Issuances of Common Stock - At-the-Market (ATM) Program (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023
At-the-Market (ATM) Program
Net proceeds			$ 2,976,683	$ 1,712,696
ATM Program
At-the-Market (ATM) Program
At-the-Market equity distribution program, authorized shares (in shares)	120,000,000		120,000,000
Shares remaining for future issuance (in shares)	24,300,000		24,300,000
Net proceeds	$ 2,180,500	$ 1,056,600	$ 2,976,700
Forward ATM offerings
At-the-Market (ATM) Program
Shares sold pursuant to forward sale confirmations (in shares)			4,900,000
Forward ATM offerings | Forecast
At-the-Market (ATM) Program
Proceeds from shares intended to settle					$ 287,000
Common stock | ATM Program
At-the-Market (ATM) Program
Shares of common stock issued (in shares)	35,475,153	15,899,972	48,139,631	25,973,181
Gross proceeds	$ 2,195,700	$ 1,067,300	$ 2,997,400	$ 1,727,500
Sales agents' commissions and other offering expenses	$ (15,200)	$ (10,700)	$ (20,700)	$ (14,800)
Weighted average forward price (in dollars per share)			$ 58.72
Common stock | Forward ATM offerings
At-the-Market (ATM) Program
Shares of common stock issued (in shares)	20,700,000		46,300,000
Shares settled pursuant to forward sale confirmations (in shares)	35,500,000		48,100,000
Common stock | Forward ATM offerings | Subsequent event
At-the-Market (ATM) Program
Weighted average forward price (in dollars per share)					$ 59.33