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Summary of Significant Accounting Policies - Narrative (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) Hotel | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Proceeds from insurance settlement, property and business interruption |  | $ 85,000,000 | $ 10,000,000 |  |
Gain on business interruption insurance |  | 19,379,000 | 4,051,000 | $ 0 |
Estimated recovery of impairment losses from insurance |  | 0 | 40,784,000 | 0 |
Insured event, gain |  | $ 1,724,000 | 0 | $ 0 |
Number of properties acquired | Hotel |  | 3 |  |  |
Income Tax Uncertainties [Abstract] |  |  |  |  |
Unrecognized tax benefits |  | $ 0 | 0 |  |
Assets |  | 3,197,580,000 | 3,100,858,000 |  |
Liabilities |  | $ 1,306,987,000 | 1,267,213,000 |  |
Minimum | Buildings, Land Improvements, and Building Improvements |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  | 5 years |  |  |
Minimum | Furniture, Fixtures and Equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  | 1 year |  |  |
Maximum | Buildings, Land Improvements, and Building Improvements |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  | 40 years |  |  |
Maximum | Furniture, Fixtures and Equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  | 10 years |  |  |
Havana Cabana Key West |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Proceeds from insurance settlement, property and business interruption | $ 8,300,000 |  |  |  |
Gain on business interruption insurance |  | $ 2,137,000 | 923,000 |  |
Insured event, gain |  | 1,700,000 |  |  |
The Lodge at Sonoma |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Proceeds from insurance settlement, business interruption | $ 1,300,000 |  |  |  |
Gain on business interruption insurance |  | $ 1,152,000 | $ 0 |  |
Subsequent Event | Scenario, Forecast | Accounting Standards Update 2016-02 | Minimum |  |  |  |  |
Income Tax Uncertainties [Abstract] |  |  |  |  |
Assets |  |  |  |  | $ 95,000,000
Liabilities |  |  |  |  | 95,000,000
Subsequent Event | Scenario, Forecast | Accounting Standards Update 2016-02 | Maximum |  |  |  |  |
Income Tax Uncertainties [Abstract] |  |  |  |  |
Assets |  |  |  |  | 125,000,000
Liabilities |  |  |  |  | $ 125,000,000

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