Fair Value Measurements Quantitiative Information about Level 3 Non-Recurring Assets (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016		Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Loans Receivable, Fair Value Disclosure	$ 2,428	[1]	$ 757	[2]
Loans Receivable [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Inputs, Discount Rate	5.00%		11.00%
Fair Value Inputs, Comparability Adjustments	16.00%		0.00%
Loans Receivable [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Inputs, Discount Rate	0.00%		0.00%
Fair Value Inputs, Comparability Adjustments	10.00%		0.00%
Loans Receivable [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Inputs, Discount Rate	7.00%		11.00%
Fair Value Inputs, Comparability Adjustments	33.00%		0.00%

[1] Collateral-dependent impaired loans held at March 31, 2016 that had write-downs in fair value or whose specific reserve changed during the first three months of 2016.

[2] Collateral-dependent impaired loans held at March 31, 2015 that had write-downs in fair value or whose specific reserve changed during the first three months of 2015.