Other Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Assets
Gross Carrying Amount	$ 19,824,000	$ 12,897,000
Accumulated Amortization	(2,340,000)	(6,815,000)
Other Assets, Net	17,484,000	6,082,000
Amortization expense related to other assets	1,700,000	2,100,000	2,200,000
Debt issuance costs
Other Assets
Gross Carrying Amount	19,424,000	12,897,000
Accumulated Amortization	(2,340,000)	(6,815,000)
Other Assets, Net	17,084,000	6,082,000
Other costs
Other Assets
Gross Carrying Amount	400,000
Other Assets, Net	$ 400,000