Investment in Unconsolidated and Consolidated Joint Ventures - Additional Information (Details)			1 Months Ended						3 Months Ended		12 Months Ended
		Apr. 01, 2019 USD ($)	Dec. 31, 2019 USD ($) a ft²	Nov. 30, 2019 USD ($)	Apr. 30, 2019 USD ($) ft²	Nov. 30, 2018 ft²	Sep. 30, 2016 ft²	Aug. 31, 2016 USD ($) ft²	Dec. 31, 2019 USD ($) a ft²	Jun. 30, 2013 USD ($) ft² member	Dec. 31, 2019 USD ($) a ft² joint_venture	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 01, 2018 USD ($)	Nov. 30, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures			$ 38,240,000						$ 38,240,000		$ 38,240,000	$ 28,602,000
Equity in earnings (losses)											16,575,000	3,834,000	$ 4,227,000
Contribution of property	[1]										8,658,000	0	$ 1,339,000
Equity method investment			$ 38,240,000						$ 38,240,000		$ 38,240,000	28,602,000
Area of land | a			270,000						270,000		270,000
Borrowings			$ 131,254,000						$ 131,254,000		$ 131,254,000	121,326,000
Centennial Founders, LLC
Schedule of Equity Method Investments [Line Items]
Reduction of noncontrolling interest in joint venture			$ 13,172,000						$ 13,172,000		$ 13,172,000				$ 11,039,000
Consolidated joint venture, ownership interest			92.57%						92.57%		92.57%
Petro Travel Plaza Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Unconsolidated joint ventures, voting rights											50.00%
Ownership percentage			60.00%						60.00%		60.00%
Investment in unconsolidated joint ventures			$ 23,636,000						$ 23,636,000		$ 23,636,000
Equity method investment			23,636,000						23,636,000		23,636,000	18,426,000
Borrowings			15,287,000						15,287,000		15,287,000	15,283,000
TRCC-East
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures			$ 2,000,000						$ 2,000,000		$ 2,000,000
Area of Real Estate Property | ft²			4,900						4,900		4,900
Contribution of property			$ 2,805,000
Gross profit			334,000
Deferred gain on sale			501,000
Number of acres for development | ft²										326,000
Area of building owned and leased | ft²							480,480
Excess distributions resulting in deficit balance			462,000						$ 462,000		$ 462,000
Majestic Realty Co.
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures								$ 24,773,000
Investment in unconsolidated joint ventures			5,953,000						5,953,000		$ 5,953,000
Number of joint venture contracts | joint_venture											3
Area of building owned and leased | ft²								651,909
TRC-MRC 3, LLC
Schedule of Equity Method Investments [Line Items]
Gross profit		$ 1,537,000			$ 1,500,000
Deferred gain on sale		1,537,000			$ 1,500,000
Equity method investment			5,953,000						$ 5,953,000		$ 5,953,000	0
Number of acres for development | ft²					579,040	579,040
Percentage of rentable space occupied									67.00%
Borrowings			28,061,000						$ 28,061,000		28,061,000	0
TRC-MRC 3, LLC | Land
Schedule of Equity Method Investments [Line Items]
Contribution of property		$ 5,854,000			$ 5,900,000
TRC-MRC 2, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment			0						0		0	0
Borrowings			24,455,000						24,455,000		24,455,000	25,014,000
Face amount														$ 25,240,000
Excess distributions resulting in deficit balance			2,471,000						2,471,000		2,471,000
TRC-MRC 1, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment			0						0		0	0
Borrowings			24,542,000						24,542,000		24,542,000	25,030,000
Borrowings under joint venture												25,030,000
Rockefeller Joint Ventures
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated joint ventures			$ 8,651,000						$ 8,651,000		$ 8,651,000
Number of joint venture contracts | joint_venture											3
Number of acres for development | a											91
Area of land | a			500						500		500
Rockefeller Joint Ventures | Building Improvements
Schedule of Equity Method Investments [Line Items]
Number of joint venture contracts | joint_venture											2
Five West Parcel, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage			50.00%						50.00%		50.00%
Equity method investment			$ 140,000						$ 140,000		$ 140,000	2,691,000
Borrowings			$ 0						$ 0		$ 0	9,173,000
Area of building owned and leased | ft²											606,000
Purchase of assets				$ 29,088,000
Gain (Loss) on sale of properties				$ 17,537,000
18-19 West, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage			50.00%						50.00%		50.00%
Equity method investment			$ 1,730,000						$ 1,730,000		$ 1,730,000	1,783,000
Borrowings			0						0		$ 0	0
Number of acres for development | a											61.5
TRCC/Rock Outlet Center, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures										$ 87,000,000
Equity method investment			6,781,000						6,781,000		$ 6,781,000	5,702,000
Borrowings			$ 38,909,000						$ 38,909,000		$ 38,909,000	$ 46,826,000
Construction loan percent of costs										60.00%
Equity contributions										40.00%
Number of members | member										2

[1] In April 2019, the Company contributed land with a fair value of $5.9 million to TRC-MRC 3, LLC, an unconsolidated joint venture formed to pursue the development, construction, leasing, and management of a 579,040 square foot industrial building on the Company's property at TRCC-East. The total cost of the land, inclusive of transaction costs was $2.8 million. The Company recognized $1.5 million in profit and deferred $1.5 million after applying the five-step revenue recognition model in accordance with Accounting Standards Codification (ASC) Topic 606 — Revenue From Contracts With Customers and ASC Topic 323, Investments — Equity Method and Joint Ventures. In December 2019, the Company contributed a newly constructed commercial multi-tenant building and underlying land with an aggregate fair value of $2.8 million to TA/Petro, an unconsolidated joint venture. The total cost of the building construction and land was $2.0 million. The Company recognized $0.3 million in profit and deferred $0.5 million after applying the five-step revenue recognition model in accordance with Accounting Standards Codification (ASC) Topic 606 — Revenue From Contracts With Customers and ASC Topic 323, Investments — Equity Method and Joint Ventures. Historically, cash outflows related to land development expenditures were accounted for within investing activities. For consistency, the Company will continue to classify cash outflows and cash inflows related to land development as investing activities.