Commitments And Contingencies And Related Party Transactions (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Management Agreements [Abstract]
Term of management agreements with HHMLP			5 years
Base management fee as percentage of gross revenues (in hundredths)			3.00%
Base management fees incurred	$ 3,650,000	$ 3,385,000	$ 10,208,000	$ 9,994,000
Incentive management fees incurred	0	0	$ 0	0
Franchise Agreements [Abstract]
Terms of franchise agreements, minimum			10 years
Terms of franchise agreements, maximum			20 years
Franchise fee expense	6,385,000	6,252,000	$ 17,937,000	18,899,000
Accounting and Information Technology Fees [Abstract]
Monthly fees for accounting services per property for hotels managed by HHMLP, minimum			2,000
Monthly fees for accounting services per property for hotels managed by HHMLP, maximum			3,000
Monthly information technology fees per property for hotels managed by HHMLP, minimum			1,000
Monthly information technology fees per property for hotels managed by HHMLP, maximum			2,000
Accounting fees	326,000	341,000	998,000	1,088,000
Information technology fees	107,000	115,000	$ 329,000	346,000
Capital Expenditure Fees [Abstract]
Fee on all capital expenditures and pending renovation projects at the properties (in hundredths)			5.00%
Fees incurred on capital expenditures	140,000	307,000	$ 781,000	1,036,000
Acquisitions From Affiliates [Abstract]
Period of right of first refusal per option agreement with officers and affiliated trustees after termination			1 year
Hotel Supplies [Abstract]
Hotel supplies	45,000	41,000	$ 126,000	101,000
Charges for capital expenditure purchases	651,000	613,000	1,512,000	1,927,000
Capital expenditures included in accounts payable			8,000		$ 1,000
Due From Related Parties [Abstract]
Due from related parties	4,708,000		4,708,000		$ 18,332,000
Due to Related Parties [Abstract]
Due to related parties	0		0
Hotel Ground Rent [Abstract]
Rent expense related to ground leases	$ 892,000	$ 891,000	$ 2,593,000	$ 2,676,000