Loans - Pre-Modification and Post-Modification (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) Contract	Mar. 31, 2016 USD ($) Contract
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	14	9
Pre-Modification Outstanding Recorded Investment	$ 11,640	$ 6,065
Post-Modification Outstanding Recorded Investment	$ 10,510	$ 5,725
Commercial and industrial
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	9	4
Pre-Modification Outstanding Recorded Investment	$ 10,282	$ 4,961
Post-Modification Outstanding Recorded Investment	$ 9,235	$ 4,887
Commercial real estate loans
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	2	2
Pre-Modification Outstanding Recorded Investment	$ 737	$ 658
Post-Modification Outstanding Recorded Investment	$ 653	$ 404
Commercial real estate loans \| Commercial real estate
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	1	2
Pre-Modification Outstanding Recorded Investment	$ 177	$ 658
Post-Modification Outstanding Recorded Investment	$ 173	$ 404
Commercial real estate loans \| Construction
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 560	$ 0
Post-Modification Outstanding Recorded Investment	$ 480	$ 0
Residential mortgage
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	3	2
Pre-Modification Outstanding Recorded Investment	$ 621	$ 392
Post-Modification Outstanding Recorded Investment	$ 622	$ 381
Consumer
Troubled Debt Restructurings
Number of Contracts (in contract) \| Contract	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 54
Post-Modification Outstanding Recorded Investment	$ 0	$ 53

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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=66008989&loc=SL6953676-111524

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

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