Fair Value - Quantitative information about recurring and non-recurring Level 3 fair value measurements (Details) $ in Thousands	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
State and municipal obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value		$ 805
State and municipal obligations | Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)		0.0424
State and municipal obligations | Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)		0.0444
Collateralized debt obligations | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0629	0.0662
Collateralized debt obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 2,902	$ 2,896
Collateral dependent loans | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 2,590	$ 3,099
Collateral dependent loans | Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.30	0.20
Collateral dependent loans | Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	1	1