v3.26.1
Contractual Obligations and Off-Balance Sheet Arrangements - Summary of Commitments Associated with Outstanding Standby Letters of Credit and Commitments to Extend Credit (Details) - Guarantee Obligations [Member]
$ in Thousands
Jun. 30, 2026
USD ($)
Contractual Obligations And Off Balance Sheet Items [Line Items]  
1 year or less $ 3,126,974
More than 1 year but less than 3 years 1,480,895
3 years or more but less than 5 years 280,041
5 years or more 1,140,870
Total 6,028,780
Standby Letters of Credit [Member]  
Contractual Obligations And Off Balance Sheet Items [Line Items]  
1 year or less 103,776
More than 1 year but less than 3 years 13,562
3 years or more but less than 5 years 2,291
5 years or more 26
Total 119,655
Unused capacity on Warehouse Purchase Program loans [Member]  
Contractual Obligations And Off Balance Sheet Items [Line Items]  
1 year or less 879,845
Total 879,845
Commitments to Extend Credit [Member]  
Contractual Obligations And Off Balance Sheet Items [Line Items]  
1 year or less 2,143,353
More than 1 year but less than 3 years 1,467,333
3 years or more but less than 5 years 277,750
5 years or more 1,140,844
Total $ 5,029,280