Other Current Liabilities and Other Liabilities (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2014	Dec. 31, 2013	Jan. 31, 2013
Other Current Liabilities
Property, sales and use taxes payable		$ 16,648,000	$ 14,482,000
Income tax payable		212,000
Accrued interest		4,224,000	3,078,000
Advanced deposits		11,534,000	8,259,000
Management fees payable		769,000	1,077,000
Other		3,674,000	3,392,000
Other Current Liabilities		37,061,000	30,288,000
Other Liabilities
Deferred gain on sale of asset		14,000,000	14,000,000	14,000,000
Interest rate swap derivative agreement		952,000	1,066,000
Accrued income tax		1,503,000	1,491,000
Deferred revenue		6,791,000	6,918,000
Deferred rent		12,973,000	12,270,000
Deferred incentive management fees		1,837,000	1,714,000
Other		2,554,000	2,499,000
Other Liabilities		40,610,000	39,958,000
Other Current Liabilities and Other Liabilities
Unrecognized Tax Benefits, Period Increase (Decrease)	1,500,000
Accrued interest on unrecognized tax benefit		12,000
Rochester Portfolio
Other Liabilities
Deferred gain on sale of asset				3,700,000
Other Current Liabilities and Other Liabilities
Portfolio's pension plan liability				$ 14,000,000