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Investment in Hotel Properties - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Real Estate Properties [Line Items]      
Depreciation and amortization expense related to investment in hotel and other properties, excluding discontinued operations $ 74.6 $ 71.9 $ 77.9