v3.26.1
Allowance for Credit Losses, Credit Quality and Other - Additional Information (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
loan
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
loan
Apr. 01, 2026
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Provision for credit losses on loans $ 5,200,000 $ 3,000,000 $ 6,700,000 $ 21,100,000 $ 3,000,000  
Recovery of credit losses on unfunded commitments 0 0 (1,000,000)   0  
Nonaccrual 183,199,000   183,199,000 78,002,000    
Loans Past Due Over 90 Days Still Accruing 2,126,000   2,126,000 6,980,000    
Nonaccrual loans with specific reserve 24,200,000   24,200,000 29,800,000    
Interest income on nonaccrual loans     0   0  
Amortized cost 223,500,000   223,500,000 219,400,000    
Financing receivable, individually evaluated for credit loss, interest income 553,000 3,000,000.0 1,100,000   6,000,000.0  
Amount of loan assessed for impairment on a quarterly basis     2,000,000.0      
Revolver loans converted to term loans     $ 69,900,000   $ 35,700,000  
Number of revolving loans convert to term loans | loan     279   103  
Number of loans | loan     3   6  
Loans, ending balance 302,000 4,100,000 $ 302,000   $ 4,100,000  
13 Modified Loan Borrowers            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Financial receivable, excluding accrued interest, modified in period, premodification     315,000   4,200,000  
Borrowers Experiencing Financial Difficulty            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Financial receivable, excluding accrued interest, modified in period, premodification     $ 1,100,000      
Number of loans | loan     10      
Loans, ending balance 1,000,000.0   $ 1,000,000.0      
Loan balance, nonaccrual 487,000   487,000      
Mountain Commerce Bancorp Inc            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans receivable 1,468,899,000   1,468,899,000     $ 1,499,676,000
Net loan discounts           (30,800,000)
Business combination, recognized assets acquired, financing receivable, allowance for credit loss, excluding accrued interest           31,300,000
Mountain Commerce Bancorp Inc | Deteriorated Credit Quality            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans receivable           46,300,000
Business combination, recognized assets acquired, financing receivable, allowance for credit loss, excluding accrued interest           7,600,000
Mountain Commerce Bancorp Inc | Financial Asset Acquired and No Credit Deterioration            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans receivable           1,420,000,000
Business combination, recognized assets acquired, financing receivable, allowance for credit loss, excluding accrued interest           $ 23,700,000
Total Past Due | Borrowers Experiencing Financial Difficulty            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans, ending balance 532,000   532,000      
Residential real estate loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Provision for credit losses on loans 193,000 4,606,000 (141,000) 15,062,000 7,203,000  
Commercial and industrial            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Provision for credit losses on loans (490,000) $ 2,213,000 (8,116,000) 8,393,000 $ 11,917,000  
Nonaccrual 65,227,000   65,227,000 3,760,000    
Loans Past Due Over 90 Days Still Accruing $ 331,000   $ 331,000 $ 964,000    
Minimum | Construction / Land Development and Other Commercial Real Estate Loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans collateralized by first liens on real estate amortized period     15 years      
Loans collateralized by first liens on real estate balloon payments due period     1 year      
Minimum | Commercial and industrial            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Commercial loans terms     1 year      
Inventory financing percentage 50.00%   50.00%      
Minimum | Commercial and industrial | Loans Past Due 30-59 Days            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Accounts receivable financed percentage 50.00%   50.00%      
Maximum | Construction / Land Development and Other Commercial Real Estate Loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loans collateralized by first liens on real estate amortized period     30 years      
Loans collateralized by first liens on real estate balloon payments due period     5 years      
Percentage of loan value of improved property     85.00%      
Percentage of loan value of raw land     65.00%      
Percentage of loan value of land to be acquired and developed     75.00%      
Maximum | Residential real estate loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Loan-to-value ratio     90.00%      
Maximum | Commercial and industrial            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Commercial loans terms     7 years      
Inventory financing percentage 80.00%   80.00%      
Maximum | Commercial and industrial | Loans Past Due 30-59 Days            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Accounts receivable financed percentage 80.00%   80.00%