Income Taxes Income Tax (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Valuation Allowance [Line Items]
Subsequent Event, Effect of Change in Tax Status	$ (3,000)
Income tax expense incurred on earnings before valuation allowance reversal	5,200
Deferred Tax Assets, Net	112,053		112,031
Deferred tax asset valuation allowances	(5,327)	(1,788)
Deferred Tax Assets, Gross	116,017		121,322
Deferred Tax Liabilities, Gross	(839)		1,120
Deferred Tax Assets, Net of Valuation Allowance, Current	(3,964)		(9,291)
Deferred Tax Assets, Net of Valuation Allowance	$ 111,214		$ 110,911