Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Retained and operated amenities	Jun. 30, 2012 Retained and operated amenities	Jun. 30, 2013 Retained and operated amenities	Jun. 30, 2012 Retained and operated amenities
Discontinued operations
Assets or liabilities of property held for sale			$ 0	$ 0
Results from discontinued operations
Revenues					0	916	0	1,887
Income from discontinued operations					0	251	0	164
Gain on sale of facility		2,272			0	2,272	0	2,272
Income tax expense					0	(939)	0	(939)
Net loss from discontinued operations	$ 188	$ 101			$ 0	$ 1,584	$ 0	$ 1,497