Income Taxes Change in Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Change in Tax Valuation Allowance [Abstract]
Deferred Tax Liability, Tax Valuation Allowance	$ 0	$ 0	$ 0	$ 0
Other Comprehensive Income, Tax Valuation Allowance	0	(42)	(63)	(83)
Goodwill, Tax Valuation Allowance	1,058	1,058	1,058	1,058
Income Tax Expense (Benefit), Tax Valuation Allowance	(1,058)	(1,016)	(995)	$ (975)
Deferred Tax Liability, Release of Tax Valuation Allowance	0	0	0
Other Comprehensive Income, Release of Tax Valuation Allowance	42	21	20
Goodwill, Release of Tax Valuation Allowance	0	0	0
Income Tax Expense (Benefit), Release of Tax Valuation Allowance	$ (42)	$ (21)	$ (20)