Loans Receivable and Allowance for Loan Losses - Analysis of Loans Modified in Troubled Debt Restructuring by Type of Concession (Detail) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($) Loan	Jun. 30, 2015 USD ($) Loan	Jun. 30, 2016 USD ($) Loan	Jun. 30, 2015 USD ($) Loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| Loan	16	109	42	112
Recorded Investment \| $	$ 535	$ 5,012	$ 3,394	$ 5,417
Extensions of maturity
Financing Receivable, Modifications [Line Items]
Number of Loans \| Loan			3	0
Recorded Investment \| $			$ 1,995	$ 0
Interest-rate reductions
Financing Receivable, Modifications [Line Items]
Number of Loans \| Loan	16	109	39	112
Recorded Investment \| $	$ 535	$ 5,012	$ 1,399	$ 5,417

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

+ References

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