XML 82 R70.htm IDEA: XBRL DOCUMENT v3.25.3
Goodwill and Core Deposits and Other Intangibles - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]              
Amortization of intangibles $ 2,024,000 $ 2,068,000 $ 2,095,000 $ 6,096,000 $ 6,375,000    
Amortization expense remainder for this year 8,000,000.0     8,000,000.0      
Amortization expense for year 2026 7,800,000     7,800,000      
Amortization expense for year 2027 6,600,000     6,600,000      
Amortization expense for year 2028 4,200,000     4,200,000      
Amortization expense for year 2029 4,200,000     4,200,000      
Carrying amount of Company's goodwill $ 1,398,253,000 $ 1,398,253,000   $ 1,398,253,000   $ 1,398,253,000 $ 1,398,253,000
Impairment of goodwill           $ 0