Investment in Investee Investment in Investee Narrative (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Investment in Investee [Abstract]
Equity Method Investments	$ 25,500,000
Income (Loss) from Equity Method Investments	255,000	(2,266,000)
Other Comprehensive Income, Other, Net of Tax	(105,000)	311,000
Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions	2,625,000
Share Price	$ 5.85
Payments to Acquire Equity Method Investments	13,600,000
Gain (Loss) on Sale of Previously Unissued Stock by Equity Investee	$ 1,700,000