Earnings per share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Net Income	$ 128,699	$ 132,270	$ 348,385	$ 238,041
Net (income) loss attributable to the noncontrolling interest	(419)	(51)	(861)	433
Adjustment of redeemable noncontrolling interest to redemption value	116	(229)	(32)	(1,086)
Earnings available to common shareholders, basic	128,396	131,990	347,492	237,388
Earnings available to common shareholders, diluted	$ 128,396	$ 131,990	$ 347,492	$ 237,388
Weighted average number of common shares outstanding - basic (in shares)	221,805	219,579	221,314	218,997
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average number of common shares outstanding - diluted (in shares)	222,799	219,977	222,172	219,423
Net income per share – basic (in dollars per share)	$ 0.58	$ 0.60	$ 1.57	$ 1.08
Net income per share – diluted (in dollars per share)	$ 0.58	$ 0.60	$ 1.56	$ 1.08
Restricted stock units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities (in shares)	749	180	626	163
Performance shares
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities (in shares)	245	216	231	262
Stock options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities (in shares)	0	2	1	1