Contractual Maturities of Federal Home Loan Bank (FHLB) Borrowings, by Year (Detail) $ in Thousands	Mar. 31, 2016 USD ($)
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2016	$ 25,000
2017	15,000
2018	0
2019	25,000
2020	0
2021 and thereafter	50,000
Total	$ 115,000
Weighted average maturity (in years)	3 years 4 days
Wholesale Repurchase Agreements
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2016	$ 25,000
2018	0
2019	25,000
2020	0
Total	$ 50,000
Weighted average maturity (in years)	1 year 9 months 29 days
Total FHLB Borrowings
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2017	$ 15,000
2018	0
2020	0
2021 and thereafter	50,000
Total	$ 65,000
Weighted average maturity (in years)	3 years 11 months 1 day

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