Schedule III Real Estate And Accumulated Depreciation (Schedule Of Real Estate Investments And Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Real Estate and Accumulated Depreciation [Line Items]
Initial cost, Land	$ 22,504
Initial cost, Buildings & Other	208,239
Initial cost, Furniture & equipment	18,587
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	4,898
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	2,971
Gross amount at December 31, 2018, Land	22,504
Gross amount at December 31, 2018, Buildings & Other	213,137
Gross amount at December 31, 2018, Furniture & equipment	21,558
Accumulated depreciation	(22,929)	$ (21,548)	$ (28,513)	$ (58,200)
Net book value	234,270
Hotel Properties [Member]
Real Estate and Accumulated Depreciation [Line Items]
Initial cost, Land	22,504
Initial cost, Buildings & Other	208,239
Initial cost, Furniture & equipment	18,587
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	4,853
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	2,192
Gross amount at December 31, 2018, Land	22,504
Gross amount at December 31, 2018, Buildings & Other	213,092
Gross amount at December 31, 2018, Furniture & equipment	20,779
Accumulated depreciation	(22,532)
Net book value	233,843
Construction-In-Progress [Member]
Real Estate and Accumulated Depreciation [Line Items]
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	45
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	285
Gross amount at December 31, 2018, Buildings & Other	45
Gross amount at December 31, 2018, Furniture & equipment	285
Net book value	330
Office Building [Member]
Real Estate and Accumulated Depreciation [Line Items]
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	494
Gross amount at December 31, 2018, Furniture & equipment	494
Accumulated depreciation	(397)
Net book value	$ 97
Quality Inn [Member] | Hotel Properties [Member] | Solomons, Maryland [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Jun. 01, 1986
Encumbrance	KEY
Initial cost, Land	$ 2,304
Initial cost, Buildings & Other	2,719
Initial cost, Furniture & equipment	269
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	1,768
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	450
Gross amount at December 31, 2018, Land	2,304
Gross amount at December 31, 2018, Buildings & Other	4,487
Gross amount at December 31, 2018, Furniture & equipment	719
Accumulated depreciation	(3,425)
Net book value	$ 4,085
Hilton Garden Inn [Member] | Hotel Properties [Member] | Dowell, Maryland [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	May 25, 2012
Encumbrance	KEY
Initial cost, Land	$ 1,400
Initial cost, Buildings & Other	9,492
Initial cost, Furniture & equipment	323
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	671
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	523
Gross amount at December 31, 2018, Land	1,400
Gross amount at December 31, 2018, Buildings & Other	10,163
Gross amount at December 31, 2018, Furniture & equipment	846
Accumulated depreciation	(2,363)
Net book value	$ 10,046
SpringHill Suites [Member] | Hotel Properties [Member] | San Antonio, Texas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Oct. 01, 2015
Encumbrance	WELLS
Initial cost, Land	$ 1,597
Initial cost, Buildings & Other	14,353
Initial cost, Furniture & equipment	1,550
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	114
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	61
Gross amount at December 31, 2018, Land	1,597
Gross amount at December 31, 2018, Buildings & Other	14,467
Gross amount at December 31, 2018, Furniture & equipment	1,611
Accumulated depreciation	(2,053)
Net book value	$ 15,622
Courtyard by Mariott [Member] | Hotel Properties [Member] | Jacksonville, Florida [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Oct. 02, 2015
Encumbrance	WELLS
Initial cost, Land	$ 2,100
Initial cost, Buildings & Other	11,050
Initial cost, Furniture & equipment	850
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	245
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	206
Gross amount at December 31, 2018, Land	2,100
Gross amount at December 31, 2018, Buildings & Other	11,295
Gross amount at December 31, 2018, Furniture & equipment	1,056
Accumulated depreciation	(1,812)
Net book value	$ 12,639
Hotel Indigo [Member] | Hotel Properties [Member] | Atlanta, Georgia [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Oct. 02, 2015
Encumbrance	WELLS
Initial cost, Land	$ 800
Initial cost, Buildings & Other	8,700
Initial cost, Furniture & equipment	1,500
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	198
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	252
Gross amount at December 31, 2018, Land	800
Gross amount at December 31, 2018, Buildings & Other	8,898
Gross amount at December 31, 2018, Furniture & equipment	1,752
Accumulated depreciation	(1,941)
Net book value	$ 9,509
Aloft [Member] | Hotel Properties [Member] | Leawood, Kansas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Dec. 14, 2016
Encumbrance	GWB
Initial cost, Land	$ 3,339
Initial cost, Buildings & Other	18,046
Initial cost, Furniture & equipment	1,115
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	365
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	407
Gross amount at December 31, 2018, Land	3,339
Gross amount at December 31, 2018, Buildings & Other	18,411
Gross amount at December 31, 2018, Furniture & equipment	1,522
Accumulated depreciation	(1,583)
