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Note 7 - Income Taxes - Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Federal net operating loss carryforwards $ 0 $ 117,564
State net operating loss carryforwards 73,884 68,925
Operating lease liability 189,180 199,083
Share-based compensation 13,811 11,276
Other 66,378 60,895
Gross deferred income tax assets 343,253 457,743
Valuation allowance (67,525) (50,548)
Deferred income tax assets, net of valuation allowance 275,728 407,195
Difference between book and tax basis of property and intangible assets 307,194 295,343
State tax liability 40,216 41,028
Right-of-use asset 185,691 195,038
Other 7,539 6,838
Gross deferred income tax liabilities 540,640 538,247
Deferred income tax liabilities, net $ 264,912 $ 131,052