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Securities - Available for sale Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 551,477 | $ 557,128
Gross Unrealized Gains | 891 | 365
Gross Unrealized Losses | (38,743) | (44,902)
Fair Value | 513,625 | 512,591
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 58,546 | 60,886
Gross Unrealized Losses | (1,591) | (2,053)
Fair Value | 56,955 | 58,833
U.S. government agencies and corporations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 136,877 | 143,241
Gross Unrealized Losses | (10,781) | (12,967)
Fair Value | 126,096 | 130,274
Mortgage-backed securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 200,248 | 200,393
Gross Unrealized Gains | 113 | 65
Gross Unrealized Losses | (17,870) | (20,540)
Fair Value | 182,491 | 179,918
Obligations of states and political subdivisions |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 130,550 | 127,317
Gross Unrealized Gains | 778 | 300
Gross Unrealized Losses | (5,289) | (6,790)
Fair Value | 126,039 | 120,827
Corporate and other debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 25,256 | 25,291
Gross Unrealized Losses | (3,212) | (2,552)
Fair Value | $ 22,044 | $ 22,739

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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- Definition Amount excluding accrued interest, 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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