Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Common Shares	Additional Paid-in Capital	Accumulated Earnings	Non-controlling Interests	Total
Balance at Dec. 31, 2020	$ 656	$ 2,201,076	$ 189,910	$ 13,037	$ 2,404,679
Balance (in shares) at Dec. 31, 2020	65,548,415
Increase (Decrease) in Stockholders' Equity
Stock-based compensation and related share issuances		1,334			1,334
Stock-based compensation and related share issuances (in shares)	2,030
Distributions to non-controlling interests				(399)	(399)
Net income and comprehensive income			54,026	167	54,193
Dividends declared			(19,682)		(19,682)
Balance at Mar. 31, 2021	$ 656	2,202,410	224,254	12,805	2,440,125
Balance (in shares) at Mar. 31, 2021	65,550,445
Balance at Dec. 31, 2021	$ 656	2,206,159	381,929	12,467	2,601,211
Balance (in shares) at Dec. 31, 2021	65,564,364
Increase (Decrease) in Stockholders' Equity
Stock-based compensation and related share issuances		2,266			2,266
Stock-based compensation and related share issuances (in shares)	4,435
Distributions to non-controlling interests				(329)	(329)
Net income and comprehensive income			65,675	287	65,962
Dividends declared			(22,996)		(22,996)
Balance at Mar. 31, 2022	$ 656	$ 2,208,425	$ 424,608	$ 12,425	$ 2,646,114
Balance (in shares) at Mar. 31, 2022	65,568,799