Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) segment $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Investments
Maximum period considered for applying equity method accounting based on financial information provided by the investee	3 months
Net Investment Income	$ 62,732	$ 55,720	$ 56,377
Accounts Receivable
Premiums receivable, allowance for doubtful accounts	802	918
Deferred Policy Acquisition Costs
Amortization expense	220,893	207,016	161,630
Goodwill
Goodwill impairment	$ 0	0	0
Intangible Assets
Amortization period	10 years
Intangible assets amortization expense	$ 948	885	816
Expected annual amortization expense	$ 948
Revenue Recognition
Term over which premiums are earned	1 year
Deferred revenue	$ 15,546	10,144
Advertising Costs
Total advertising costs	2,544	2,125	2,405
Earnings per Weighted Average Common Share
Net income	99,255	70,734	18,875
Allocation for participating shares	(457)	(318)	(85)
Net income from continuing operations attributed to common shareholders	$ 98,798	$ 70,416	$ 18,790
Total weighted average common shares outstanding, including participating shares | shares	14,780,289	14,757,905	14,730,547
Less: weighted average participating shares | shares	(68,347)	(65,816)	(66,817)
Basic earnings per share denominator | shares	14,711,942	14,692,089	14,663,730
Common equivalent shares- non-vested performance stock grants | shares	33,183	25,029	46,401
Diluted earnings per share denominator | shares	14,745,125	14,717,118	14,710,131
Basic earnings per share (in dollars per share) | $ / shares	$ 6.72	$ 4.79	$ 1.28
Diluted earnings per share (in dollars per share) | $ / shares	6.7	4.78	1.28
Undistributed earnings attributable to common shareholders - basic
Net income from continuing operations attributable to common shareholders -Basic | $ / shares	6.72	4.79	1.28
Dividends declared | $ / shares	(3.64)	(3.6)	(3.6)
Undistributed earnings | $ / shares	3.08	1.19	(2.32)
Undistributed earnings attributable to common shareholders - diluted
Net income from continuing operations attributable to common shareholders -Diluted | $ / shares	6.7	4.78	1.28
Dividends declared | $ / shares	(3.64)	(3.6)	(3.6)
Undistributed earnings | $ / shares	$ 3.06	$ 1.18	$ (2.32)
Antidilutive common shares | shares	0	0	0
Segments
Number of reportable operating segment | segment	1
Fair Plan Restructuring
Investments
Fair plan trust investment	$ 14,209	$ 14,477
Net Investment Income	$ 616	$ 247
Minimum
Equipment and Leasehold Improvements
Estimated useful lives	3 years
Maximum
Equipment and Leasehold Improvements
Estimated useful lives	10 years