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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Troubled Debt Restructurings Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) Loan	Sep. 30, 2017 Loan	Sep. 30, 2018 USD ($) Loan	Sep. 30, 2017 USD ($) Loan	Dec. 31, 2017 USD ($)
Receivables [Abstract]
Accruing TDRs	$ 5,600,000		$ 5,600,000		$ 5,600,000
Nonaccruing TDRs	2,700,000		$ 2,700,000		$ 2,700,000
Post-Modification Outstanding Recorded Investment	$ 0
Number of loans modified that had payments default during the period | Loan	1	0	1	1
Aggregate principal, loans modified that had payments default during the period	$ 100,000		$ 100,000	$ 124,000

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

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-Publisher FASB
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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

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