Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Provision

The components of our consolidated income tax provision from continuing operations are as follows.

Income tax provision
	Years Ended December 31,
(In thousands)	2024		2023			2022
Current provision (benefit)	$	4,575	$	(633	)	$	2,920
Deferred provision		162,275		165,001			206,925
Total income tax provision	$	166,850	$	164,368		$	209,845

Schedule of Reconciliation of Taxes Computed at Statutory Rate to Provision for Income Taxes

The reconciliation of taxes computed at the statutory tax rate of 21% in 2024, 2023 and 2022 to the provision for income taxes is as follows.

Reconciliation of provision for income taxes
	Years Ended December 31,
	2024						2023						2022
(In thousands)	$			% of Pretax Income			$			% of Pretax Income			$			% of Pretax Income
Provision for income taxes computed at the statutory tax rate	$	161,971			21.0	%	$	161,172			21.0	%	$	200,084			21.0	%
Change in tax resulting from:
State tax provision (benefit), net of federal impact		537			0.1	%		8,988			1.2	%		20,869			2.2	%
Valuation allowance		3,236			0.4	%		(6,283	)		(0.8	)%		(13,791	)		(1.4	)%
Nondeductible compensation expense		8,668			1.1	%		4,659			0.6	%		4,413			0.5	%
Other nontaxable or nondeductible items		(6,344	)		(0.8	)%		(1,679	)		(0.3	)%		1,997			0.1	%
Other, net		(1,218	)		(0.2	)%		(2,489	)		(0.3	)%		(3,727	)		(0.4	)%
Income tax provision	$	166,850			21.6	%	$	164,368			21.4	%	$	209,845			22.0	%

Schedule of Components of Deferred Tax Assets and Liabilities

The significant components of our net deferred tax assets and liabilities from continuing operations are summarized as follows.

Deferred tax assets and liabilities
	December 31,
(In thousands)	2024			2023
Deferred tax assets
Net unrealized loss on investments	$	93,201		$	88,065
State income taxes		46,463			46,170
Unearned premiums		24,928			24,948
Goodwill and intangibles		24,393			29,197
Capitalized research and development		16,060			12,450
Accrued expenses		11,983			10,829
Other		42,562			43,227
Total gross deferred tax assets		259,590			254,886
Less: Valuation allowance		66,590			63,354
Total deferred tax assets		193,000			191,532
Deferred tax liabilities
Contingency reserve		925,152			755,481
Other		14,533			25,615
Total deferred tax liabilities		939,685			781,096
Net deferred tax asset (liability)	$	(746,685	)	$	(589,564	)

Schedule of Reconciliation of Unrecognized Tax Benefits, Excluding Interest and Penalties

A reconciliation of the beginning and ending gross unrecognized tax benefits, excluding interest and penalties, is as follows.

Reconciliation of gross unrecognized tax benefits
	Years Ended December 31,
(In thousands)	2024			2023			2022
Balance at beginning of period	$	19,931		$	20,810		$	19,888
Tax positions related to the current year:
Increases		698			314			1,791
Decreases		—			(290	)		—
Tax positions related to prior years:
Increases		18,742			20,387			17,666
Decreases		(106	)		(667	)		(17	)
Lapses of applicable statute of limitation		(18,631	)		(20,623	)		(18,518	)
Balance at end of period	$	20,634		$	19,931		$	20,810
Net unrecognized tax benefits that, if recognized, would affect the effective tax rate	$	4,843		$	3,519		$	2,827