Income Taxes (Reconciliation of Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of income tax expense computed by applying federal corporate tax rate
Tax at statutory rate on earnings from continuing operations before unconsolidated entities, noncontrolling interest and income taxes	$ (34,127)	$ 27,132	$ 77,803
State income taxes, net of federal benefit	(8,256)	(1,967)	2,341
Change in valuation allowance from ordinary operations	59,572	86,359	(47,227)
Tax at statutory rate on earnings not subject to federal income taxes	(22,869)	(53,808)	(90,862)
Foreign rate differential and foreign taxes	4,405	3,342	1,407
Change in tax status of TRS	3,485	(150,287)	(52)
Other differences	2,617	(7,305)	280
Income tax expense (benefit)	$ 4,827	$ (96,534)	$ (56,310)