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Securities - HTM Portfolio Credit Rating (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
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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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
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-Section 50
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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