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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Purchases and Sales Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2016	Oct. 27, 2016
Receivables [Abstract]
Premium on loans and leases purchased	$ 2.3
Commercial Equipment Finance | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equipment leases disposed of		$ 242.7	$ 217.2

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- Definition

Financing Receivable, Significant Purchases, Premium

+ References

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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