Fair Value (Details 4) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Financial Assets, Carrying Value:
Cash and cash equivalents, Carrying Value	$ 73,308	$ 112,936	$ 96,654	$ 179,318
Investment securities, Carrying Value	237,177	239,634
Federal Home Loan Bank Stock, Carrying Value	13,802	13,802
Loans, net, including loans held for sale, Carrying Value	1,715,030	1,626,555
Accrued interest receivable, Carrying Value	7,142	6,037
Financial Liabilities, Carrying Value:
Deposits, Carrying Value	1,793,053	1,760,813
Advances from Federal Home Loan Bank, Carrying Value	40,801	21,544
Securities sold under repurchase agreements, Carrying Value	53,838	54,759
Subordinated debentures, Carrying Value	36,083	36,083
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	73,308	112,936
Investment securities, Fair Value	237,179	239,629
Loans, net, including loans held for sale, Fair Value	1,730,554	1,632,507
Accrued interest receivable, Fair Value	7,142	6,037
Financial Liabilities, Fair Value:
Deposits, Fair Value	1,796,922	1,762,733
Advances from Federal Home Loan Bank, Fair Value	41,155	21,772
Securities sold under repurchase agreements, Fair Value	53,838	54,759
Subordinated debentures, Fair Value	35,307	35,307
Fair Value, Inputs, Level 1 [Member]
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	73,308	112,936
Investment securities, Fair Value	1,990	1,990
Loans, net, including loans held for sale, Fair Value	0	0
Accrued interest receivable, Fair Value	0	3
Financial Liabilities, Fair Value:
Deposits, Fair Value	392,103	379,552
Advances from Federal Home Loan Bank, Fair Value	0	0
Securities sold under repurchase agreements, Fair Value	0	0
Subordinated debentures, Fair Value	0	0
Fair Value, Inputs, Level 2 [Member]
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	0	0
Investment securities, Fair Value	235,189	237,639
Loans, net, including loans held for sale, Fair Value	7,245	4,741
Accrued interest receivable, Fair Value	1,368	846
Financial Liabilities, Fair Value:
Deposits, Fair Value	1,404,819	1,383,181
Advances from Federal Home Loan Bank, Fair Value	41,155	21,772
Securities sold under repurchase agreements, Fair Value	53,838	54,759
Subordinated debentures, Fair Value	0	0
Fair Value, Inputs, Level 3 [Member]
Financial Assets, Fair Value:
Cash and cash equivalents, Fair Value	0	0
Investment securities, Fair Value	0	0
Loans, net, including loans held for sale, Fair Value	1,723,309	1,627,766
Accrued interest receivable, Fair Value	5,774	5,188
Financial Liabilities, Fair Value:
Deposits, Fair Value	0	0
Advances from Federal Home Loan Bank, Fair Value	0	0
Securities sold under repurchase agreements, Fair Value	0	0
Subordinated debentures, Fair Value	$ 35,307	$ 35,307