v3.26.1
Regulatory Matters (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Parent Company    
Total Capital (to risk-weighted assets)    
Total Capital (to risk-weighted assets), Actual, Amount $ 2,470,123 $ 2,365,600
Total Capital (to risk weighted assets), Actual, Ratio (as a percent) 0.125 0.136
Total Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 2,073,368 $ 1,822,759
Total Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.105 0.105
Tier I Capital (to risk-weighted assets)    
Tier I Capital, (to risk-weighted assets), Actual, Amount $ 2,386,160 $ 2,272,014
Tier I Capital (to risk weighted assets), Actual, Ratio (as a percent) 0.121 0.131
Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 1,678,441 $ 1,475,567
Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.085 0.085
Common Equity Tier I Capital (to risk-weighted assets)    
Common Equity Tier I Capital (to risk weighted assets), Actual, Amount $ 1,834,870 $ 1,720,724
Common Equity Tier I Capital (to risk weighted assets), Ratio (as a percent) 0.093 0.099
Common Equity Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 1,382,245 $ 1,215,172
Common Equity Tier I Capital (to risk weighted assets, Minimum Amount Required to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.07 0.07
Tier 1 Capital (to average assets)    
Tier 1 Capital (to average assets), Actual, Amount $ 2,386,160 $ 2,272,014
Tier 1 Capital (to average assets), Actual, Ratio (as a percent) 0.116 0.115
Tier 1 Capital (to average assets), Minimum Amount Required to be Well Capitalized with Basel III Buffer, Amount $ 1,028,502 $ 990,358
Tier 1 Capital (to average assets), Minimum Amount Required to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.05 0.05
Merchants Bank    
Total Capital (to risk-weighted assets)    
Total Capital (to risk-weighted assets), Actual, Amount $ 2,398,352 $ 2,320,227
Total Capital (to risk weighted assets), Actual, Ratio (as a percent) 0.122 0.134
Total Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 2,067,150 $ 1,821,535
Total Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.105 0.105
Total Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Amount $ 1,968,714 $ 1,734,795
Total Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Ratio (as a percent) 0.10 0.10
Tier I Capital (to risk-weighted assets)    
Tier I Capital, (to risk-weighted assets), Actual, Amount $ 2,314,389 $ 2,226,641
Tier I Capital (to risk weighted assets), Actual, Ratio (as a percent) 0.118 0.128
Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 1,673,407 $ 1,474,576
Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.085 0.085
Tier I Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Amount $ 1,574,971 $ 1,387,836
Tier I Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Ratio (as a percent) 0.08 0.08
Common Equity Tier I Capital (to risk-weighted assets)    
Common Equity Tier I Capital (to risk weighted assets), Actual, Amount $ 2,314,389 $ 2,226,641
Common Equity Tier I Capital (to risk weighted assets), Ratio (as a percent) 0.118 0.128
Common Equity Tier I Capital (to risk weighted assets), Minimum Amount to be Well Capitalized with Basel III Buffer, Amount $ 1,378,100 $ 1,214,357
Common Equity Tier I Capital (to risk weighted assets, Minimum Amount Required to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.07 0.07
Common Equity Tier I Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Amount $ 1,279,664 $ 1,127,617
Common Equity Tier I Capital (to risk weighted assets), Minimum Amount To Be Well Capitalized, Ratio (as a percent) 0.065 0.065
Tier 1 Capital (to average assets)    
Tier 1 Capital (to average assets), Actual, Amount $ 2,314,389 $ 2,226,641
Tier 1 Capital (to average assets), Actual, Ratio (as a percent) 0.113 0.113
Tier 1 Capital (to average assets), Minimum Amount Required to be Well Capitalized with Basel III Buffer, Amount $ 1,025,533 $ 987,284
Tier 1 Capital (to average assets), Minimum Amount Required to be Well Capitalized with Basel III Buffer, Ratio (as a percent) 0.05 0.05
Tier 1 Capital (to average assets), Minimum Amount To Be Well Capitalized, Amount $ 1,025,533 $ 987,284
Tier 1 Capital (to average assets), Minimum Amount To Be Well Capitalized, Ratio (as a percent) 0.05 0.05