Fair Value Measurements Nonrecurring Basis by Level (Details) - Fair Value, measurements, nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	$ 98	$ 1,266
Other real estate owned	0	2,235
Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0	0
Other real estate owned	0	0
Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	0	0
Other real estate owned	0	0
Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	98	1,266
Other real estate owned	$ 0	$ 2,235