v3.26.1
Regulatory Capital - Capital Ratio Requirements under Prompt Corrective Action or Other Regulatory Requirements (Details)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Capital conservation buffer 2.50% 2.50%
Consolidated    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Leverage Ratio 10.3 11.6
Common equity risk-based ratio 12.3 14.9
Risk-based capital Ratio 12.3 14.9
Total risk-based capital Ratio 15.4 16.8
Leverage Amount $ 1,230,519 $ 1,101,481
Common equity risk-based amount 1,230,519 1,101,481
Risk-based capital amount 1,230,519 1,101,481
Total risk-based capital Amount $ 1,544,336 $ 1,244,572
Required to be considered adequately capitalized Ratio, leverage ratio 4 4
Required to be considered adequately capitalized Ratio, risk-based common equity capital ratio 7 7
Required to be considered adequately capitalized Ratio, risk-based capital ratio 8.5 8.5
Required to be considered adequately capitalized Ratio, Total risk-based capital ratio 10.5 10.5
Required to be considered adequately capitalized leverage Amount $ 477,802 $ 381,030
Required to be considered adequately capitalized common equity capital amount 701,079 517,822
Required to be considered adequately capitalized risk-based capital Amount 851,310 628,784
Required to be considered adequately capitalized Total risk-based capital Amount $ 1,051,618 $ 776,733
NBH Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Leverage Ratio 10.3 10.2
Common equity risk-based ratio 12.3 13.1
Risk-based capital Ratio 12.3 13.1
Total risk-based capital Ratio 13.4 14.3
Leverage Amount $ 1,223,193 $ 963,497
Common equity risk-based amount 1,223,193 963,497
Risk-based capital amount 1,223,193 963,497
Total risk-based capital Amount $ 1,335,167 $ 1,051,838
Required to be considered well capitalized Ratio, leverage ratio 5 5
Required to be considered well capitalized Ratio, risk-based common equity capital ratio 6.5 6.5
Required to be considered well capitalized Ratio, risk-based capital ratio 8 8
Required to be considered well capitalized Ratio, Total risk-based capital ratio 10 10
Required to be considered well capitalized leverage Amount $ 595,277 $ 474,353
Required to be considered well capitalized common equity capital amount 647,927 477,845
Required to be considered well capitalized risk-based capital Amount 797,449 588,117
Required to be considered well capitalized Total risk-based capital Amount $ 996,811 $ 735,146
Required to be considered adequately capitalized Ratio, leverage ratio 4 4
Required to be considered adequately capitalized Ratio, risk-based common equity capital ratio 7 7
Required to be considered adequately capitalized Ratio, risk-based capital ratio 8.5 8.5
Required to be considered adequately capitalized Ratio, Total risk-based capital ratio 10.5 10.5
Required to be considered adequately capitalized leverage Amount $ 476,221 $ 379,483
Required to be considered adequately capitalized common equity capital amount 697,768 514,602
Required to be considered adequately capitalized risk-based capital Amount 847,290 624,874
Required to be considered adequately capitalized Total risk-based capital Amount $ 1,046,652 $ 771,904
Bank of Jackson Hole Trust    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Leverage Ratio 38.4 34.2
Common equity risk-based ratio 140.7 79.3
Risk-based capital Ratio 140.7 79.3
Total risk-based capital Ratio 141.2 79.5
Leverage Amount $ 14,897 $ 13,219
Common equity risk-based amount 14,897 13,219
Risk-based capital amount 14,897 13,219
Total risk-based capital Amount $ 14,949 $ 13,250
Required to be considered well capitalized Ratio, leverage ratio 5 5
Required to be considered well capitalized Ratio, risk-based common equity capital ratio 6.5 6.5
Required to be considered well capitalized Ratio, risk-based capital ratio 8 8
Required to be considered well capitalized Ratio, Total risk-based capital ratio 10 10
Required to be considered well capitalized leverage Amount $ 1,941 $ 1,934
Required to be considered well capitalized common equity capital amount 688 1,083
Required to be considered well capitalized risk-based capital Amount 847 1,333
Required to be considered well capitalized Total risk-based capital Amount $ 1,059 $ 1,667
Required to be considered adequately capitalized Ratio, leverage ratio 4 4
Required to be considered adequately capitalized Ratio, risk-based common equity capital ratio 7 7
Required to be considered adequately capitalized Ratio, risk-based capital ratio 8.5 8.5
Required to be considered adequately capitalized Ratio, Total risk-based capital ratio 10.5 10.5
Required to be considered adequately capitalized leverage Amount $ 1,553 $ 1,548
Required to be considered adequately capitalized common equity capital amount 741 1,167
Required to be considered adequately capitalized risk-based capital Amount 900 1,417
Required to be considered adequately capitalized Total risk-based capital Amount $ 1,112 $ 1,750