v3.21.2

EQUITY - NARRATIVE (Details) - USD ($)	3 Months Ended		9 Months Ended		77 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Oct. 25, 2021	May 31, 2015
Common Shares
Class of Stock [Line Items]
Authorized amount of issued and outstanding common shares available for repurchase							$ 500,000,000
Repurchase of common shares (in shares)	1,298,384	0	1,298,384	2,546,000	8,551,824
Repurchase of common shares for the period	$ 100,000,000		$ 100,000,000	$ 100,000,000	$ 500,000,000
Common Stock Issued and Outstanding | Subsequent event
Class of Stock [Line Items]
Authorized amount of issued and outstanding common shares available for repurchase						$ 500,000,000

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