v3.26.1
FAIR VALUE MEASUREMENTS - Unobservable Inputs Used to Measure Fair Value (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Investment securities AFS, Fair value $ 4,119,215   $ 3,993,385      
Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Interest rate lock commitments, net 68 $ 120 75 $ 0 $ 0 $ 0
Recurring            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Investment securities AFS, Fair value 4,119,215   3,993,385      
Recurring | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Investment securities AFS, Fair value 1,555   1,630      
Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Interest rate lock commitments, net $ 68   $ 75      
Implied spread to benchmark interest rate curve | Minimum | Recurring | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Implied spread to benchmark interest rate curve 0.0225   0.0225      
Implied spread to benchmark interest rate curve | Maximum | Recurring | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Implied spread to benchmark interest rate curve 0.0225   0.0225      
Implied spread to benchmark interest rate curve | Weighted Average | Recurring | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Implied spread to benchmark interest rate curve 0.0225   0.0225      
Fall-out factor | Minimum | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.0110   0.0060      
Fall-out factor | Maximum | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.3743   0.2065      
Fall-out factor | Weighted Average | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.1589   0.1011      
Value of servicing | Minimum | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.0066   0.0104      
Value of servicing | Maximum | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.0246   0.0143      
Value of servicing | Weighted Average | Recurring | Level 3 | Interest rate lock commitments, net            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Fall-out factor/Value of servicing 0.0152   0.0115      
Third Party Appraisal, Discount For Market Conditions | Minimum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 10.00%   10.00%      
Third Party Appraisal, Discount For Market Conditions | Minimum | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 10.00%   6.00%      
Third Party Appraisal, Discount For Market Conditions | Maximum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 36.00%   20.00%      
Third Party Appraisal, Discount For Market Conditions | Maximum | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 36.00%   36.00%      
Third Party Appraisal, Discount For Market Conditions | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 15.00%   18.00%      
Third Party Appraisal, Discount For Market Conditions | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 15.00%   24.00%      
Third Party Appraisal, Estimated Selling Costs | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage     10.00%      
Third Party Appraisal, Estimated Selling Costs | Minimum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%          
Third Party Appraisal, Estimated Selling Costs | Minimum | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%   8.00%      
Third Party Appraisal, Estimated Selling Costs | Maximum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 10.00%          
Third Party Appraisal, Estimated Selling Costs | Maximum | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 10.00%   10.00%      
Third Party Appraisal, Estimated Selling Costs | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%   10.00%      
Third Party Appraisal, Estimated Selling Costs | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%   10.00%      
Internal evaluation, Estimated Selling Costs | Minimum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%          
Internal evaluation, Estimated Selling Costs | Maximum | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 10.00%          
Internal evaluation, Estimated Selling Costs | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial and industrial            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 9.00%          
Internal evaluation, Vacancy, collection loss, concessions adjustment | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 15.00%          
Internal evaluation, Vacancy, collection loss, concessions adjustment | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 15.00%          
Income Approach, Capitalization Rate | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%   6.00%      
Income Approach, Capitalization Rate | Weighted Average | Nonrecurring | Level 3 | Collateral Pledged | Commercial real estate            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Measurement input, percentage 7.00%   6.00%