Commitments and Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($) agreement	Mar. 31, 2019 USD ($)	Dec. 31, 2019 property	Dec. 31, 2016 agreement
Loss Contingencies [Line Items]
Management fees incurred	$ 396	$ 474
Incentive management fee	$ 0	44
Management agreement renewal additional term	1 year
Management agreement written notice of termination period	90 days
Cost of goods and services sold	$ 9,815	9,793
Office Building [Member]
Loss Contingencies [Line Items]
Number of new leases entered into during period | agreement				3
Lease expense	$ 13	39
Minimum [Member]
Loss Contingencies [Line Items]
Management fee percent	3.00%
Management agreement term	1 year
Franchise fee percent	3.30%
Other franchiser programs and service fee percent	2.50%
Franchise agreement term	10 years
Maximum [Member]
Loss Contingencies [Line Items]
Management fee percent	3.50%
Incentive fee percent	5.00%
Management agreement term	3 years
Franchise fee percent	5.50%
Other franchiser programs and service fee percent	6.00%
Franchise agreement term	25 years
Land [Member]
Loss Contingencies [Line Items]
Number of land lease agreements related to properties owned | agreement	0
Franchise [Member]
Loss Contingencies [Line Items]
Cost of goods and services sold	$ 982	$ 1,227
Number of hotels that dropped below required level of guest satisfaction | property			2