Schedule VI - Supplemental Information Concerning Property and Casualty Insurance Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Supplemental Information Concerning Property and Casualty Insurance Operations
Earned Premiums	$ 1,139,011	$ 1,010,704	$ 834,414
Current year	841,734	768,531	689,683
Prior year	(44,552)	(51,894)	(47,381)
Consolidated Property & Casualty Subsidiaries
Supplemental Information Concerning Property and Casualty Insurance Operations
Deferred Policy Acquisition Costs	111,791	105,474	91,917
Reserves for Unpaid Claims and Claims Adjustment 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
Net Investment Income	62,732	55,720	56,377
Current year	841,734	768,531	689,683
Prior year	(44,552)	(51,894)	(47,381)
Amortization of Deferred Policy Acquisition Costs	220,893	207,016	161,630
Paid Claims and Claims Adjustment Expenses	725,761	666,218	608,048
Premiums Written	$ 1,175,637	$ 1,093,405	$ 925,295