Number of troubled debt restructuring loans returned back to accruing status.

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- Definition

Threshold Period of Satisfactory Payments to Remove from Nonaccrual Status

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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Loans and Loans Held for Sale - Restructured Loans for Periods Presented (Detail) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) tdr	Mar. 31, 2015 USD ($) tdr	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications [Line Items]
Threshold period of satisfactory performance for troubled debt restructuring to be restored to accruing status	6 months
Restructured loans	$ 2,614	$ 4,585
Number of troubled debt restructuring loans returned back to accruing status \| tdr	0	0
Performing Financial Instruments
Financing Receivable, Modifications [Line Items]
Restructured loans	$ 22,761		$ 23,955
Performing Financial Instruments \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Restructured loans	6,280		6,321
Performing Financial Instruments \| Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Restructured loans	6,339		6,822
Performing Financial Instruments \| Commercial Construction
Financing Receivable, Modifications [Line Items]
Restructured loans	4,367		5,013
Performing Financial Instruments \| Residential Mortgage
Financing Receivable, Modifications [Line Items]
Restructured loans	2,537		2,590
Performing Financial Instruments \| Home Equity
Financing Receivable, Modifications [Line Items]
Restructured loans	3,215		3,184
Performing Financial Instruments \| Installment and Other Consumer
Financing Receivable, Modifications [Line Items]
Restructured loans	23		25
Nonperforming Financial Instruments
Financing Receivable, Modifications [Line Items]
Restructured loans	9,291		7,659
Nonperforming Financial Instruments \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Restructured loans	1,695		1,570
Nonperforming Financial Instruments \| Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Restructured loans	3,747		3,548
Nonperforming Financial Instruments \| Commercial Construction
Financing Receivable, Modifications [Line Items]
Restructured loans	1,742		1,265
Nonperforming Financial Instruments \| Residential Mortgage
Financing Receivable, Modifications [Line Items]
Restructured loans	1,193		665
Nonperforming Financial Instruments \| Home Equity
Financing Receivable, Modifications [Line Items]
Restructured loans	911		523
Nonperforming Financial Instruments \| Installment and Other Consumer
Financing Receivable, Modifications [Line Items]
Restructured loans	3		88
Financing Receivable
Financing Receivable, Modifications [Line Items]
Restructured loans	32,052		31,614
Financing Receivable \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Restructured loans	7,975		7,891
Financing Receivable \| Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Restructured loans	10,086		10,370
Financing Receivable \| Commercial Construction
Financing Receivable, Modifications [Line Items]
Restructured loans	6,109		6,278
Financing Receivable \| Residential Mortgage
Financing Receivable, Modifications [Line Items]
Restructured loans	3,730		3,255
Financing Receivable \| Home Equity
Financing Receivable, Modifications [Line Items]
Restructured loans	4,126		3,707
Financing Receivable \| Installment and Other Consumer
Financing Receivable, Modifications [Line Items]
Restructured loans	$ 26		$ 113