Disposition Of Hotel Properties And Discontinued Operations (Narrative) (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 13, 2015 property	Sep. 30, 2016 USD ($) property	Sep. 30, 2015 USD ($) property	Sep. 30, 2016 USD ($) property	Sep. 30, 2015 USD ($) property	Jun. 30, 2016 property	Dec. 31, 2015 property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels | property		28		28
Number of properties sold | property		4	4	15	11
Number of hotels reclassified as held for sale | property		2		12
Number of hotels reclassified as held for use | property		4		2
Number of hotels included in continuing operations | property		31	47	41	47
Number of hotels included in discontinued operations | property		0	2		9
Gain on sale of real estate | $		$ 3,632	$ 2,966	$ 16,577	$ 4,633
Net gain on disposition of assets | $		3,591	2,927	15,814	2,801
Net income (loss) | $		2,792	11,230	18,255	8,784
Net earnings (loss) attributable to controlling interests | $		$ 61	724	$ 628	721
Held For Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels | property		11		11
Alexandria, Virginia [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) | $			198		(821)
Impairment expense | $			(289)		1,020
Net earnings (loss) attributable to controlling interests | $			$ 14		(846)
Continuing Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of real estate | $					$ 2,966
Net gain on disposition of assets | $				$ 15,896
Continuing Operations [Member] | Alexandria, Virginia [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | property	2
Held For Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels | property		11		11		17	16