Fair Value of Assets and Liabilities (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Liabilities
Non interest-bearing deposits	$ 273,242	$ 217,245
Junior subordinated debentures	8,248	8,248
Off-balance sheet instruments, commitments to extend credit and standby letters of credit, Notional Amount	178,432	161,987
Off-balance sheet instruments, commitments to extend credit and standby letters of credit, Cost to Cede or Assume	1,784	1,620
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash and cash equivalents	34,116	34,892
Liabilities
Non interest-bearing deposits	273,242	217,245
Significant Other Observable Inputs (Level 2)
Assets
Investments and mortgage-backed securities	287,682	233,649
Loans receivable, net of deferred fees and costs	2,548	1,300
Loans held for sale	22,549	21,947
Accrued interest receivable	1,497	1,241
Liabilities
Interest-bearing deposits	598,664	569,988
Federal Home Loan Bank advances	67,059	52,110
Accrued interest payable	192	455
Significant Unobservable Inputs (Level 3)
Assets
Investments and mortgage-backed securities		3,333
Loans receivable, net of deferred fees and costs	701,144	645,491
Accrued interest receivable	2,418	2,613
Liabilities
Junior subordinated debentures	7,078	4,096
Carrying Amount
Assets
Cash and cash equivalents	34,116	34,892
Investments and mortgage-backed securities	287,682	236,982
Federal Home Loan Bank stock	4,575	4,685
Loans receivable, net of deferred fees and costs	688,671	645,175
Loans held for sale	22,549	21,947
Accrued interest receivable	3,915	3,854
Liabilities
Non interest-bearing deposits	273,242	217,245
Interest-bearing deposits	597,628	568,963
Federal Home Loan Bank advances	66,500	51,500
Junior subordinated debentures	8,248	8,248
Accrued interest payable	192	455
Fair Value
Assets
Cash and cash equivalents	34,116	34,892
Investments and mortgage-backed securities	287,682	236,982
Loans receivable, net of deferred fees and costs	703,692	646,791
Loans held for sale	22,549	21,947
Accrued interest receivable	3,915	3,854
Liabilities
Non interest-bearing deposits	273,242	217,245
Interest-bearing deposits	598,664	569,988
Federal Home Loan Bank advances	67,059	52,110
Junior subordinated debentures	7,078	4,096
Accrued interest payable	$ 192	$ 455