Net Assets - Summarizes The Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
March 31 2023
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)	36,061,530
Percentage of Outstanding Shares Repurchased	3.91%
Price Paid Per Share (in usd per share)	$ 24.77
Amount Repurchased	$ 893,037
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)	$ 0
June 30 2023
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)	48,450,063
Percentage of Outstanding Shares Repurchased	5.20%
Price Paid Per Share (in usd per share)	$ 24.86
Amount Repurchased	$ 1,204,418
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)	$ 0
August 31, 2023
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)	19,508,786
Percentage of Outstanding Shares Repurchased	2.04%
Price Paid Per Share (in usd per share)	$ 25.23
Amount Repurchased	$ 492,161
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)	$ 0
March 31, 2022
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)		2,146,916
Percentage of Outstanding Shares Repurchased		0.43%
Price Paid Per Share (in usd per share)		$ 25.82
Amount Repurchased		$ 54,464
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)		$ 0
June 30, 2022
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)		11,488,257
Percentage of Outstanding Shares Repurchased		1.66%
Price Paid Per Share (in usd per share)		$ 24.80
Amount Repurchased		$ 282,505
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)		$ 0
August 31, 2022
Class of Stock [Line Items]
Number of Shares Repurchased (in shares)		26,978,603
Percentage of Outstanding Shares Repurchased		3.19%
Price Paid Per Share (in usd per share)		$ 24.62
Amount Repurchased		$ 663,415
Maximum number of shares that may yet be purchased under the repurchase plan (in shares)		$ 0