CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Net income (loss) attributable to noncontrolling interest	$ (7,431)	$ 22,881
Interest rate swaps, tax expense (benefit)	5,080	(5,260)	$ (6,161)
Pension adjustment, tax (expense) benefit	136	(87)	(41)
Capitalized swap interest, net of tax expense (benefit)			$ 20
Share of investee's other comprehensive income, tax expense (benefit)	$ 1,627	285
Deconsolidation of 110 North Wacker, tax expense		$ 951