Note 7 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net operating loss carry forwards	$ 769,518	$ 760,720
Employee compensation and benefits	8,817	10,224
Depreciation	82,188	77,174
Other	60,698	53,202
Investment in partnership	12,443	0
Intangibles	13,114	13,485
Valuation allowance	(872,365)	(862,201)	$ (881,286)	$ (829,087)
Total deferred tax assets	74,413	52,604
Depreciation	(46,004)	(26,172)
Goodwill and other intangibles	(52,773)	(32,955)
Investment in partnership	(289)	(1,274)
Other	(19,657)	(14,909)
Total deferred tax liabilities	(118,723)	(75,310)
Net deferred tax liabilities	$ (44,310)	$ (22,706)

Amount of deferred tax liability attributable to taxable temporary differences.

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