Fair Value Measurements Fair Value Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	$ 2,322	[1]	$ 10,094	[2]
Loans Receivable, Fair Value Adjustment	(514)	[1]	(3,925)	[2]
Assets, Fair Value Disclosure	2,322		10,094
Assets, Fair Value Adjustment	(514)		(3,925)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	0	[1]	0	[2]
Assets, Fair Value Disclosure	0		0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	0	[1]	0	[2]
Assets, Fair Value Disclosure	0		0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	2,322	[1]	10,094	[2]
Assets, Fair Value Disclosure	$ 2,322		$ 10,094

[1] Collateral-dependent impaired loans held at December 31, 2015 that had write-downs in fair value or whose specific reserve changed during 2015.

[2] Collateral-dependent impaired loans held at December 31, 2014 that had write-downs in fair value or whose specific reserve changed during 2014.