v3.25.2
Fair Value Measurements - Assets and Liabilities Not Measured and Reported at Fair Value on a Recurring Basis or Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Financial assets    
Securities held to maturity $ 984,359 $ 1,002,544
Securities available for sale 2,471,487 831,013
Loans held for sale 356,791 246,171
Mortgage servicing rights 64,539 72,991
Derivative instruments 23,925 34,505
Financial liabilities    
Derivative instruments 22,191 28,550
Carrying Value    
Financial assets    
Cash and cash equivalents 1,378,612 1,092,032
Securities held to maturity 1,076,817 1,126,112
Securities available for sale 2,471,487 831,013
Loans held for sale 356,791 246,171
Loans, net 18,272,677 12,683,264
Mortgage servicing rights 64,539 72,991
Derivative instruments 50,629 38,954
Financial liabilities    
Deposits 21,582,637 14,572,612
Short-term borrowings 405,349 108,018
Junior subordinated debentures 140,079 113,916
Subordinated notes 416,896 316,698
Derivative instruments 46,204 32,268
Fair Value    
Financial assets    
Cash and cash equivalents 1,378,612 1,092,032
Securities held to maturity 984,359 1,002,544
Securities available for sale 2,471,487 831,013
Loans held for sale 356,791 246,171
Loans, net 18,123,260 12,340,638
Mortgage servicing rights 80,772 96,290
Derivative instruments 50,629 38,954
Financial liabilities    
Deposits 21,567,625 14,570,304
Short-term borrowings 405,349 108,018
Junior subordinated debentures 125,033 100,668
Subordinated notes 405,750 295,868
Derivative instruments 46,204 32,268
Fair Value | Level 1    
Financial assets    
Cash and cash equivalents 1,378,612 1,092,032
Securities held to maturity 0 0
Securities available for sale 0 0
Loans held for sale 0 0
Loans, net 0 0
Mortgage servicing rights 0 0
Derivative instruments 0 0
Financial liabilities    
Deposits
Short-term borrowings 405,349 108,018
Junior subordinated debentures 0 0
Subordinated notes 0 0
Derivative instruments 0 0
Fair Value | Level 2    
Financial assets    
Cash and cash equivalents 0 0
Securities held to maturity 984,359 1,002,544
Securities available for sale 2,471,487 831,013
Loans held for sale 356,791 246,171
Loans, net 0 0
Mortgage servicing rights 0 0
Derivative instruments 50,629 38,954
Financial liabilities    
Deposits 21,567,625 14,570,304
Short-term borrowings 0 0
Junior subordinated debentures 125,033 100,668
Subordinated notes 405,750 295,868
Derivative instruments 46,204 32,268
Fair Value | Level 3    
Financial assets    
Cash and cash equivalents 0 0
Securities held to maturity 0 0
Securities available for sale 0 0
Loans held for sale 0 0
Loans, net 18,123,260 12,340,638
Mortgage servicing rights 80,772 96,290
Derivative instruments 0 0
Financial liabilities    
Deposits 0 0
Short-term borrowings 0 0
Junior subordinated debentures 0 0
Subordinated notes 0 0
Derivative instruments $ 0 $ 0