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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Components of Troubled Debt Restructured Loans and Leases (Detail) - Consumer - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	$ 5,668	$ 4,827
Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	3,143	2,293
Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,231	2,240
Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	294	294
Non-Traditional Mortgages (NTM)
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	3,002	3,387
Non-Traditional Mortgages (NTM) | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	477	853
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,231	2,240
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	294	294
Traditional Loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,666	1,440
Traditional Loans | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,666	1,440
Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	0	0
Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	$ 0	$ 0

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+ References

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- Definition

The amount of the outstanding recorded investment related to 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 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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