Loans - Schedule of Modified TDRs (Detail) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Receivables [Abstract]
Extended maturities	$ 76,059	$ 15,932
Maturity and interest rate adjustment	26,372	23,552
Forbearance	75,953	1,228
Movement to or extension of interest-rate only payments	1,689	0
Interest rate adjustment	133	0
Other concession(s)	38,390	7,887
Total	$ 218,596	$ 48,599

Amount of troubled debt restructurings that were modified in the current period based on an extension of maturity.

No definition available.

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Amount of troubled debt restructurings that were modified in the current period based on a forbearance.

No definition available.

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Financing Receivable Modifications, Interest Only Payments

No definition available.

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Financing Receivable Modifications, Interest Rate Adjustment

No definition available.

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Amount of troubled debt restructurings that were modified in the current period based on an extension of maturity and a change in interest rate.

No definition available.

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Financing receivable, modifications, other concession(s).

No definition available.

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Represents the balance outstanding at the end of the period of loans modified in the current period.

No definition available.

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No definition available.

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