Income Taxes Change in Valuation Allowance (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change in Tax Valuation Allowance [Abstract]
Deferred Tax Liability, Tax Valuation Allowance	$ 0	$ 0	$ 0	$ 0
Other Comprehensive Income, Tax Valuation Allowance	(42)	(63)	(83)	(271)
Goodwill, Tax Valuation Allowance	1,058	1,058	1,058	1,058
Income Tax Expense (Benefit), Tax Valuation Allowance	(1,016)	(995)	(975)	(787)
Deferred Tax Liability, Release of Tax Valuation Allowance	0	0	0
Other Comprehensive Income, Release of Tax Valuation Allowance	21	20	188
Goodwill, Release of Tax Valuation Allowance	0	0	0
Income Tax Expense (Benefit), Release of Tax Valuation Allowance	$ (21)	$ (20)	$ (188)