Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets:
Investments in real estate debt	$ 5,067,463	$ 5,279,928
Real estate loans held by consolidated securitization vehicles, at fair value	11,512,832	13,616,526
Investments in unconsolidated entities	4,011,447	3,861,077
Interest rate and foreign currency hedging derivatives	1,259,325	2,002,173
Liabilities:
Senior obligations of consolidated securitization vehicles, at fair value	10,346,961	12,233,141
Interest rate and foreign currency hedging derivatives	22,270	11,243
Recurring
Assets:
Investments in real estate debt	4,786,563	5,020,959
Real estate loans held by consolidated securitization vehicles, at fair value	11,512,832	13,616,526
Investments in unconsolidated entities	4,011,447	3,861,077
Interest rate and foreign currency hedging derivatives	1,259,325	2,002,173
Total	21,570,167	24,500,735
Liabilities:
Senior obligations of consolidated securitization vehicles, at fair value	10,346,961	12,233,141
Interest rate and foreign currency hedging derivatives	22,270	11,243
Total	10,369,231	12,244,384
Recurring | Level 1
Assets:
Investments in real estate debt	0	0
Real estate loans held by consolidated securitization vehicles, at fair value	0	0
Investments in unconsolidated entities	0	0
Interest rate and foreign currency hedging derivatives	0	0
Total	0	0
Liabilities:
Senior obligations of consolidated securitization vehicles, at fair value	0	0
Interest rate and foreign currency hedging derivatives	0	0
Total	0	0
Recurring | Level 2
Assets:
Investments in real estate debt	3,865,305	3,973,217
Real estate loans held by consolidated securitization vehicles, at fair value	11,512,832	13,616,526
Investments in unconsolidated entities	0	0
Interest rate and foreign currency hedging derivatives	1,259,325	2,002,173
Total	16,637,462	19,591,916
Liabilities:
Senior obligations of consolidated securitization vehicles, at fair value	10,346,961	12,233,141
Interest rate and foreign currency hedging derivatives	22,270	11,243
Total	10,369,231	12,244,384
Recurring | Level 3
Assets:
Investments in real estate debt	921,258	1,047,742
Real estate loans held by consolidated securitization vehicles, at fair value	0	0
Investments in unconsolidated entities	4,011,447	3,861,077
Interest rate and foreign currency hedging derivatives	0	0
Total	4,932,705	4,908,819
Liabilities:
Senior obligations of consolidated securitization vehicles, at fair value	0	0
Interest rate and foreign currency hedging derivatives	0	0
Total	0	0
Recurring | Fair Value Measured at Net Asset Value Per Share
Assets:
Investments in real estate debt	$ 280,900	$ 259,000