Variable Interest Entities ("VIEs") (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Variable Interest Entities
Carrying amount of investments in partially owned entities	$ 2,229,224	$ 1,941,278
Other assets	220,612	294,587
Assets	15,611,168	15,521,118
Liabilities	8,914,197	8,716,595
Unconsolidated VIEs
Variable Interest Entities
Carrying amount of investments in partially owned entities	285,715	264,336
Other assets	0	107,166
Maximum exposure to loss	351,144	374,502
Consolidated VIEs
Variable Interest Entities
Assets	4,556,770	4,734,109
Liabilities	$ 2,657,486	$ 2,744,932