Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Investments
Total investments available for sale	$ 5,966,537	$ 5,876,721
Other invested assets	359,823	303,900
Total investments	6,326,360	6,180,621
Cash	92,116	131,480
Accrued investment income	45,940	43,732
Accounts receivable	52,340	55,564
Deferred policy acquisition costs	9,237	9,653
Property and equipment (at cost, less accumulated depreciation of $74,283 in 2025 and $72,270 in 2024)	42,434	41,871
Prepaid federal income tax	497,356	489,600
Goodwill and acquired intangible assets, net	78,855	79,556
Other assets	75,923	79,572
Total assets	7,220,561	7,111,649
Liabilities
Reserve for losses and LAE	364,749	328,866
Unearned premium reserve	102,382	115,983
Net deferred tax liability	427,202	392,428
Senior Notes due 2029, net	494,630	493,959
Other liabilities	158,750	176,755
Total liabilities	1,547,713	1,507,991
Commitments and contingencies (see Note 7)
Stockholders’ Equity
Common shares, $0.015 par value: Authorized - 233,333; issued and outstanding - 0 shares in 2025 and 105,015 shares in 2024	1,493	1,575
Additional paid-in capital	888,337	1,214,956
Accumulated other comprehensive loss	(215,666)	(303,984)
Retained earnings	4,998,684	4,691,111
Total stockholders’ equity	5,672,848	5,603,658
Total liabilities and stockholders’ equity	7,220,561	7,111,649
Fixed maturities
Investments
Total investments available for sale	5,383,504	5,112,697
Short-term investments
Investments
Total investments available for sale	$ 583,033	$ 764,024