Fair Value Measurement Schedule of Significant Observable Inputs Used in Fair Value Measurement of Level 3 Assets (Details) - Fair Value, Measurements, Nonrecurring [Member] - Level 3 - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired Loans Fair Value Disclosure Nonrecurring	$ 23,676	$ 26,956
Other Real Estate Fair Value Disclosure Nonrecurring	$ 1,387	$ 2,175