Fair Value Measurements Quantitiative Information about Level 3 Non-Recurring Assets (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Loans Receivable, Fair Value Disclosure	$ 7,806	[1]	$ 1,448	[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	7.00%		12.00%
Fair Value Inputs, Comparability Adjustments	37.00%		7.00%
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	6.00%		11.00%
Fair Value Inputs, Comparability Adjustments	20.00%		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	13.00%		13.00%
Fair Value Inputs, Comparability Adjustments	40.00%		15.00%

[1] Collateral-dependent impaired loans held at June 30, 2016 that had write-downs in fair value or whose specific reserve changed during the first six months of 2016.

[2] Collateral-dependent impaired loans held at June 30, 2015 that had write-downs in fair value or whose specific reserve changed during the first six months of 2015.