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DIVESTITURE - Narrative (Details) - Community Bank - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2020
Mar. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Non-recurring income $ 19,300  
Non-recurring expense   $ 300
Compensation and benefits expense 300 300
Legal and consulting expense 600 600
Disposal Group, Including Discontinued Operation, IT Consulting Expenses 200 200
Disposal Group, Including Discontinued Operation, Consulting Expenses $ 800 $ 800