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Investment Securities - Debt Securities, Held-to-Maturity, Credit Quality Indicator (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | $ 840,259 | $ 0
Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 361,107 |
Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 7,189 |
Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 1,928 |
Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 204,495 |
Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 151,711 |
Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 113,829 |
Credit Rating, AAA Rating |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 63,066 |
Credit Rating, AAA Rating | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AAA Rating | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AAA Rating | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AAA Rating | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AAA Rating | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AAA Rating | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 63,066 |
Credit Rating, AA Rating |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 7,109 |
Credit Rating, AA Rating | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AA Rating | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AA Rating | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AA Rating | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AA Rating | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, AA Rating | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 7,109 |
Credit Rating, A Rating |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 34,405 |
Credit Rating, A Rating | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, A Rating | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, A Rating | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, A Rating | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, A Rating | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, A Rating | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 34,405 |
Credit Rating, BBB Rating |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 9,249 |
Credit Rating, BBB Rating | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, BBB Rating | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, BBB Rating | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, BBB Rating | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, BBB Rating | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 0 |
Credit Rating, BBB Rating | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 9,249 |
Not Rated |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 726,430 |
Not Rated | Asset-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 361,107 |
Not Rated | Agency-guaranteed residential mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 7,189 |
Not Rated | Agency-guaranteed commercial mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 1,928 |
Not Rated | Agency-guaranteed residential collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 204,495 |
Not Rated | Agency-guaranteed commercial collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | 151,711 |
Not Rated | Private label collateralized mortgage obligations |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities held to maturity | $ 0 |

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- Definition Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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