v3.26.1
Business Combinations, Asset Acquisitions, Transaction between Entities under Common Control, and Joint Venture Formation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Feb. 01, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Business Combination [Line Items]                  
Goodwill   $ 263,917 $ 159,595 $ 263,917 $ 159,595 $ 263,424 $ 159,595 $ 159,595 $ 159,595
Loan balance   9,731,356   9,731,356     8,051,242    
Business Combination, Pro Forma Information, Pro Forma Revenue   138,053 127,329 270,635 248,579        
Business Combination, Pro Forma Information, Pro Forma Income (Loss) from Continuing Operations, after Tax   $ 61,653 $ 54,412 $ 117,753 $ 102,092        
Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Basic   $ 3.41 $ 3.00 $ 6.51 $ 5.63        
Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Diluted   $ 3.39 $ 2.99 $ 6.48 $ 5.60        
Location, Statement of Other Comprehensive Income, Balance [Axis]: us-gaap:Goodwill                  
Business Combination [Line Items]                  
Business Combination, adjustment to acquired fair value   $ 493              
Location, Statement of Other Comprehensive Income, Balance [Axis]: us-gaap:OtherAssets                  
Business Combination [Line Items]                  
Business Combination, adjustment to acquired fair value   985              
Location, Statement of Other Comprehensive Income, Balance [Axis]: us-gaap:OtherLiabilities                  
Business Combination [Line Items]                  
Business Combination, adjustment to acquired fair value   492              
First Citizens Acquisition                  
Business Combination [Line Items]                  
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent $ 145,670                
Business Combination, Recognized Asset Acquired, Investment in Debt and Equity Securities, Current 742,952                
BusinessCombinationRecognizedIdentifiableAssetsAcquiredLoans, net of ACL 1,558,903                
BusinessCombinationRecognizedIdentifiableAssetsAcquiredLoans held for sale 4,902                
BusinessCombinationRecognizedIdentifiableAssetsAcquiredBank owned life insurance 33,887                
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment 30,529                
BusinessCombinationRecognizedIdentifiableAssetsAcquiredOther real estate owned 20,286                
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent 36,281                
Business Combination, Recognized Asset Acquired, Asset 2,611,435                
BusinessCombinationRecognizedIdentifiableLiabilitiesAssumedDeposits 2,221,111                
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current 149,791                
Business Combination, Recognized Liability Assumed, Other Liability, Current 20,804                
Business Combination, Recognized Liability Assumed, Liability 2,391,706                
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) 219,729                
Goodwill 104,322                
Payments to Acquire Businesses, Gross $ 105                
Business Combination, Consideration Transferred, Equity Interest, Fair Value Method 321,891                
Business Combination, Consideration Transferred $ 324,051                
Business Combination, Price Per Share $ 162.94                
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares 1,988,131                
Business Combination, Acquisition-Related Cost, Expense   4,100   $ 19,600          
Financing Receivable, Allowance for Credit Loss $ (15,573)                
Non-credit discount on loans (17,300)                
Loan balance $ 1,591,776                
First Citizens Acquisition | Noncontrolling Interest                  
Business Combination [Line Items]                  
Business Combination, Consideration Transferred, Equity Interest, Fair Value Method 2,055                
Financial Asset Acquired with Credit Deterioration [Member]                  
Business Combination [Line Items]                  
Loan balance   114,500   114,500     2,500    
Financial Asset Acquired with Credit Deterioration [Member] | First Citizens Acquisition                  
Business Combination [Line Items]                  
BusinessCombinationRecognizedIdentifiableAssetsAcquiredLoans, net of ACL $ 120,033                
Financing Receivable, Allowance for Credit Loss (1,803) 5,100   5,100     $ 0    
Non-credit discount on loans (4,552)                
Loan balance 126,388 $ 61,300   $ 61,300          
Financial Asset Acquired and No Credit Deterioration | First Citizens Acquisition                  
Business Combination [Line Items]                  
BusinessCombinationRecognizedIdentifiableAssetsAcquiredLoans, net of ACL 1,438,870                
Financing Receivable, Allowance for Credit Loss (13,770)                
Non-credit discount on loans (12,748)                
Loan balance 1,465,388                
Core Deposits [Member] | First Citizens Acquisition                  
Business Combination [Line Items]                  
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill 34,440                
Other Intangible Assets | First Citizens Acquisition                  
Business Combination [Line Items]                  
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill $ 3,585