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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Components of Troubled Debt Restructured Loans and Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	$ 8,349	$ 8,321
NTM Loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,977	2,993
Traditional Loans and Leases
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	5,372	5,328
Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,746	2,675
Commercial | NTM Loans | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	0	0
Commercial | Traditional Loans and Leases | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,746	2,675
Consumer | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	5,309	5,352
Consumer | Other consumer
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	294	294
Consumer | NTM Loans | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,683	2,699
Consumer | NTM Loans | Other consumer
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	294	294
Consumer | Traditional Loans and Leases | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,626	2,653
Consumer | Traditional Loans and Leases | Other consumer
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	$ 0	$ 0

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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://fasb.org/us-gaap/role/ref/legacyRef
-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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