Stock Transactions and Unit Redemptions - Schedule of Share Repurchase Activity (Details) - Class A Common Stock - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended				9 Months Ended
	Sep. 30, 2022	Aug. 31, 2022	Jul. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Class of Stock
Treasury stock repurchases (in shares)	4,436,461	3,337,037	2,390,179	10,163,677	11,370,647	1,682,871	6,307,802	23,217,195	10,800,143
Average price paid per unit or share (in dollars per share)	$ 10.20	$ 10.68	$ 10.19	$ 10.36	$ 12.75	$ 18.35		$ 12.10
Approximate Dollar Value of Units and Shares That May Yet Be Repurchased/ Purchased Under the  Program	$ 146,927			$ 146,927				$ 146,927