Secured Debt, Net - Schedule of All in Cost of Secured Credit Facilities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
Total borrowings	$ 14,035,684
Secured debt, net | Secured debt, net
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	2,000,000
Collateral	2,500,000
Secured debt, net | Secured debt, net | Secured credit facilities
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	2,003,158	$ 614,141
Total borrowings	$ 10,693,596	$ 9,705,529
Wtd. avg. all-in cost (percentage)	1.88%	1.92%
Collateral	$ 15,460,065	$ 14,807,821
Wtd. avg. all-in yield (percentage)	3.44%	3.58%
Net interest margin (percentage)	1.56%	1.66%
Secured debt, net | Secured debt, net | Secured credit facilities | + 1.50% or less
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	$ 1,330,750	$ 165,616
Total borrowings	$ 4,676,347	$ 3,976,192
Wtd. avg. all-in cost (percentage)	1.54%	1.53%
Collateral	$ 6,862,828	$ 6,185,925
Wtd. avg. all-in yield (percentage)	3.06%	3.18%
Net interest margin (percentage)	1.52%	1.65%
Secured debt, net | Secured debt, net | Secured credit facilities | + 1.51% to + 1.75%
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	$ 462,809	$ 74,118
Total borrowings	$ 2,541,857	$ 2,238,376
Wtd. avg. all-in cost (percentage)	1.75%	1.78%
Collateral	$ 3,303,560	$ 3,140,937
Wtd. avg. all-in yield (percentage)	3.51%	3.52%
Net interest margin (percentage)	1.76%	1.74%
Secured debt, net | Secured debt, net | Secured credit facilities | + 1.76% to + 2.00%
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	$ 99,002	$ 0
Total borrowings	$ 1,138,331	$ 969,541
Wtd. avg. all-in cost (percentage)	2.09%	2.09%
Collateral	$ 1,963,534	$ 1,802,431
Wtd. avg. all-in yield (percentage)	3.28%	3.67%
Net interest margin (percentage)	1.19%	1.58%
Secured debt, net | Secured debt, net | Secured credit facilities | + 2.01% or more
Schedule Of All In Cost Of Secured Credit Facilities [Line Items]
New Financings	$ 110,597	$ 374,407
Total borrowings	$ 2,337,061	$ 2,521,420
Wtd. avg. all-in cost (percentage)	2.59%	2.61%
Collateral	$ 3,330,143	$ 3,678,528
Wtd. avg. all-in yield (percentage)	4.23%	4.31%
Net interest margin (percentage)	1.64%	1.70%