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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Fair Value of Financial Instruments - Schedule of Fair Value Measurement Inputs (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 872,903	$ 879,571
Corporate Securities \| Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 7,987
Corporate Securities \| Level 3 \| Measurement Input, Liquidity Premium \| Valuation Technique, Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range of Discounts	0.02
Municipal Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 291,520	$ 303,773
Municipal Securities \| Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 26,307
Municipal Securities \| Level 3 \| Measurement Input, Liquidity Premium \| Valuation Technique, Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range of Discounts	0.01