ACQUISITIONS ACQUISTIONS - Narrative (Details) $ in Millions		12 Months Ended
	Aug. 01, 2018 USD ($) shares	Sep. 30, 2019 USD ($) Lease repossessed_assets
Business Acquisition [Line Items]
Number of assets repossessed | repossessed_assets		173
Number of assets in underlying asset class, identified for repossession | repossessed_assets		176
Crestmark Bancorp, Inc.
Business Acquisition [Line Items]
Number of operating leases | Lease		2
Total consideration paid | $	$ 295.8
Equity interest issued (in shares) | shares	9,919,512
DC Solar
Business Acquisition [Line Items]
Number of operating leases | Lease		3
Goodwill recognized | $		$ 3.8