Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	$ 16,305	$ 19,994
Allowance for loan losses, Individually evaluated for impairment	845	366
Recorded investment, Collectively evaluated for impairment	70,722	67,616
Allowance for loan losses, Collectively evaluated for impairment	1,742	2,093
Residential real estate
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	7,291	7,573
Allowance for loan losses, Individually evaluated for impairment	0	0
Recorded investment, Collectively evaluated for impairment	21,560	22,491
Allowance for loan losses, Collectively evaluated for impairment	342	434
Multi-family real estate
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	0	0
Allowance for loan losses, Individually evaluated for impairment	0	0
Recorded investment, Collectively evaluated for impairment	3,850	3,916
Allowance for loan losses, Collectively evaluated for impairment	16	267
Commercial real estate
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	8,702	11,535
Allowance for loan losses, Individually evaluated for impairment	828	366
Recorded investment, Collectively evaluated for impairment	30,060	27,591
Allowance for loan losses, Collectively evaluated for impairment	1,082	1,006
Land and construction
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	312	886
Allowance for loan losses, Individually evaluated for impairment	17	0
Recorded investment, Collectively evaluated for impairment	6,331	6,390
Allowance for loan losses, Collectively evaluated for impairment	23	166
Commercial
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	0	0
Allowance for loan losses, Individually evaluated for impairment	0	0
Recorded investment, Collectively evaluated for impairment	8,864	7,158
Allowance for loan losses, Collectively evaluated for impairment	279	216
Consumer
Allowance balance attributed to loans:
Recorded investment, Individually evaluated for impairment	0	0
Allowance for loan losses, Individually evaluated for impairment	0	0
Recorded investment, Collectively evaluated for impairment	57	70
Allowance for loan losses, Collectively evaluated for impairment	$ 0	$ 4