Loans Receivable, Net - Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($) SecurityLoan	Sep. 30, 2014 USD ($) SecurityLoan	Sep. 30, 2015 USD ($) SecurityLoan	Sep. 30, 2014 USD ($) SecurityLoan
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan		5	4	9
Pre-modification Recorded Investment		$ 1,041	$ 509	$ 1,921
Post-modification Recorded Investment		$ 933	$ 472	$ 1,731
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1		4
Pre-modification Recorded Investment	$ 63		$ 6,095
Post-modification Recorded Investment	$ 63		$ 5,944
Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	0	0	0	0
Recorded Investment	$ 0	$ 0	$ 0	$ 0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1	4	9	9
Pre-modification Recorded Investment	$ 207	$ 51	$ 599	$ 221
Post-modification Recorded Investment	$ 170	$ 9	$ 547	$ 178

Financing Receivable Modifications Post Modification Recorded Investment During Period

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- Definition

Financing Receivable Modifications Pre Modification Recorded Investment During Period

+ References

No definition available.

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- Definition

Trouble Debt Restructuring Modifications Recorded Investment

+ References

No definition available.

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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

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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