XML 92 R79.htm IDEA: XBRL DOCUMENT v3.22.4
Income Taxes - Summary of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Tax expense computed at federal statutory rate $ 159,569 $ 157,856 $ 96,077
State income tax expense, net of federal benefit 30,213 26,441 17,535
Limitation on executive compensation 23,778 14,915 8,102
Tax expense (benefit) related to an increase (decrease) in unrecognized tax benefits 215 (4,044) 473
Stock based compensation (windfall)/shortfall (2,553) (1,830) (7,907)
Federal energy credits (15,265) (14,558) (23,331)
Rate changes 19 81 (291)
Change in valuation allowance (1,065) (1,054) (2,128)
Other 2,804 230 1,400
Provision for income taxes $ 197,715 $ 178,037 $ 89,930
Effective tax rate 26.00% 23.70% 19.70%