)		(8)	0	(15)	0
Balance Sheet Information
Equity		4,286		4,286			4,300
Petro Travel Plaza Holdings, LLC
Statement of Operations
Revenues		40,214	49,469	75,026	87,797
Earnings (Loss)		2,874	3,256	5,144	5,190
Balance Sheet Information
Assets		83,882		83,882			84,225
Debt		(12,937)		(12,937)			(13,318)
Equity (Deficit)		65,214		65,214			63,069
18-19 West, LLC
Statement of Operations
Revenues		0	0	0	0
Earnings (Loss)		0	(47)	0	(47)
TRCC/Rock Outlet Center, LLC
Statement of Operations
Revenues		1,563	1,376	2,994	2,940
Earnings (Loss)		(872)	(964)	(1,759)	(1,378)
Balance Sheet Information
Assets		58,347		58,347			59,196
Debt		(27,157)		(27,157)			(27,707)
Equity (Deficit)		30,325		30,325			30,684
TRC-MRC 1, LLC
Statement of Operations
Revenues		1,158	801	2,119	1,640
Earnings (Loss)		357	(25)	453	(6)
Balance Sheet Information
Assets		23,687		23,687			24,085
Debt		(22,470)		(22,470)			(22,787)
Equity (Deficit)		965		965			1,042
TRC-MRC 2, LLC
Statement of Operations
Revenues		1,431	1,031	2,821	2,056
Earnings (Loss)		734	338	1,401	682
Balance Sheet Information
Assets		18,450		18,450			18,398
Debt		(22,280)		(22,280)			(22,612)
Equity (Deficit)		(3,016)		(3,016)			(3,939)
TRC-MRC 3, LLC
Statement of Operations
Revenues		1,081	1,015	2,132	2,033
Earnings (Loss)		207	126	403	284
Balance Sheet Information
Assets		35,982		35,982			36,608
Debt		(34,066)		(34,066)			(34,494)
Equity (Deficit)		2,847		2,847			2,690
TRC-MRC 4, LLC
Statement of Operations
Revenues		1,759	0	3,535	0
Earnings (Loss)		18	(10)	269	(11)
Balance Sheet Information
Assets		51,840		51,840			50,497
Debt		(62,198)		(62,198)			(40,130)
Equity (Deficit)		11,169		11,169			8,974
TRC-MRC 5, LLC
Statement of Operations
Revenues		0	0	0	0
Earnings (Loss)	$ 3,012	(16)	0	(30)	0
Balance Sheet Information
Assets		20,289		20,289			8,602
Debt		(10,527)		(10,527)			0
Equity (Deficit)		8,570		8,570			0
Total
Statement of Operations
Revenues		47,206	53,692	88,627	96,466
Earnings (Loss)		3,302	2,674	5,881	4,714
Balance Sheet Information
Assets		292,477		292,477			281,611
Debt		(191,635)		(191,635)			(161,048)
Equity (Deficit)		116,074		116,074			102,520
Centennial
Statement of Operations
Revenues		0	203	175	324
Earnings (Loss)		(71)	$ 78	38	$ 175
Balance Sheet Information
Assets		103,866		103,866			102,984
Debt		0		0			0
Equity (Deficit)		$ 103,677		$ 103,677			$ 102,689