Fair Value - Quantitative information about recurring and non-recurring Level 3 fair value measurements (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
State and municipal obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 805	$ 1,180
State and municipal obligations | Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0424	0.0404
State and municipal obligations | Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0444	0.0444
Collateralized debt obligations | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0727	0.0736
Collateralized debt obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 2,892	$ 3,002
Collateral dependent loans | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 5,103	$ 11,306
Collateral dependent loans | Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0500	0.0000
Collateral dependent loans | Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	1.0000	1.0000