Fair Value - Fair Value Option Maturities, Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Fair value
Total fair value	$ 6,961,224	$ 8,217,468
Recurring basis
Fair value
Total fair value	6,961,224	8,217,468
Mortgage loans held for sale | Recurring basis
Fair value
Current through 89 days delinquent	6,929,950	8,187,561
Not in foreclosure	23,534	24,663
In foreclosure	7,740	5,244
Total fair value	6,961,224	8,217,468
Principal amount due upon maturity
Current through 89 days delinquent	6,734,644	8,089,532
Not in foreclosure	27,248	27,901
In foreclosure	21,348	11,481
Total principal amount due upon maturity	6,783,240	8,128,914
Difference
Current through 89 days delinquent	195,306	98,029
Not in foreclosure	(3,714)	(3,238)
In foreclosure	(13,608)	(6,237)
Total difference	$ 177,984	$ 88,554