Repurchase Agreements (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	$ 162,439	$ 237,984
Certificates of Deposit, at Carrying Value	1,000	1,000
Retail [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	162,439	237,984
Retail [Member] | Obligations of states and political subdivisions
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	1,522	1,361
Retail [Member] | Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	90,015	117,654
Retail [Member] | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase	$ 70,902	$ 118,969