v3.26.1
Subordinated Debentures - Additional Information (Details)
1 Months Ended 3 Months Ended
Sep. 30, 2021
USD ($)
Mar. 31, 2026
USD ($)
Securities
Mar. 31, 2025
USD ($)
Dec. 31, 2025
Dec. 31, 2004
Securities
Subordinated Borrowing [Line Items]          
Merger fair value adjustments   $ 4,048,000 $ 2,989,000    
December 2003 offering [Member]          
Subordinated Borrowing [Line Items]          
Trust preferred securities after merger fair value adjustments   10,900,000      
Trust preferred securities before merger fair value adjustments   $ 12,000,000      
Trust preferred securities fair value adjustment value amortization period   8 years      
December 2004 Offering [Member]          
Subordinated Borrowing [Line Items]          
Trust preferred securities after merger fair value adjustments   $ 3,600,000      
Trust preferred securities before merger fair value adjustments   4,500,000      
August 2005 offering [Member]          
Subordinated Borrowing [Line Items]          
Trust preferred securities after merger fair value adjustments   1,600,000      
Trust preferred securities before merger fair value adjustments   $ 2,000,000      
Trust preferred securities fair value adjustment value amortization period   10 years      
Subordinated Debt [Member] | Subordinated Notes Due 2031 [Member]          
Subordinated Borrowing [Line Items]          
Proceeds from issuance of subordinated long-term debt $ 32,500,000        
Debt instrument, interest rate, stated percentage 3.25%        
Subordinated Debt [Member] | December 2003 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, interest rate, effective percentage   6.90%   7.00%  
Subordinated Debt [Member] | December 2004 Offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, interest rate, effective percentage   6.00%   6.00%  
Subordinated Debt [Member] | August 2005 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, interest rate, effective percentage   5.50%   5.70%  
Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Subordinated Notes Due 2031 [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, basis spread on variable rate 2.55%        
Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] | December 2003 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, basis spread on variable rate   3.00%      
Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] | December 2004 Offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, basis spread on variable rate   2.05%      
Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] | August 2005 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt instrument, basis spread on variable rate   1.86%      
Trust Preferred Securities [Member] | December 2003 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt securities, available-for-sale, number of positions sold | Securities   12,000      
Debt securities, available-for-sale, price per position   1,000      
Trust Preferred Securities [Member] | December 2004 Offering [Member]          
Subordinated Borrowing [Line Items]          
Debt securities, available-for-sale, number of positions sold | Securities         4,500
Debt securities, available-for-sale, price per position         1,000
Trust Preferred Securities [Member] | August 2005 offering [Member]          
Subordinated Borrowing [Line Items]          
Debt securities, available-for-sale, number of positions sold | Securities   2,000      
Debt securities, available-for-sale, price per position   1,000      
Trust Preferred Securities [Member] | Subordinated Debt [Member] | December 2003 offering [Member]          
Subordinated Borrowing [Line Items]          
Merger fair value adjustments   $ 1,200,000      
Trust Preferred Securities [Member] | Subordinated Debt [Member] | December 2004 Offering [Member]          
Subordinated Borrowing [Line Items]          
Merger fair value adjustments   882,000      
Trust Preferred Securities [Member] | Subordinated Debt [Member] | August 2005 offering [Member]          
Subordinated Borrowing [Line Items]          
Merger fair value adjustments   $ 403,000