Schedule II - Condensed Financial Information of the Registrant (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets
Investments in consolidated affiliates	$ 151,020	$ 156,444
Other	18,672	24,037
Total assets	2,471,108	2,270,090
Liabilities
Long-term debt	50,000
Total liabilities	1,578,797	1,441,626
Shareholders' equity	892,311	828,464	$ 804,267	$ 811,999
Total liabilities and shareholders' equity	2,471,108	2,270,090
Registrant
Assets
Investments in consolidated affiliates	943,978	829,749
Total assets	943,978	829,749
Liabilities
Long-term debt	50,000
Accounts payable and other liabilities	1,667	1,285
Total liabilities	51,667	1,285
Shareholders' equity	892,311	828,464
Total liabilities and shareholders' equity	$ 943,978	$ 829,749