Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash paid for capitalized interest	$ 13,683	$ 15,690	$ 17,549
Early extinguishment of debt charges	7,538	1,531	13,308
Income tax refunds	$ 47	$ 3,452	$ 1,007