Borrowings - Components of Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt	$ 190,000	$ 200,000
Debt Issuance Costs, Net	854	570
Total borrowings	189,146	199,430
Senior notes \| Series D
Debt Instrument [Line Items]
Long-term debt	0	$ 60,000
Interest Rate Per Annum		4.29%
Senior notes \| Series E
Debt Instrument [Line Items]
Long-term debt	$ 50,000	$ 50,000
Interest Rate Per Annum	4.53%
Senior notes \| Series F
Debt Instrument [Line Items]
Long-term debt	$ 90,000	90,000
Interest Rate Per Annum	3.10%
Senior notes \| Series G Senior Notes
Debt Instrument [Line Items]
Long-term debt		0
Interest Rate Per Annum	5.43%
Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 0

Contractual interest rate for funds borrowed, under the debt agreement.

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