Summary of Significant Accounting Policies (Details 6) (USD $)	1 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended					12 Months Ended
	Oct. 31, 2011	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Robert A. Alter item	Jun. 30, 2011 Commercial laundry facility located in Salt Lake City, Utah	Dec. 31, 2011 Commercial laundry facility located in Salt Lake City, Utah	Dec. 31, 2013 Total at the end of the period	Dec. 31, 2012 Total at the end of the period	Dec. 31, 2013 Level 2	Dec. 31, 2012 Level 2	Dec. 31, 2013 Level 3	Dec. 31, 2012 Level 3	Dec. 31, 2011 Level 3	Dec. 31, 2011 Level 3 Commercial laundry facility located in Salt Lake City, Utah	Dec. 31, 2013 JW Marriott New Orleans Level 2	Dec. 31, 2012 JW Marriott New Orleans Level 2	Dec. 31, 2013 Doubletree Guest Suites Times Square and Hilton San Diego Bayfront hotel Level 2	Dec. 31, 2012 Doubletree Guest Suites Times Square and Hilton San Diego Bayfront hotel Level 2
Fair value of assets and liabilities measured at fair value on a recurring and non-recurring basis
Impairment loss on discontinued operations		$ 1,495,000				$ 1,500,000	$ 1,500,000							$ 1,495,000	$ 1,500,000
Impairment loss on continuing operations		10,862,000												10,862,000
Mortgage-secured purchase money loan received on sale of Royal Palm Miami Beach	90,000,000	90,000,000
Percentage of debt having fixed interest rates			70.70%	69.60%
Carrying value of secured debt			1,404,075,000	1,363,389,000
Weighted average cost of capital (as a percent)												5.00%	5.50%
Fair value of debt												1,400,000,000	1,300,000,000
Assets:
Interest rate cap derivative agreements			16,000	48,000				16,000	48,000	16,000	48,000							16,000	48,000
Life insurance policy								1,385,000	1,494,000	1,385,000	1,494,000
Total assets								1,401,000	1,542,000	1,401,000	1,542,000
Liabilities:
Interest rate swap derivative agreements								1,066,000	1,636,000	1,066,000	1,636,000					1,100,000	1,600,000
Retirement benefit agreement								1,385,000	1,494,000	1,385,000	1,494,000
Total liabilities								2,451,000	3,130,000	2,451,000	3,130,000
Number of installments to be paid out under the Retirement Benefit Agreement					10
Amount paid under the Retirement Benefit Agreement					$ 600,000