Fair Value Measurements Recurring Basis by Level (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		$ 320,714	$ 272,790
Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Interest rate swaps, derivative liability		774	261
Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Interest rate swaps, derivative liability		774	261
Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Interest rate swaps, derivative liability		0	0
Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Interest rate swaps, derivative liability		774	261
Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Interest rate swaps, derivative liability		0	0
U.S. government agencies and corporations [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		2,692	12,820
U.S. government agencies and corporations [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		2,692	12,820
U.S. government agencies and corporations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
U.S. government agencies and corporations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		2,692	12,820
U.S. government agencies and corporations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
State and political subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		73,079	52,359
State and political subdivisions [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		73,079	52,359
State and political subdivisions [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
State and political subdivisions [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		73,079	52,359
State and political subdivisions [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Collateralized mortgage obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value	[1]	132,615	125,870
Collateralized mortgage obligations [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		132,615	125,870
Collateralized mortgage obligations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Collateralized mortgage obligations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		132,615	125,870
Collateralized mortgage obligations [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Mortgage-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value	[1]	101,088	66,153
Mortgage-backed securities [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		101,088	66,153
Mortgage-backed securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Mortgage-backed securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		101,088	66,153
Mortgage-backed securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Trust preferred securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		1,105	918
Trust preferred securities [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		1,105	918
Trust preferred securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Trust preferred securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		1,105	918
Trust preferred securities [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		0	0
Corporate notes and other investments [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		10,135	14,670
Corporate notes and other investments [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		9,835	14,370
Corporate notes and other investments [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		300	300
Corporate notes and other investments [Member] | Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Investment securities available for sale, at fair value		$ 0	$ 0

[1] All collateralized mortgage obligations and mortgage-backed securities consist of residential mortgage pass-through securities guaranteed by GNMA or issued by FNMA and real estate mortgage investment conduits guaranteed by FHLMC or GNMA.