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Securities - HTM Portfolio Credit Rating (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | $ 232,249 | $ 189,168
Standard & Poor's, AAA Rating | Moody's, Aaa Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 95 |
Standard & Poor's, AA+ Rating | Moody's, Aa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 9,831 |
Standard & Poor's, AA Rating | Moody's, Aa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 1,539 |
Standard & Poor's, A+ Rating | Moody's, A1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 1,794 |
Standard & Poor's, A Rating | Moody's, A2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 5,644 |
Standard & Poor's, A- Rating | Moody's, A3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 4,512 |
Standard & Poor's, BBB+ Rating | Moody's, Baa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 9,500 |
Standard & Poor's, BBB Rating | Moody's, Baa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 8,500 |
Standard & Poor's, BBB- Rating | Moody's, Baa3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 12,528 |
Standard & Poor's Not Rated | Moody's, Not Rated Agency |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 176,306 |
Standard & Poor's, BB+ Rating | Moody's, Ba1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 2,000 |
Municipal securities |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 13,903 | $ 13,946
Municipal securities | Standard & Poor's, AAA Rating | Moody's, Aaa Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 95 |
Municipal securities | Standard & Poor's, AA+ Rating | Moody's, Aa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 9,831 |
Municipal securities | Standard & Poor's, AA Rating | Moody's, Aa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 1,539 |
Municipal securities | Standard & Poor's, A+ Rating | Moody's, A1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 1,794 |
Municipal securities | Standard & Poor's, A Rating | Moody's, A2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 644 |
Municipal securities | Standard & Poor's, A- Rating | Moody's, A3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Municipal securities | Standard & Poor's, BBB+ Rating | Moody's, Baa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Municipal securities | Standard & Poor's, BBB Rating | Moody's, Baa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Municipal securities | Standard & Poor's, BBB- Rating | Moody's, Baa3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Municipal securities | Standard & Poor's Not Rated | Moody's, Not Rated Agency |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Municipal securities | Standard & Poor's, BB+ Rating | Moody's, Ba1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Other |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 218,346 |
Other | Standard & Poor's, AAA Rating | Moody's, Aaa Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Other | Standard & Poor's, AA+ Rating | Moody's, Aa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Other | Standard & Poor's, AA Rating | Moody's, Aa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Other | Standard & Poor's, A+ Rating | Moody's, A1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 0 |
Other | Standard & Poor's, A Rating | Moody's, A2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 5,000 |
Other | Standard & Poor's, A- Rating | Moody's, A3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 4,512 |
Other | Standard & Poor's, BBB+ Rating | Moody's, Baa1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 9,500 |
Other | Standard & Poor's, BBB Rating | Moody's, Baa2 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 8,500 |
Other | Standard & Poor's, BBB- Rating | Moody's, Baa3 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 12,528 |
Other | Standard & Poor's Not Rated | Moody's, Not Rated Agency |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | 176,306 |
Other | Standard & Poor's, BB+ Rating | Moody's, Ba1 Rating |  |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] |  |
Securities held-to-maturity, at amortized cost, net of allowance for credit losses (fair value of $201,650 and $168,483 in 2023 and 2022, respectively) | $ 2,000 |

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