Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended
	Dec. 31, 2011	Sep. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Amortization expense				$ 3,000	$ 3,300	$ 3,300
Impairment loss/charge		16,400
Impairment of intangible assets			2,800
Proceeds from Previous Acquisition	10,000			0	10,000	0
Goodwill and Intangible Asset Impairment	$ 10,000			$ 0	$ 10,000	$ (19,181)