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BORROWINGS, SUBORNIDATED NOTES AND DEBENTURES - NARRATIVE (Details) - USD ($)
Jan. 28, 2019
Mar. 31, 2019
Jun. 30, 2018
Debt Instrument [Line Items]      
Long term debt outstanding   $ 214,477,000 $ 54,552,000
Secured lines of credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   155,000,000.0  
Long term debt outstanding   117,300,000  
Unsecured line of credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   35,000,000.0  
Long term debt outstanding   $ 35,000,000.0  
Subordinated notes      
Debt Instrument [Line Items]      
Subordinated notes issues $ 7,500,000    
Subordinated notes maturity 15 months    
Interest rate per annum (as a percentage) 6.25%