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RESERVE FOR LOSS ON REPURCHASED LOANS - Additional Information (Detail) - Representations and Warranties Obligations and Corporate Guarantees - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Provision for loss reimbursement on sold loans	$ 270	$ 851	$ 787	$ 1,230
Initial provision for loan repurchases	673	992	1,500	1,700
Write off (recovery) of loan repurchase reserve	$ (403)	$ (141)	$ (728)	$ (500)

X

- Definition

Loss Contingency, Accrual, Provision, Initial Loan Repurchases

+ References

No definition available.

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- Definition

Loss Contingency Accrual, Provision, Initial Loan Repurchases, Adjustment

+ References

No definition available.

+ Details

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X

- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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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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