Relationships with Managers and Franchisors - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) hotel	Dec. 31, 2018 USD ($) hotel	Dec. 31, 2017 USD ($) hotel	Dec. 31, 2015 USD ($)
Real Estate Properties [Line Items]
Number of hotels that earned incentive management fees | hotel		8	9	10
Amortization		$ 396	$ 2,568	$ 5,760
Number of franchised hotels | hotel		14
Key Money
Real Estate Properties [Line Items]
Amortization		$ 400	$ 2,600	5,800
Key Money | Courtyard Manhattan / Midtown East mortgage loan
Real Estate Properties [Line Items]
Amortization				1,900
Key Money | Frenchman's Reef & Morning Star Beach Resort
Real Estate Properties [Line Items]
Amortization	$ 2,200			$ 2,600
Key Money | The Gwen Chicago
Real Estate Properties [Line Items]
Amortization					$ 3,000