Fair Value of Financial Instruments (Details 4) - Level 3 - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Collateral-dependent impaired loans and leases | Appraisal of collateral
Quantitative information for Level 3 Fair Value Measurements Assets
Fair value of assets	$ 33,414	$ 12,137
Other real estate owned | Appraisal of collateral
Quantitative information for Level 3 Fair Value Measurements Assets
Fair value of assets	$ 367	$ 729
Minimum | Discount for Costs to Sell
Quantitative information for Level 3 Fair Value Measurements Assets
Range of observable inputs	0.00%	0.00%
Minimum | Appraisal Adjustments
Quantitative information for Level 3 Fair Value Measurements Assets
Range of observable inputs	0.00%	0.00%
Maximum | Discount for Costs to Sell
Quantitative information for Level 3 Fair Value Measurements Assets
Range of observable inputs	10.00%	10.00%
Maximum | Appraisal Adjustments
Quantitative information for Level 3 Fair Value Measurements Assets
Range of observable inputs	15.00%	15.00%