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Securities - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items] |  |  |
Unrealized loss | $ 32,674,000 | $ 0 |
Proceeds from sale and maturity of securities | 81,016,000 | 0 |
Gains (losses) from sale of securities | 0 |  |
Gross investment gains |  |  | $ 446,000
Gross investment losses |  |  | $ 293,000
Asset Pledged as Collateral without Right |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |
Debt securities, carrying value | $ 428,721,000 | $ 465,665,000 |

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- Definition Marketable Securities, Gross Losses + References No definition available. + Details
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- Definition Amount, after 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), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References No definition available. + Details
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 + Details
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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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