Schedule III - Real Estate And Accumulated Depreciation (Real Estate And Accumulated Depreciation) (Details) (USD $) In Thousands, unless otherwise specified										12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Hotel [Member]		Dec. 31, 2013 Assets Held-for-sale [Member]		Dec. 31, 2013 Residence Inn, Framingham, MA [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, New York, NY [Member] Hotel [Member]		Dec. 31, 2013 Residence Inn, Greenbelt, MD [Member] Hotel [Member]		Dec. 31, 2013 Courtyard, Brookline, MA [Member] Hotel [Member]		Dec. 31, 2013 Residence Inn, Tyson's Corner, VA [Member] Hotel [Member]		Dec. 31, 2013 Hilton Garden Inn, JFK Airport, NY [Member] Hotel [Member]		Dec. 31, 2013 Hawthorne Suites, Franklin, MA [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Exp, Cambridge, MA [Member] Hotel [Member]		Dec. 31, 2013 Residence Inn, Norwood, MA [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, Chelsea, NY [Member] Hotel [Member]		Dec. 31, 2013 Hyatt House, Gaithersburg, MD [Member] Hotel [Member]		Dec. 31, 2013 Hyatt House, Pleasant Hills, CA [Member] Hotel [Member]		Dec. 31, 2013 Hyatt House, Pleasanton, CA [Member] Hotel [Member]		Dec. 31, 2013 Hyatt House, Scottsdale, AZ [Member] Hotel [Member]		Dec. 31, 2013 Hyatt House, White Plains, NY [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Exp & Suites, Chester, NY [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, Seaport, NY [Member] Hotel [Member]		Dec. 31, 2013 Hotel 373-5th Ave, New York, NY [Member] Hotel [Member]		Dec. 31, 2013 Sheraton Hotel, JFK Airport, NY [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, Philadelphia, PA [Member] Hotel [Member]		Dec. 31, 2013 Duane Street, Tribeca, NY [Member] Hotel [Member]		Dec. 31, 2013 NU Hotel, Brooklyn, NY [Member] Hotel [Member]		Dec. 31, 2013 Hilton Garden Inn, Tribeca, NY [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, Times Square, NY [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Express, Times Square, NY [Member] Hotel [Member]		Dec. 31, 2013 Candlewood Suites, Times Square, NY [Member] Hotel [Member]		Dec. 31, 2013 Hyatt Place, KOP, PA [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Express, Wall Street, NY [Member] Hotel [Member]		Dec. 31, 2013 Hampton Inn, Washington, DC [Member] Hotel [Member]		Dec. 31, 2013 Courtyard Inn, Alexandria, VA [Member] Hotel [Member]		Dec. 31, 2013 Sheraton, Wilmington South, DE [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn, Water Street, NY [Member] Hotel [Member]		Dec. 31, 2013 Capital Hill Suites, Washington, DC [Member] Hotel [Member]		Dec. 31, 2013 Courtyard, LA Westside, CA [Member] Hotel [Member]		Dec. 31, 2013 Courtyard, Miami, FL [Member] Hotel [Member]		Dec. 31, 2013 The Rittenhouse Hotel, Philadelphia, PA [Member] Hotel [Member]		Dec. 31, 2013 The Boxer, Boston, MA [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Express, Manhattan, NY [Member] Hotel [Member]		Dec. 31, 2013 Hyatt Union Square, New York, NY [Member] Hotel [Member]		Dec. 31, 2013 Courtyard By Marriott, San Deigo, CA [Member] Hotel [Member]		Dec. 31, 2013 Residence Inn, Coconut Grove, FL [Member] Hotel [Member]		Dec. 31, 2013 Winter Haven, Miami Beach, FL [Member] Hotel [Member]		Dec. 31, 2013 Blue Moon, Miami Beach, FL [Member] Hotel [Member]		Dec. 31, 2013 Holiday Inn Exp, Langhorne, PA [Member] Assets Held-for-sale [Member]		Dec. 31, 2013 Holiday Inn Exp, King of Prussia, PA [Member] Assets Held-for-sale [Member]		Dec. 31, 2013 Courtyard, Langhorne, PA [Member] Assets Held-for-sale [Member]		Dec. 31, 2013 Hyatt House, Bridgewater, NJ [Member] Assets Held-for-sale [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ (561,814)					$ (515,979)		$ (45,835)				$ (23,650)		$ (10,491)		$ (37,065)				$ (20,016)		$ (7,697)						$ (34,204)		$ (13,720)		$ (20,160)		$ (14,490)		$ (16,778)		$ (33,030)		$ (6,366)		$ (18,047)		$ (18,477)						$ (14,597)				$ (31,317)														$ (23,755)						$ (27,119)		$ (30,000)		$ (60,000)								$ (55,000)										$ (5,881)		$ (11,628)		$ (13,834)		$ (14,492)
Initial Costs [Abstract]
Land	349,108					339,026		10,082		1,325		5,472		2,615				4,283				1,872		1,956		1,970		8,905		2,912		6,216		3,941		3,060		8,823		1,500		7,816		14,239				3,490		8,213				21,077		10,691		11,075		10,281		1,133		12,152		9,335		6,376		1,765		7,341		8,095		13,489		35,699		7,108		1,456		30,329		32,940		15,656		4,146		5,400		4,874		1,088		2,557		3,064		3,373
Buildings & Improvements	1,211,398					1,155,733		55,665		12,737		23,280		14,815		47,414		14,475		25,018		8,968		9,793		11,761		33,500		16,001		17,229		12,560		19,968		30,273		6,671		19,040		16,778		27,315		24,382		12,869		22,042		42,955		41,637		43,113		36,687		7,267		21,100		58,048		26,089		16,929		28,591		35,141		27,025		55,805		29,556		14,954		57,016		79,300		51,674		17,456		18,147		20,354		6,573		13,339		16,068		19,685
Costs Capitalized Subsequent to Acquisition [Abstract]
Land	(564)					1		(565)																																																																						1																		(111)						(454)
Buildings & Improvements	69,365					66,902		2,463		1,924		1,440		2,233		1,435		1,860		2,466		364		2,338		1,470		1,856		3,372		2,953		3,441		3,350		2,537		219		692		129		969		5,901		1,238		638		278		275		46		41		3,908		186		1,102		2,465		1,068		217		2,801		1,795		51		7,486		1,419		713		177		40		9						(353)		1,738		986		92
Gross Amounts at which Carried at Close of Period [Abstract]
Land	348,544					339,027		9,517		1,325		5,472		2,615				4,283				1,872		1,956		1,970		8,905		2,912		6,216		3,941		3,060		8,823		1,500		7,816		14,239				3,490		8,213				21,077		10,691		11,075		10,281		1,133		12,152		9,335		6,376		1,765		7,341		8,095		13,489		35,700		7,108		1,456		30,329		32,940		15,656		4,146		5,400		4,874		977		2,557		3,064		2,919
