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Related Party Transactions - Additional Information (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Related Party Transactions [Abstract]      
Loans to related parties $ 55,125,000 $ 88,536,000 $ 94,006,000
Related Party Deposit Liabilities $ 48,478,000 $ 51,798,000