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Securities Sold Under Agreements to Repurchase - Remaining Contractual Maturities of Repurchase Agreements by Class of Collateral Pledged (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | $ 450,490 | $ 450,490
Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 490 | 490
Residential - Government Agencies |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 46,784 | 52,092
Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 403,216 | 397,908
Maturity Up To 90 Days |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity Up To 90 Days | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity Up To 90 Days | Residential - Government Agencies |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity Up To 90 Days | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 91 To 365 Days |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 91 To 365 Days | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 91 To 365 Days | Residential - Government Agencies |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 91 To 365 Days | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 1 To 3 Years |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 275,000 | 275,000
Maturity 1 To 3 Years | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 0 | 0
Maturity 1 To 3 Years | Residential - Government Agencies |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 33,710 | 38,685
Maturity 1 To 3 Years | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 241,290 | 236,315
Maturity After 3 Years |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 175,490 | 175,490
Maturity After 3 Years | Debt Securities Issued by States and Political Subdivisions |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 490 | 490
Maturity After 3 Years | Residential - Government Agencies |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | 13,074 | 13,407
Maturity After 3 Years | Residential - U.S. Government-Sponsored Enterprises |  |
Assets Sold Under Agreements To Repurchase [Line Items] |  |
Securities Sold under Agreements to Repurchase | $ 161,926 | $ 161,593

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- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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