Note 14 - Earnings Per Share - Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended						9 Months Ended
		Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income		$ 38,779	$ 31,826	$ 50,257	$ 107,904	$ 77,561	$ (16,510)	$ 120,862	$ 168,955
Participating basic earnings (a)	[1]	(3,771)			(10,282)			(12,413)	(16,718)
Basic earnings attributable to common stockholders		35,008			97,622			108,449	152,237
Reallocation of participating earnings		54			176			192	300
Diluted net income attributable to common stockholders		$ 35,062			$ 97,798			$ 108,641	$ 152,537
Basic weighted average shares outstanding (in shares)		123,159			108,681			115,164	102,614
Dilutive warrants and unvested stock options (in shares)		1,688			4,315			3,208	4,408
Dilutive unvested restricted stock (in shares)		2,159			2,122			2,159	2,122
Diluted weighted average shares outstanding (in shares)		127,006			115,118			120,531	109,144

[1] Vested stock options represent participating securities because they participate in dividend equivalents with the common equity holders of the Company. Participating earnings represent the distributed and undistributed earnings of the Company attributable to the participating securities. Certain unvested restricted stock awarded to outside directors, employee members of the Board and certain employees do not represent participating securities because, while they participate in dividends with the common equity holders of the Company, the dividends associated with such unvested restricted stock are forfeitable in connection with the forfeitability of the underlying restricted stock. Unvested stock options do not represent participating securities because, while they participate in dividend equivalents with the common equity holders of the Company, the dividend equivalents associated with unvested stock options are forfeitable in connection with the forfeitability of the underlying stock options.