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FHLB Advances, Other Borrowings and Junior Subordinated Notes PPPLF (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Junior subordinated notes and other borrowings $ 429,229 $ 329,429
Borrowed funds, interest rate during period 1.91% 2.87%