Property, Plant and Equipment (Depreciation & Disposals) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Abstract]
Depreciation and amortization	$ 13,042,000	$ 11,620,000	$ 12,694,000
Proceeds from Sale of Property, Plant, and Equipment		200,000	40,000,000
Gain (Loss) on Disposition of Property Plant Equipment		(300,000)	26,700,000
Transaction Costs, Sale of Property, Plant, and Equipment			$ 100,000