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SUBORDINATED NOTES (Details) - USD ($)
3 Months Ended
Aug. 15, 2021
Jun. 10, 2020
Aug. 08, 2016
Mar. 31, 2022
Mar. 31, 2021
Subordinated Borrowing [Line Items]          
Public offering and sale of subordinated notes     $ 75,000,000.0    
Subordinated note interest rate   5.50% 5.25%    
Amortization of debt discount (Premium)       $ 74,000 $ 183,000
Subordinated borrowing, interest rate       5.97%  
Senior Subordinated Notes          
Subordinated Borrowing [Line Items]          
Public offering and sale of subordinated notes   $ 75,000,000.0      
Spread on variable rate   5.325%      
Proceeds from issuance of senior long-term debt   $ 73,500,000 $ 73,500,000    
Payment of financing and stock issuance costs   $ 1,500,000 $ 1,500,000    
Expected life of the notes   5 years 5 years    
Principal amount redeemed $ 75,000,000.0        
Redemption price as percentage of aggregate principal balance 100.00%        
Senior Subordinated Notes | 90-day LIBOR          
Subordinated Borrowing [Line Items]          
Spread on variable rate     4.087%