Commitments And Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017 USD ($) property	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) agreement property	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) agreement
Loss Contingencies [Line Items]
Management fees incurred	$ 476	$ 434	$ 1,240	$ 1,285
Incentive management fee	$ 176	0	$ 209	21
Management agreement renewal additional term			1 year
Management agreement written notice of termination period			90 days
Number of hotels | property	19		19
Franchise costs	$ 1,082	856	$ 2,697	2,499
Number of land lease agreements related to properties owned | agreement			0
Lease expense	0	31	$ 9	84	$ 157
Number of new leases entered into during period | agreement					3
Office Building [Member]
Loss Contingencies [Line Items]
Lease expense	$ 39	$ 51	$ 116	$ 145
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
Lease expiration					Dec. 31, 2019
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
Lease expiration					Dec. 31, 2021
Wholly Owned Properties [Member]
Loss Contingencies [Line Items]
Number of hotels | property	18		18
Wholly Owned Properties [Member] | Franchise Rights [Member]
Loss Contingencies [Line Items]
Number of hotels | property	17		17