v3.26.1
Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2026
Commitments and Contingencies Disclosure [Abstract]  
Financial Instruments with Off-Balance-Sheet Risk
Financial instruments with off-balance-sheet risk were as follows:
June 30,
2026		December 31,
2025
Commitments to extend credit$12,588,863 $12,473,653 
Standby letters of credit407,107 394,714 
Deferred standby letter of credit fees2,642 2,740 
Commitments, Off-Balance-Sheet, Allowance for Credit Losses [Table Text Block]
The following table presents activity in the allowance for credit losses on off-balance-sheet credit exposures.
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Beginning balance$47,582 $49,946 $51,298 $51,904 
Credit loss expense (benefit)2,743 (337)(973)(2,295)
Ending balance$50,325 $49,609 $50,325 $49,609 
Lease Commitments, Components of Lease Expense [Table Text Block] We lease certain office facilities and office equipment under operating leases. The components of total lease expense were as follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Amortization of lease right-of-use assets$9,216 $9,085 $18,398 $18,126 
Short-term lease expense588 239 1,111 573 
Non-lease components (including taxes, insurance, common maintenance, etc.)3,806 3,882 7,719 7,636 
Total$13,610 $13,206 $27,228 $26,335