Loans and Allowance - Information regarding breakdown of balance in allowance for loan losses and recorded investment in loans (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allowance for losses:
Balances at end of period	$ 3,564	$ 4,003
Loans Receivable
Allowance for losses:
Individually evaluated for impairment:	794	1,432
Collectively evaluated for impairment:	2,770	2,571
Loans acquired with a deteriorated credit quality:
Balances at end of period	3,564	4,003	3,806
Loans:
Individually evaluated for impairment:	14,228	17,262
Collectively evaluated for impairment:	297,453	244,380
Loans acquired with a deteriorated credit quality:	3,103
Balances at end of period	314,784	261,642
Loans Receivable \| Residential Construction
Allowance for losses:
Individually evaluated for impairment:
Collectively evaluated for impairment:	7	23
Loans acquired with a deteriorated credit quality:
Balances at end of period	7	23	35
Loans:
Individually evaluated for impairment:	398
Collectively evaluated for impairment:	10,386	8,308
Loans acquired with a deteriorated credit quality:
Balances at end of period	10,784	8,308
Loans Receivable \| 1-4 Family
Allowance for losses:
Individually evaluated for impairment:	310	913
Collectively evaluated for impairment:	1,113	1,073
Loans acquired with a deteriorated credit quality:
Balances at end of period	1,423	1,986	746
Loans:
Individually evaluated for impairment:	4,517	6,331
Collectively evaluated for impairment:	131,465	104,867
Loans acquired with a deteriorated credit quality:	1,420
Balances at end of period	137,402	111,198
Loans Receivable \| Multi-Family
Allowance for losses:
Individually evaluated for impairment:	196
Collectively evaluated for impairment:	85	65
Loans acquired with a deteriorated credit quality:
Balances at end of period	281	65	138
Loans:
Individually evaluated for impairment:	1,104	1,966
Collectively evaluated for impairment:	18,433	16,616
Loans acquired with a deteriorated credit quality:	451
Balances at end of period	19,988	18,582
Loans Receivable \| Nonresidential
Allowance for losses:
Individually evaluated for impairment:
Collectively evaluated for impairment:	1,078	822
Loans acquired with a deteriorated credit quality:
Balances at end of period	1,078	822	1,632
Loans:
Individually evaluated for impairment:	3,278	3,705
Collectively evaluated for impairment:	102,292	79,579
Loans acquired with a deteriorated credit quality:	863
Balances at end of period	106,433	83,284
Loans Receivable \| Land
Allowance for losses:
Individually evaluated for impairment:	195	519
Collectively evaluated for impairment:	446	474
Loans acquired with a deteriorated credit quality:
Balances at end of period	641	993	976
Loans:
Individually evaluated for impairment:	4,354	4,972
Collectively evaluated for impairment:	11,067	14,109
Loans acquired with a deteriorated credit quality:	301
Balances at end of period	15,722	19,081
Loans Receivable \| Commercial
Allowance for losses:
Individually evaluated for impairment:	93
Collectively evaluated for impairment:	40	70
Loans acquired with a deteriorated credit quality:
Balances at end of period	133	70	157
Loans:
Individually evaluated for impairment:	565	271
Collectively evaluated for impairment:	18,946	17,078
Loans acquired with a deteriorated credit quality:	38
Balances at end of period	19,549	17,349
Loans Receivable \| Consumer
Allowance for losses:
Individually evaluated for impairment:
Collectively evaluated for impairment:	1	44
Loans acquired with a deteriorated credit quality:
Balances at end of period	1	44	122
Loans:
Individually evaluated for impairment:	12	17
Collectively evaluated for impairment:	4,864	3,823
Loans acquired with a deteriorated credit quality:	30
Balances at end of period	$ 4,906	$ 3,840

The balance of financing receivables that were acquired with deteriorated credit quality.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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The valuation allowance for financing receivables acquired with deteriorated credit quality.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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The balance of financing receivables that were collectively evaluated for impairment.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 8, 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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