Schedule III - Supplementary Insurance Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule III - Supplementary Insurance Information
Deferred Policy Acquisition Costs	$ 111,791	$ 105,474	$ 91,917
Future Policy Benefits, Losses, Claims and Loss Expenses	761,739	671,669	603,081
Unearned Premiums	654,803	619,916	528,150
Earned Premiums	1,139,011	1,010,704	834,414
Premium Revenue	1,139,011	1,010,704	834,414
Net Investment Income	62,732	55,720	56,377
Benefits, Claims, Losses, and Settlement Expenses	797,182	716,637	642,302
Amortization of Deferred Policy Acquisition Costs	220,893	207,016	161,630
Other Operating Expenses	109,503	98,306	94,950
Premiums Written	$ 1,175,637	$ 1,093,405	$ 925,295