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Repurchase Agreements (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | $ 1,135,878 | $ 1,256,226
Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 232,577 | 215,431
Securities Sold under Agreements to Repurchase [Member] | Asset Pledged as Collateral [Member] |  |
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | 294,700 | 273,800
Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 146,668 | 136,574
Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 500
30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 2,358 | 65,000
Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 83,551 | 13,357
U.S. Treasury and Government Agencies [Member] |  |
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | 351,339 | 381,932
U.S. Treasury and Government Agencies [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 44,669 | 26,524
U.S. Treasury and Government Agencies [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 20,374 | 21,679
U.S. Treasury and Government Agencies [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 34
U.S. Treasury and Government Agencies [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 39 | 2,979
U.S. Treasury and Government Agencies [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 24,256 | 1,832
State and Political Subdivisions [Member] |  |
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | 244,478 | 265,102
State and Political Subdivisions [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 112,422 | 108,867
State and Political Subdivisions [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 103,232 | 96,627
State and Political Subdivisions [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 466
State and Political Subdivisions [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 1,760 | 9,634
State and Political Subdivisions [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 7,430 | 2,140
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] |  |
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | 452,298 | 520,085
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 73,951 | 79,736
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 21,527 | 17,964
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 0
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 559 | 52,387
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 51,865 | 9,385
Asset-backed Securities [Member] |  |
Financial Instruments Pledged as Collateral [Abstract] |  |
Debt securities available-for-sale | 87,763 | 89,107
Asset-backed Securities [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 1,535 | 304
Asset-backed Securities [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 1,535 | 304
Asset-backed Securities [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 0
Asset-backed Securities [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | 0 | 0
Asset-backed Securities [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member] |  |
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract] |  |
Repurchase agreements and repurchase-to-maturity transactions | $ 0 | $ 0

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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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 not subject to a master netting arrangement and elected not to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 + Details
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