Loans Receivable, Net - Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) SecurityLoan	Mar. 31, 2016 USD ($) SecurityLoan
Residential Real Estate
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	2	1
Pre-modification Recorded Investment	$ 368	$ 190
Post-modification Recorded Investment	$ 341	$ 189
Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	2	1
Pre-modification Recorded Investment	$ 1,643	$ 256
Post-modification Recorded Investment	$ 1,643	$ 270
Commercial Real Estate - Investor
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1
Pre-modification Recorded Investment	$ 626
Post-modification Recorded Investment	$ 773
Subsequently Defaulted
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1	0
Recorded Investment	$ 0	$ 0

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=66008989&loc=SL6953676-111524

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