Statement of Cash Flows Supplemental Disclosure - Supplemental Disclosures of Cash Flow Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Supplemental Cash Flow Information [Abstract]
Interest on deposits and borrowings	$ 7,002	$ 4,251
Income taxes	3,435
Supplemental schedule of noncash activities:
Transfers from loans to real estate owned and other repossessed assets	519	290
Accretion of securities held to maturity	31	$ 38
Right of use asset recorded	$ 5,227

Noncash activities, accretion of securities held to maturity.

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Noncash activities operating lease right of use asset recorded.

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No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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