Note 7 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net operating loss carry forwards	$ 771,963	$ 731,315
Employee compensation and benefits	9,977	12,958
Depreciation	66,300	44,253
Other	44,133	34,734
Investment in partnership	0	51,890
Intangibles	16,197	22,980
Valuation allowance	(881,286)	(829,087)	$ (512,711)	$ (443,398)
Total deferred tax assets	27,284	69,043
Depreciation	(13,630)	(1,935)
Goodwill and other intangibles	(36,968)	(42,784)
Investment in partnership	(911)	(48,856)
Other	(6,194)	(7,212)
Total deferred tax liabilities	(57,703)	(100,787)
Net deferred tax liabilities	$ (30,419)	$ (31,744)

Amount of deferred tax liability attributable to taxable temporary differences.

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