Note 26 - Accumulated Other Comprehensive Income ("AOCI") - Changes in Components of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 5,670,254	$ 4,928,907	$ 5,411,053
Other comprehensive income	2,216	0	0
Balance	10,110,182	5,670,254	$ 4,928,907
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Balance	0
Other comprehensive income before reclassifications	2,216
Amounts reclassified from AOCI	0
Other comprehensive income	2,216
Balance	$ 2,216	$ 0