Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

	Years Ended December 31,
	2021		2020		2019
Income before taxes
U.S.	$	184,963	$	54,902	$	53,231
Non-U.S.	153		131		117
	$	185,116	$	55,033	$	53,348

Schedule of Components of Income Tax Expense (Benefit)

Income tax expense (benefit) consists of:

	Years Ended December 31,
	2021		2020		2019
Current Provision:
Federal	$	34,079	$	(10,289)	$	2,519
State	6,504		1,605		1,007
Non-U.S.	35		20		24
Total current provision	$	40,618	$	(8,664)	$	3,550
Deferred Provision:
Federal	$	2,256	$	17,853	$	7,536
State	2,445		(240)		907
Non-U.S.	6		7		8
Total deferred provision	4,707		17,620		8,451
Total income tax expense (benefit)	$	45,325	$	8,956	$	12,001

Schedule of Effective Income Tax Rate Reconciliation

The U.S. federal statutory income tax rate is reconciled to the effective income tax rate as follows:

	Years Ended December 31,
	2021		2020		2019
U.S. federal statutory income tax rate	21.0	%	21.0	%	21.0	%
U.S. state income taxes	3.0	%	2.0	%	2.8	%
U.S. state income tax rate change	0.8	%	—	%	—	%
Energy credit	—	%	(6.2)	%	—	%
Forfeitures, cancellations and shortfalls of equity compensation	—	%	0.3	%	—	%
Executive compensation limitations	1.0	%	0.9	%	1.5	%
Research and other tax credits	(0.3)	%	(2.6)	%	(3.0)	%
Foreign derived intangible income deduction	(0.9)	%	—	%	—	%
Other, net	(0.1)	%	0.9	%	0.2	%
	24.5	%	16.3	%	22.5	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences which give rise to future income tax benefits and expenses are as follows:

	December 31,
	2021		2020
Deferred tax assets:
Net Operating Loss	$	51	$	107
Accruals and Reserves	7,040		4,966
Inventory	5,934		4,439
Pension Obligation	2,500		8,028
Operating lease liability	32,902		27,358
Equity Compensation	2,584		1,793
Other	421		900
Total gross deferred tax assets	51,432		47,591
Less: Valuation Allowance	—		—
Total deferred tax assets	$	51,432	$	47,591
Deferred tax liabilities:
Property, plant & equipment	$	(146,717)	$	(140,735)
Intangibles	(3,721)		(3,744)
Operating lease asset	(32,782)		(27,262)
Other	(1,542)		(1,417)
Total deferred tax liabilities	(184,762)		(173,158)
Net deferred taxes	$	(133,330)	$	(125,567)

Schedule of Unrecognized Tax Benefits

The following table sets forth the change in the Company's unrecognized tax benefits (UTBs) for year ended December 31, 2021 and 2020. There are no unrecognized tax benefits in 2019.

	December 31,
	2021		2020
Unrecognized tax benefits - January 1	$	—	$	—
Gross amounts of decreases in UTBs for tax positions related to the prior year	—		(3,804)
Gross amounts of increases in UTBs for tax positions related to the prior year	—		3,804
Gross amounts of increases and decreases in UTBs for tax positions taken during the current period	—		—
Unrecognized tax benefits - December 31	$	—	$	—