Buildings & Improvements	1,280,768					1,222,639		58,129		14,661		24,720		17,048		48,849		16,335		27,484		9,332		12,131		13,231		35,356		19,373		20,182		16,001		23,318		32,810		6,890		19,732		16,907		28,284		30,283		14,107		22,680		43,233		41,912		43,159		36,728		11,175		21,286		59,150		28,554		17,997		28,808		37,942		28,820		55,856		37,042		16,373		57,729		79,477		51,715		17,466		18,148		20,355		6,220		15,077		17,054		19,778
Total Real Estate	1,629,312		1,520,151	1,481,433	1,291,213	1,561,666		67,646		15,986		30,192		19,663		48,849		20,618		27,484		11,204		14,087		15,201		44,261		22,285		26,398		19,942		26,378		41,633		8,390		27,548		31,146		28,284		33,773		22,320		22,680		64,310		52,603		54,234		47,009		12,308		33,438		68,485		34,930		19,762		36,149		46,037		42,309		91,556		44,150		17,829		88,058		112,417		67,371		21,612		23,548		25,229		7,197		17,634		20,118		22,697
Accumulated Depreciation Buildings & Improvements	(162,189)	[1]	(150,353)	(139,057)	(112,161)	(149,632)	[1]	(12,557)	[1]	(3,923)	[1]	(5,927)	[1]	(4,351)	[1]	(11,045)	[1]	(3,498)	[1]	(5,801)	[1]	(1,922)	[1]	(2,926)	[1]	(2,418)	[1]	(7,131)	[1]	(3,742)	[1]	(3,356)	[1]	(3,024)	[1]	(4,610)	[1]	(6,383)	[1]	(1,208)	[1]	(3,472)	[1]	(2,816)	[1]	(4,048)	[1]	(9,468)	[1]	(2,411)	[1]	(3,212)	[1]	(5,091)	[1]	(4,079)	[1]	(4,204)	[1]	(3,569)	[1]	(3,791)	[1]	(1,959)	[1]	(5,031)	[1]	(5,700)	[1]	(1,932)	[1]	(1,814)	[1]	(2,955)	[1]	(1,884)	[1]	(2,971)	[1]	(2,513)	[1]	(759)	[1]	(2,276)	[1]	(1,445)	[1]	(754)	[1]	(245)	[1]	15	[1]	17	[1]	(1,519)	[1]	(3,441)	[1]	(3,632)	[1]	(3,965)	[1]
Net Book Value Land, Buildings & Improvements	$ 1,467,123					$ 1,412,034		$ 55,089		$ 12,063		$ 24,265		$ 15,312		$ 37,804		$ 17,120		$ 21,683		$ 9,282		$ 11,161		$ 12,783		$ 37,130		$ 18,543		$ 23,042		$ 16,918		$ 21,768		$ 35,250		$ 7,182		$ 24,076		$ 28,330		$ 24,236		$ 24,305		$ 19,909		$ 19,468		$ 59,219		$ 48,524		$ 50,030		$ 43,440		$ 8,517		$ 31,479		$ 63,454		$ 29,230		$ 17,830		$ 34,335		$ 43,082		$ 40,425		$ 88,585		$ 41,637		$ 17,070		$ 85,782		$ 110,972		$ 66,617		$ 21,367		$ 23,563		$ 25,246		$ 5,678		$ 14,193		$ 16,486		$ 18,732
Date of Acquisition										Mar. 26, 2004		Apr. 01, 2005		Jul. 16, 2004		Jun. 16, 2005		Feb. 02, 2006		Feb. 16, 2006		Apr. 25, 2006		May 03, 2006		Jul. 27, 2006		Sep. 29, 2006		Dec. 28, 2006		Dec. 28, 2006		Dec. 28, 2006		Dec. 28, 2006		Dec. 28, 2006		Jan. 25, 2007		Feb. 01, 2007		Jun. 01, 2007		Jun. 13, 2008		Feb. 15, 2006		Jan. 04, 2008		Jan. 14, 2008		May 01, 2009		Feb. 09, 2010		Feb. 09, 2010		Feb. 09, 2010		Aug. 17, 2010		May 07, 2010		Sep. 01, 2010		Sep. 29, 2006		Dec. 21, 2010		Mar. 25, 2011		Apr. 15, 2011		May 19, 2011		Nov. 16, 2011		Mar. 01, 2012		May 07, 2012		Jun. 18, 2012		Apr. 09, 2013		May 30, 2013		Jun. 12, 2013		Dec. 20, 2013		Dec. 20, 2013		May 26, 2005		May 23, 2005		Jan. 03, 2006		Dec. 28, 2006

[1] Assets are depreciated over a 7 to 40 year life, upon which the latest income statement is computed