Schedule III Real Estate and Accumulated Depreciation (Schedule of Real Estate Investments and Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Real Estate and Accumulated Depreciation [Line Items]
Initial cost, Land	$ 20,200
Initial cost, Buildings & Other	205,520
Initial cost, Furniture & equipment	18,318
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	3,235
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	3,587
Gross amount at December 31, 2019, Land	20,200
Gross amount at December 31, 2019, Buildings & Other	208,755
Gross amount at December 31, 2019, Furniture & equipment	21,905
Accumulated depreciation	(28,877)	$ (22,929)	$ (21,548)	$ (28,513)
Net book value	221,983
Hotel Properties [Member]
Real Estate and Accumulated Depreciation [Line Items]
Initial cost, Land	20,200
Initial cost, Buildings & Other	205,520
Initial cost, Furniture & equipment	18,318
Additions, (dispositions), and (impairments) Subsequent to acquisition, Buildings & Other	3,235
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	3,105
Gross amount at December 31, 2019, Land	20,200
Gross amount at December 31, 2019, Buildings & Other	208,755
Gross amount at December 31, 2019, Furniture & equipment	21,423
Accumulated depreciation	(28,525)
Net book value	221,853
Construction-In-Progress [Member]
Real Estate and Accumulated Depreciation [Line Items]
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	100
Gross amount at December 31, 2019, Furniture & equipment	100
Net book value	100
Office Building [Member]
Real Estate and Accumulated Depreciation [Line Items]
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	382
Gross amount at December 31, 2019, Furniture & equipment	382
Accumulated depreciation	(352)
Net book value	$ 30
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	589
Gross amount at December 31, 2019, Land	1,400
Gross amount at December 31, 2019, Buildings & Other	10,163
Gross amount at December 31, 2019, Furniture & equipment	912
Accumulated depreciation	(2,699)
Net book value	$ 9,776
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	122
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	88
Gross amount at December 31, 2019, Land	1,597
Gross amount at December 31, 2019, Buildings & Other	14,475
Gross amount at December 31, 2019, Furniture & equipment	1,638
Accumulated depreciation	(2,698)
Net book value	$ 15,012
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	336
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	232
Gross amount at December 31, 2019, Land	2,100
Gross amount at December 31, 2019, Buildings & Other	11,386
Gross amount at December 31, 2019, Furniture & equipment	1,082
Accumulated depreciation	(2,167)
Net book value	$ 12,401
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	177
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	267
Gross amount at December 31, 2019, Land	800
Gross amount at December 31, 2019, Buildings & Other	8,877
Gross amount at December 31, 2019, Furniture & equipment	1,767
Accumulated depreciation	(2,540)
Net book value	$ 8,904
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	369
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	1,487
Gross amount at December 31, 2019, Land	3,339
Gross amount at December 31, 2019, Buildings & Other	18,415
Gross amount at December 31, 2019, Furniture & equipment	2,602
Accumulated depreciation	(2,558)
Net book value	$ 21,798
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	159
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	49
Gross amount at December 31, 2019, Land	905
Gross amount at December 31, 2019, Buildings & Other	14,363
Gross amount at December 31, 2019, Furniture & equipment	1,400
Accumulated depreciation	(1,840)
Net book value	$ 14,828
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	160
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	13
Gross amount at December 31, 2019, Land	1,087
Gross amount at December 31, 2019, Buildings & Other	14,505
Gross amount at December 31, 2019, Furniture & equipment	1,298
Accumulated depreciation	(1,761)
Net book value	$ 15,129
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	164
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	20
Gross amount at December 31, 2019, Land	1,519
Gross amount at December 31, 2019, Buildings & Other	18,393
Gross amount at December 31, 2019, Furniture & equipment	1,747
Accumulated depreciation	(2,285)
Net book value	$ 19,374
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	34
Gross amount at December 31, 2019, Land	1,311
Gross amount at December 31, 2019, Buildings & Other	16,972
Gross amount at December 31, 2019, Furniture & equipment	931
Accumulated depreciation	(2,164)
Net book value	$ 17,050
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	180
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	21
Gross amount at December 31, 2019, Land	998
Gross amount at December 31, 2019, Buildings & Other	13,671
Gross amount at December 31, 2019, Furniture & equipment	1,875
Accumulated depreciation	(1,248)
Net book value	$ 15,296
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	304
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	200
Gross amount at December 31, 2019, Land	1,200
Gross amount at December 31, 2019, Buildings & Other	16,736
Gross amount at December 31, 2019, Furniture & equipment	1,973
Accumulated depreciation	(1,972)
Net book value	$ 17,937
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	117
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	32
Gross amount at December 31, 2019, Land	1,014
Gross amount at December 31, 2019, Buildings & Other	14,414
Gross amount at December 31, 2019, Furniture & equipment	1,121
Accumulated depreciation	(1,433)
Net book value	$ 15,116
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	163
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	53
Gross amount at December 31, 2019, Land	1,495
Gross amount at December 31, 2019, Buildings & Other	19,793
Gross amount at December 31, 2019, Furniture & equipment	1,328
Accumulated depreciation	(1,755)
Net book value	$ 20,861
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	133
Additions, (dispositions), and (impairments) Subsequent to acquisition, Furniture & equipment	20
Gross amount at December 31, 2019, Land	1,435
Gross amount at December 31, 2019, Buildings & Other	16,592
Gross amount at December 31, 2019, Furniture & equipment	1,749
Accumulated depreciation	(1,405)
Net book value	$ 18,371