Consolidated Entities and Acquisitions - ISP Fund LP (Details) - USD ($)		3 Months Ended		6 Months Ended
	Mar. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	May 31, 2021	Dec. 31, 2020
CONSOLIDATED ENTITIES
Total assets		$ 1,118,241,000		$ 1,118,241,000		$ 1,231,497,000
ISP Fund LP
CONSOLIDATED ENTITIES
Distribution from partnership							$ 110,000,000
Economic interest of the Partnership (in percent)				100.00%
Total assets		319,400,000		$ 319,400,000		320,600,000
Total liabilities		700,000		700,000		$ 1,600,000
Gain (Loss) on Investments		3,800,000	$ 6,500	300,000	$ 4,400,000
Net investment-related income (expense) earned (incurred)		$ 600,000	$ (500,000)	$ 100,000	$ (700,000)
Capital contribution	$ 110,000,000							$ 300,000,000
Lock-up period	36 months