v3.26.1
Fair Value Measurements - Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial assets:    
Securities AFS $ 2,006,963 $ 859,834
Carrying Amount    
Financial assets:    
Cash and cash equivalents 465,248 660,232
Securities AFS 2,006,963 859,834
Other investments, including equity securities 116,575 63,247
Loans held for sale 19,388 13,620
Other assets held for sale (loans) 401,899  
Loans, net 10,714,580 6,767,539
Accrued interest receivable 53,263 26,602
Financial liabilities:    
Deposits 12,523,336 7,730,771
Long-term borrowings 92,750 134,860
Other liabilities held for sale (deposits) 387,939  
Accrued interest payable 15,198 8,672
Carrying Amount | Servicing rights asset    
Financial assets:    
MSR asset 24,476 13,173
Carrying Amount | LSR asset    
Financial assets:    
MSR asset 4,416 5,152
Estimated Fair Value    
Financial assets:    
Cash and cash equivalents 465,248 660,232
Securities AFS 2,006,963 859,834
Other investments, including equity securities 116,560 63,241
Loans held for sale 19,786 13,935
Other assets held for sale (loans) 401,899  
Loans, net 10,499,054 6,627,011
Accrued interest receivable 53,263 26,602
Financial liabilities:    
Deposits 12,514,031 7,737,106
Long-term borrowings 85,725 131,840
Other liabilities held for sale (deposits) 387,939  
Accrued interest payable 15,198 8,672
Estimated Fair Value | Servicing rights asset    
Financial assets:    
MSR asset 27,307 18,474
Estimated Fair Value | LSR asset    
Financial assets:    
MSR asset 4,416 5,152
Estimated Fair Value | Level 1    
Financial assets:    
Cash and cash equivalents 465,248 660,232
Securities AFS 0 0
Other investments, including equity securities 12,763 9,505
Loans held for sale 0 0
Other assets held for sale (loans) 0  
Loans, net 0 0
Accrued interest receivable 53,263 26,602
Financial liabilities:    
Deposits 0 0
Long-term borrowings 0 0
Other liabilities held for sale (deposits) 0  
Accrued interest payable 15,198 8,672
Estimated Fair Value | Level 1 | Servicing rights asset    
Financial assets:    
MSR asset 0 0
Estimated Fair Value | Level 1 | LSR asset    
Financial assets:    
MSR asset 0 0
Estimated Fair Value | Level 2    
Financial assets:    
Cash and cash equivalents 0 0
Securities AFS 2,000,176 853,210
Other investments, including equity securities 83,981 43,233
Loans held for sale 19,786 13,935
Other assets held for sale (loans) 0  
Loans, net 0 0
Accrued interest receivable 0 0
Financial liabilities:    
Deposits 0 0
Long-term borrowings 0 0
Other liabilities held for sale (deposits) 0  
Accrued interest payable 0 0
Estimated Fair Value | Level 2 | Servicing rights asset    
Financial assets:    
MSR asset 0 0
Estimated Fair Value | Level 2 | LSR asset    
Financial assets:    
MSR asset 0 0
Estimated Fair Value | Level 3    
Financial assets:    
Cash and cash equivalents 0 0
Securities AFS 6,787 6,624
Other investments, including equity securities 19,816 10,503
Loans held for sale 0 0
Other assets held for sale (loans) 401,899  
Loans, net 10,499,054 6,627,011
Accrued interest receivable 0 0
Financial liabilities:    
Deposits 12,514,031 7,737,106
Long-term borrowings 85,725 131,840
Other liabilities held for sale (deposits) 387,939  
Accrued interest payable 0 0
Estimated Fair Value | Level 3 | Servicing rights asset    
Financial assets:    
MSR asset 27,307 18,474
Estimated Fair Value | Level 3 | LSR asset    
Financial assets:    
MSR asset $ 4,416 $ 5,152