Fair Value Measurements And Derivative Instruments (Fair Value Of Interest Rate Swaps And Caps) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Sep. 03, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Estimated Fair Value	$ 175,000		$ 4,678,000
Interest Rate Cap [Member] | Hyatt Union Square, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Index: Basis spread on variable rate basis (in hundredths)	2.30%
Interest Rate Cap [Member] | Annapolis Waterfront Hotel, MD [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	3.35%
Index: Basis spread on variable rate basis (in hundredths)	2.65%
Effective Date	May 01, 2018
Derivative Contract Maturity Date	May 01, 2021
Notional Amount	$ 28,000,000
Estimated Fair Value	$ 0		22,000
Interest Rate Swap [Member] | Third Term Loan [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.011%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Nov. 03, 2016
Derivative Contract Maturity Date	Oct. 03, 2019
Notional Amount	$ 150,000,000
Estimated Fair Value	$ 0		1,741,000
Interest Rate Swap [Member] | Second Term Loan [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	2.654%
Index: Basis spread on variable rate basis (in hundredths)	2.25%
Effective Date	Jan. 10, 2019
Derivative Contract Maturity Date	Sep. 03, 2019
Notional Amount	$ 103,500,000
Estimated Fair Value	$ 0		(314,000)
Interest Rate Swap [Member] | Unsecured Debt [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	2.654%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Jan. 10, 2019
Derivative Contract Maturity Date	Sep. 03, 2019
Notional Amount	$ 103,500,000
Estimated Fair Value	$ 0	$ 1,783,000	(315,000)
Interest Rate Swap [Member] | Unsecured Credit Facility September 3, 2019 [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.316%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Sep. 03, 2019
Derivative Contract Maturity Date	Aug. 02, 2021
Notional Amount	$ 43,900,000
Estimated Fair Value	$ 175,000		0
Interest Rate Swap [Member] | Hyatt Union Square, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.87%
Effective Date	Jun. 07, 2019
Derivative Contract Maturity Date	Jun. 07, 2023
Notional Amount	$ 56,000,000
Estimated Fair Value	$ (556,000)		0
Interest Rate Swap [Member] | Hilton Garden Inn 52nd Street, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.60%
Index: Basis spread on variable rate basis (in hundredths)	2.90%
Effective Date	Feb. 24, 2017
Derivative Contract Maturity Date	Feb. 24, 2020
Notional Amount	$ 44,325,000
Estimated Fair Value	$ 0		479,000
Interest Rate Swap [Member] | Courtyard, LA Westside, Culver City, LA [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.683%
Index: Basis spread on variable rate basis (in hundredths)	2.75%
Effective Date	Aug. 01, 2017
Derivative Contract Maturity Date	Aug. 01, 2020
Notional Amount	$ 35,000,000
Estimated Fair Value	$ (8,000)		458,000
Interest Rate Swap [Member] | Hilton Garden Inn Tribeca, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.768%
Index: Basis spread on variable rate basis (in hundredths)	2.25%
Effective Date	Jul. 25, 2019
Derivative Contract Maturity Date	Jul. 25, 2024
Notional Amount	$ 22,725,000
Estimated Fair Value	$ (169,000)		0
Interest Rate Swap Three [Member] | Unsecured Credit Facility September 3, 2019 [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.824%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Sep. 03, 2019
Derivative Contract Maturity Date	Aug. 10, 2022
Notional Amount	$ 103,500,000
Estimated Fair Value	$ (718,000)		0
Interest Rate Swap Four [Member] | Unsecured Credit Facility September 3, 2019 [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.824%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Sep. 03, 2019
Derivative Contract Maturity Date	Aug. 10, 2022
Notional Amount	$ 103,500,000
Estimated Fair Value	$ (718,000)		0
Interest Rate Swap II [Member] | Third Term Loan [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.694%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Apr. 03, 2017
Derivative Contract Maturity Date	Sep. 03, 2019
Notional Amount	$ 50,000,000
Estimated Fair Value	$ 0		320,000
Interest Rate Swap II [Member] | Unsecured Debt [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.866%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Aug. 10, 2017
Derivative Contract Maturity Date	Sep. 10, 2019
Notional Amount	$ 300,000,000
Estimated Fair Value	$ 0	$ 1,783,000	2,287,000
Interest Rate Swap II [Member] | Unsecured Credit Facility October 3, 2019 [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.341%
Index: Basis spread on variable rate basis (in hundredths)	2.20%
Effective Date	Oct. 03, 2019
Derivative Contract Maturity Date	Aug. 02, 2021
Notional Amount	$ 150,000,000
Estimated Fair Value	$ 539,000		0
Interest Rate Swap II [Member] | Unsecured Credit Facility September 10, 2019 [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.46%
Index: Basis spread on variable rate basis (in hundredths)	2.00%
Effective Date	Sep. 10, 2019
Derivative Contract Maturity Date	Sep. 10, 2024
Notional Amount	$ 300,000,000
Estimated Fair Value	$ 1,776,000		0
Interest Rate Swap II [Member] | Hilton Garden Inn 52nd Street, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.54%
Index: Basis spread on variable rate basis (in hundredths)	2.30%
Effective Date	Dec. 04, 2019
Derivative Contract Maturity Date	Dec. 04, 2022
Notional Amount	$ 44,325,000
Estimated Fair Value	$ 23,000		0
Interest Rate Swap II [Member] | Hilton Garden Inn Tribeca, New York, NY [Member]
Derivatives, Fair Value [Line Items]
Strike Rate	1.768%
Index: Basis spread on variable rate basis (in hundredths)	2.25%
Effective Date	Jul. 25, 2019
Derivative Contract Maturity Date	Jul. 25, 2024
Notional Amount	$ 22,725,000
Estimated Fair Value	$ (169,000)		$ 0