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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Components of Troubled Debt Restructured Loans and Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	$ 8,321	$ 4,827
NTM Loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,993	3,387
Traditional Loans and Leases
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	5,328	1,440
Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,675	0
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	2,675	0
Consumer | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	3,124	2,293
Consumer | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,228	2,240
Consumer | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
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	471	853
Consumer | NTM Loans | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	2,228	2,240
Consumer | NTM Loans | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
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	2,653	1,440
Consumer | Traditional Loans and Leases | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans and leases	0	0
Consumer | Traditional Loans and Leases | 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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- 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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