Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule Of Income Taxes From Continuing Operations

The following table summarizes the income (loss) from continuing operations before income taxes in the following jurisdictions:

	(Thousands of Dollars)
	Year Ended December 31,
	2022		2021		2020
Domestic	$	317,213	$	(157,713)	$	(357,250)
Foreign	2,316		39,976		11,837
	$	319,529	$	(117,737)	$	(345,413)

Schedule Of Components Of Income Tax Provision

The components of the Company’s income tax provision are as follows:

	(Thousands of Dollars)
	Year Ended December 31,
	2022		2021		2020
Current:
State	$	4,549	$	(54)	$	(297)
Foreign	—		1,677		1,858
Total current income tax provision	$	4,549	$	1,623	$	1,561
Deferred:
Federal	$	10	$	55	$	(158)
State	1		8		53
Foreign	—		—		14
Total deferred income tax provision	11		63		(91)
	$	4,560	$	1,686	$	1,470

Schedule Of Effective Income Tax Rate Reconciliation

The following table presents the reconciliation of the Company’s income taxes calculated at the statutory federal tax rate, currently 21%, to the income tax provision in its Consolidated Statements of Operations and Comprehensive Income (Loss). State income tax expense, net of federal benefit includes the current state income tax, return to accrual adjustments for filed returns and the state deferred tax impact before changes in valuation allowance which are stated separately. The Company’s effective tax rate for 2022 of 1.43% differs from the statutory rate, primarily due to state taxes, permanent differences and a change in the valuation allowance. The Company’s effective tax rate for 2021 was (1.43)%.

	(Thousands of Dollars)
	December 31, 2022		December 31, 2021		December 31, 2020
Income tax provision computed at the statutory federal rate	$	67,101	$	(24,724)	$	(72,537)
Reconciling items:
State income taxes, net of federal tax benefit	14,599		(1,959)		(12,222)
Deferred tax asset valuation adjustment	(79,934)		25,306		82,557
Permanent differences	2,909		2,796		4,589
Foreign withholding taxes	—		1,683		1,870
Other	(115)		(1,416)		(2,787)
Income tax provision	$	4,560	$	1,686	$	1,470

Schedule Of Deferred Tax Assets And Liabilities

Deferred income taxes are provided to reflect the future tax consequences or benefits of differences between the tax basis of assets and liabilities and their reported amounts in the financial statements using enacted tax rates.

	(Thousands of Dollars)
	Year Ended December 31,
	2022		2021		2020
Deferred tax assets:
Stock-based compensation	$	6,722	$	6,247	$	4,972
Net operating loss and other carry-forwards	278,983		364,882		284,151
Accruals and other	20,059		14,472		15,535
Gross deferred tax assets	305,764		385,601		304,658
Valuation allowance	(235,213)		(318,260)		(294,101)
Total deferred tax assets	$	70,551	$	67,341	$	10,557
Deferred tax liability:
PP&E and intangibles	$	(68,643)	$	(65,163)	$	(8,317)
Prepaids and other	(1,982)		(2,241)		(2,240)
Total deferred tax liability	(70,625)		(67,404)		(10,557)
Net deferred tax liability	$	(74)	$	(63)	$	—

Schedule Of Valuation Allowance For Deferred Tax Assets

Changes in the valuation allowance for deferred tax assets were as follows:

	(Thousands of Dollars)
Valuation allowance as of the beginning of January 1, 2022	$	318,260
Charge as (benefit) expense to income tax provision for current activities	(79,934)
Changes to other comprehensive income (loss)	(3,113)
Valuation allowance as of December 31, 2022	$	235,213