Contractual and Weighted Average Maturities of Long-term Borrowings, by Year (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2017	$ 15,000
2018	0
2019	25,000
2020	0
2021	50,000
2022 and thereafter	0
Total	$ 90,000
Weighted average maturity (in years)	2 years 10 months 21 days
Wholesale Repurchase Agreements
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2018	$ 0
2019	25,000
2020	0
2022 and thereafter	0
Total	$ 25,000
Weighted average maturity (in years)	2 years 1 month 24 days
Total FHLB Borrowings
Contractual maturities of wholesale repurchase agreements and FHLB borrowings
2017	$ 15,000
2018	0
2020	0
2021	50,000
2022 and thereafter	0
Total	$ 65,000
Weighted average maturity (in years)	3 years 2 months 1 day

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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