Note 1 - Organization and Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Cash and cash equivalents	$ 674,020	$ 665,865
Restricted cash	86,114	58,696
Total cash, cash equivalents and restricted cash	$ 760,134	$ 724,561