Federal Home Loan Bank Advances - Maturities of FHLB Advances Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	$ 46,708	$ 46,508
Restructuring prepayment penalty	(793)	(1,007)
Maturities January 2014 with fixed rate 3.55% [Member]
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	1	15
Maturities January 2015 with fixed rate 0.80% [Member]
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	20,000	20,000
Maturity December 2016 with fixed rate 0.79% [Member]
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	10,000	10,000
Maturity June 2017 through December 2017, with fixed rates ranging from 0.89% to 0.99% [Member]
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	15,000	15,000
Maturity June 2018 fixed rate 1.24% [Member]
Maturities of FHLB advances outstanding
Federal Home Loan Bank advances amount	$ 2,500	$ 2,500