Number Of Real Estate Properties To Be Sold Or Rebranded

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Number Of States In Which Property Is Located

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Number of Real Estate Properties To Be Sold Or Rebranded

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Real Estate Investment Property And Real Estate Held-For-Sale, At Cost

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Fair value portion of assets classified as held for sale.

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Amount of assets held-for-sale that are not part of a disposal group.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Cost of the investment.

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Balance held at close of period in number of shares.

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Amount of unrealized gain (loss) on investment in marketable security.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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Fair Value of Assets and Liabilities - Recurring and Non-Recurring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) hotel property state shares	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) property state shares
Fair Value of Assets and Liabilities
Carrying Value	$ 13,805		$ 13,543
Carrying value of properties held for sale	13,805
Aggregate undepreciated carrying value of real estate	11,204,220
Loss on asset impairment	1,211	$ 16,740
Number of properties to be sold or rebranded \| property			5
Held-for-sale
Fair Value of Assets and Liabilities
Loss on asset impairment	1,211
Travel Centers of America
Fair Value of Assets and Liabilities
Unrealized gain (loss) on equity securities	$ (6,481)
Hotel
Fair Value of Assets and Liabilities
Number of properties to be sold or rebranded \| hotel	5
Carrying value of properties held for sale	$ 10,699		$ 10,699
Hotel \| Held-for-sale
Fair Value of Assets and Liabilities
Number of states in which property is located \| state	4		4
Aggregate undepreciated carrying value of real estate	$ 10,699
Number of properties to be sold or rebranded \| hotel	5
Net Lease Property
Fair Value of Assets and Liabilities
Number of properties to be sold or rebranded \| property	6		6
Number of properties to be sold or rebranded \| property	6
Net Lease Property \| Held-for-sale
Fair Value of Assets and Liabilities
Number of states in which property is located \| state	4		6
Aggregate undepreciated carrying value of real estate	$ 3,106		$ 2,844
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Travel Centers of America
Fair Value of Assets and Liabilities
Shares included in investment securities (in shares) \| shares	1,184,797		1,184,797
Historical cost of securities	$ 24,418		$ 24,418
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Travel Centers of America \| Carrying Value
Fair Value of Assets and Liabilities
Carrying Value	32,143		38,624
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Travel Centers of America \| Fair Value
Fair Value of Assets and Liabilities
Fair Value	32,144		38,624
Non-recurring \| Significant Other Observable Inputs (Level 2) \| Held-for-sale \| Carrying Value
Fair Value of Assets and Liabilities
Carrying Value	13,805		13,543
Non-recurring \| Significant Other Observable Inputs (Level 2) \| Held-for-sale \| Fair Value
Fair Value of Assets and Liabilities
Fair Value	$ 13,805		$ 13,543