Consolidated Statement Of Shareholders' Equity (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]
Net income attributable to redeemable noncontrolling interests	$ 1,595	$ 470	$ 3,472	$ 1,627
Other comprehensive income attributable to redeemable noncontrolling interest	$ 42	$ 0	$ 273	$ 0
Dividends declared to common shareholders (in dollars per share)	$ 1.07	$ 1.06	$ 3.19	$ 3.160
Distributions declared to redeemable noncontrolling interests	$ (1,310)	$ (152)	$ (3,045)	$ (999)
Contributions from redeemable noncontrolling interests	$ 0	$ 0	$ 74,530	$ 19,335