Note 8 - Leases - Lease Income (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Fixed lease income (1)	[1]	$ 212,393	$ 218,873
Variable lease income (2)	[2]	60,776	57,189
Above-market and below-market leases amortization, net		5,702	9,942
Total lease income		$ 278,871	$ 286,004

[1] Includes minimum base rents, expense reimbursements, ancillary income and straight-line rent adjustments.

[2] Includes minimum base rents, expense reimbursements, percentage rent, lease termination fee income and ancillary income.