Loans Receivable and Allowance for Loan Losses - Schedule of Troubled Debt Restructurings Subsequently Defaulted (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($) SecurityLoan	Dec. 31, 2014 USD ($) SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	5	0
Outstanding Recorded Investment \| $	$ 9,173	$ 0
Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1	0
Outstanding Recorded Investment \| $	$ 2,351	$ 0
Mortgage Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	1	0
Outstanding Recorded Investment \| $	$ 2,351	$ 0
Commercial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	4	0
Outstanding Recorded Investment \| $	$ 6,822	$ 0

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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