Note 24 - Income Taxes - Statutory Income Tax to Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal (provision)/benefit at statutory tax rate (1)	[1]	$ (5,548)	$ (221)	$ 3,010
State and local provision, net of federal benefit (2)	[2]	2,796	(1,236)	(42)
Total tax (provision)/benefit – U.S.		$ (2,752)	$ (1,457)	$ 2,968

[1] The year ended December 31, 2019 includes a tax benefit from AMT credit refunds of $3.7 million and $1.1 million related to the recording of a deferred tax valuation allowance.

[2] The year ended December 31, 2020 includes $1.5 million of estimated state and local tax provision related to the REIT operations.