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Basis of Accounting and Consolidation - Schedule of Components of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Balance $ 633,894 $ 568,228 $ 526,609 $ 475,864
Accumulated Other Comprehensive Income (Loss)        
Net unrealized losses on securities available-for-sale (1,170) (24,077)    
Tax benefit 339 6,982    
Balance (831) 17,095 $ 8,360 $ (6,473)
Net unrealized gains on securities available-for-sale 1,170 24,077    
Tax expense $ (339) $ (6,982)