Discontinued Operations - Narrative (Details) (USD $)	3 Months Ended			9 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Glacier Park	Sep. 30, 2014 Glacier Park	Sep. 30, 2013 Glacier Park	Sep. 30, 2014 Glacier Park	Sep. 30, 2013 Glacier Park
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Possessory Interest									$ 25,000,000
Gain on Possessory Interest, before Tax									21,500,000
Gain on Possessory Interest, Net of Tax, Attributable to Parent Only									12,600,000
Gain on Possessory Interest, Net of Tax, Attributable to Noncontrolling Interest									2,700,000
Proceeds from Sale of Property, Plant, and Equipment				28,000,000	0	3,000,000
Gain (Loss) on Disposition of Property Plant Equipment				392,000	223,000	700,000
Total Impairment Charge	4,500,000			4,500,000
Goodwill impairment charge	0		2,097,000	0	2,097,000
Impairment Charges on Disposal Group							0	2,364,000	0	2,364,000
Impairment charges	0	884,000	952,000	884,000	952,000
Loss on change in reserves from discontinued operations			$ 1,000,000	$ 300,000	$ 1,000,000