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Repurchase Agreements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Assets Sold under Agreements to Repurchase [Line Items]    
Maturity period 1 day  
Repurchase agreement obligations $ 35,683 $ 20,169
Residential mortgage-backed securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreement obligations 7,388 8,452
Commercial mortgage-backed securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreement obligations $ 28,295 $ 11,717