Net book value	$ 21,689
Home2 Suites [Member] | Hotel Properties [Member] | Lexington, Kentucky [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Mar. 24, 2017
Encumbrance	KEY
Initial cost, Land	$ 905
Initial cost, Buildings & Other	14,204
Initial cost, Furniture & equipment	1,351
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	156
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	15
Gross amount at December 31, 2018, Land	905
Gross amount at December 31, 2018, Buildings & Other	14,360
Gross amount at December 31, 2018, Furniture & equipment	1,366
Accumulated depreciation	(1,170)
Net book value	$ 15,461
Home2 Suites [Member] | Hotel Properties [Member] | Round Rock, Texas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Mar. 24, 2017
Encumbrance	KEY
Initial cost, Land	$ 1,087
Initial cost, Buildings & Other	14,345
Initial cost, Furniture & equipment	1,285
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	150
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	5
Gross amount at December 31, 2018, Land	1,087
Gross amount at December 31, 2018, Buildings & Other	14,495
Gross amount at December 31, 2018, Furniture & equipment	1,290
Accumulated depreciation	(1,119)
Net book value	$ 15,753
Home2 Suites [Member] | Hotel Properties [Member] | Tallahassee, Florida [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Mar. 24, 2017
Encumbrance	KEY
Initial cost, Land	$ 1,519
Initial cost, Buildings & Other	18,229
Initial cost, Furniture & equipment	1,727
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	159
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	3
Gross amount at December 31, 2018, Land	1,519
Gross amount at December 31, 2018, Buildings & Other	18,388
Gross amount at December 31, 2018, Furniture & equipment	1,730
Accumulated depreciation	(1,452)
Net book value	$ 20,185
Home2 Suites [Member] | Hotel Properties [Member] | Southaven, Mississippi [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Apr. 14, 2017
Encumbrance	MS
Initial cost, Land	$ 1,311
Initial cost, Buildings & Other	16,792
Initial cost, Furniture & equipment	897
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	180
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	53
Gross amount at December 31, 2018, Land	1,311
Gross amount at December 31, 2018, Buildings & Other	16,972
Gross amount at December 31, 2018, Furniture & equipment	950
Accumulated depreciation	(1,385)
Net book value	$ 17,848
Home2 Suites [Member] | Hotel Properties [Member] | Summerville, South Carolina [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Feb. 21, 2018
Encumbrance	KEY
Initial cost, Land	$ 998
Initial cost, Buildings & Other	13,491
Initial cost, Furniture & equipment	1,854
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	175
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	4
Gross amount at December 31, 2018, Land	998
Gross amount at December 31, 2018, Buildings & Other	13,666
Gross amount at December 31, 2018, Furniture & equipment	1,858
Accumulated depreciation	(566)
Net book value	$ 15,956
Hampton Inn And Suites [Member] | Hotel Properties [Member] | Lake Mary, Florida [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Jun. 19, 2017
Encumbrance	KEY
Initial cost, Land	$ 1,200
Initial cost, Buildings & Other	16,432
Initial cost, Furniture & equipment	1,773
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	273
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	135
Gross amount at December 31, 2018, Land	1,200
Gross amount at December 31, 2018, Buildings & Other	16,705
Gross amount at December 31, 2018, Furniture & equipment	1,908
Accumulated depreciation	(1,175)
Net book value	$ 18,638
Fairfield Inn & Suites [Member] | Hotel Properties [Member] | El Paso, Texas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Aug. 31, 2017
Encumbrance	KEY
Initial cost, Land	$ 1,014
Initial cost, Buildings & Other	14,297
Initial cost, Furniture & equipment	1,089
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	115
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	32
Gross amount at December 31, 2018, Land	1,014
Gross amount at December 31, 2018, Buildings & Other	14,412
Gross amount at December 31, 2018, Furniture & equipment	1,121
Accumulated depreciation	(815)
Net book value	$ 15,732
Residence Inn [Member] | Hotel Properties [Member] | Austin, Texas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Aug. 31, 2017
Encumbrance	KEY
Initial cost, Land	$ 1,495
Initial cost, Buildings & Other	19,630
Initial cost, Furniture & equipment	1,275
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	155
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	46
Gross amount at December 31, 2018, Land	1,495
Gross amount at December 31, 2018, Buildings & Other	19,785
Gross amount at December 31, 2018, Furniture & equipment	1,321
Accumulated depreciation	(1,001)
Net book value	$ 21,600
TownePlace Suites [Member] | Hotel Properties [Member] | Austin, Texas [Member]
Real Estate and Accumulated Depreciation [Line Items]
Acquisition date	Jan. 18, 2018
Encumbrance	KEY
Initial cost, Land	$ 1,435
Initial cost, Buildings & Other	16,459
Initial cost, Furniture & equipment	1,729
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	129
Gross amount at December 31, 2018, Land	1,435
Gross amount at December 31, 2018, Buildings & Other	16,588
Gross amount at December 31, 2018, Furniture & equipment	1,729
Accumulated depreciation	(672)
Net book value	$ 19,080