Loans - Pre-Modification and Post-Modification Outstanding Recorded Investments (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Modifications, Number of Contracts \| Contract	9	8
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 6,065	$ 6,864
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 5,725	$ 6,812
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Modifications, Number of Contracts \| Contract	4	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 4,961	$ 1,584
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 4,887	$ 1,534
Commercial real estate loans \| Commercial real estate
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Modifications, Number of Contracts \| Contract	2	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 658	$ 5,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 404	$ 5,000
Residential mortgage
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Modifications, Number of Contracts \| Contract	2	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 392	$ 280
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 381	$ 278
Consumer
Accounts, Notes, Loans and Financing Receivable
Financing Receivable, Modifications, Number of Contracts \| Contract	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 54	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 53	$ 0

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Number of financing receivables that have been 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=49124121&loc=SL6953676-111524

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

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