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SUBORDINATED NOTES (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 10, 2020
Aug. 16, 2016
Aug. 08, 2016
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Public offering and sale of subordinated notes   $ 75,000,000          
Amortization of debt discount (Premium)       $ 183,000 $ 134,000 $ 366,000 $ 242,000
Subordinated Note Interest Rate 5.50%   5.25%        
Subordinated borrowing, interest rate           5.91% 5.91%
Senior Subordinated Notes              
Public offering and sale of subordinated notes $ 75,000,000            
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        
Aggregate principal balance redeemed           $ 75,000,000  
Interest rate 5.325%     5.25%   5.25%  
Redemption price as percentage of aggregate principal balance           100.00%  
Expected life of the notes 5 years   5 years        
Senior Subordinated Notes | 90-day LIBOR              
Spread on variable rate     4.087%