Income Taxes (Tables)

3 Months Ended

Mar. 31, 2022

Effective Tax Rate Reconciliation Table [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The Company's provision for income taxes and resulting effective tax rates were as follows for the periods presented.

	Three months ended March 31,
In thousands, except tax rates	2022			2021
Current tax provision	$	96,102		$	—
Deferred tax provision	94,982			80,528
Provision for income taxes	191,084			80,528
Effective tax rate	24.1		%	23.6		%

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The Company's effective tax rate differs from the United States federal statutory tax rate due to the effect of state income taxes, equity compensation, changes in valuation allowances, and other tax items as reflected in the table below.

	Three months ended March 31,
In thousands, except tax rates	2022			2021
Income before income taxes	$	792,435		$	340,803
U.S. federal statutory tax rate	21.0		%	21.0		%
Expected income tax provision based on U.S. federal statutory tax rate	166,411			71,569
Items impacting the effective tax rate:
State and local income taxes, net of federal benefit	27,669			12,895
Equity compensation	(3,450)			5,990
Other, net	454			(5,031)
Change in valuation allowance	—			(4,895)
Provision for income taxes	$	191,084		$	80,528
Effective tax rate	24.1		%	23.6		%