XML 30 R89.htm IDEA: XBRL DOCUMENT v2.4.0.6
REGULATORY MATTERS (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
item
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
REGULATORY MATTERS        
Number of ratios calculated according to the regulations for determining assigned capital category 3      
Number of categories defined in the regulations, ranging from well capitalized to critically undercapitalized 5      
Total capital (to risk-weighted assets)        
Actual, Amount $ 296,714 $ 313,902    
Required for Adequate Capital, Amount 133,549 133,201    
Actual, Ratio 17.80% 18.90%    
Required for Adequate Capital, Ratio 8.00% 8.00%    
Tier 1 capital (to risk-weighted assets)        
Actual, Amount 275,707 293,039    
Required for Adequate Capital, Amount 66,774 66,601    
Actual, Ratio 16.50% 17.60%    
Required for Adequate Capital, Ratio 4.00% 4.00%    
Tier 1 capital (to average assets)        
Actual, Amount 275,707 293,039    
Required for Adequate Capital, Amount 106,077 108,875    
Actual, Ratio (as a percent) 10.40% 10.80%    
Required for Adequate Capital, Ratio (as a percent) 4.00% 4.00%    
Cash 65,650 109,148 60,123 71,689
Parent Company
        
Tier 1 capital (to average assets)        
Cash 7,102 8,022 14,284 20,924
MainSource Bank
        
Total capital (to risk-weighted assets)        
Actual, Amount 283,303 299,054    
Required for Adequate Capital, Amount 132,052 132,001    
To Be Well Capitalized, Amount 165,065 181,502    
Actual, Ratio 17.20% 18.10%    
Required for Adequate Capital, Ratio 8.00% 8.00%    
To Be Well Capitalized, Ratio 10.00% 11.00%    
Tier 1 capital (to risk-weighted assets)        
Actual, Amount 262,527 278,191    
Required for Adequate Capital, Amount 66,026 66,001    
To Be Well Capitalized, Amount 99,039      
Actual, Ratio 15.90% 16.90%    
Required for Adequate Capital, Ratio 4.00% 4.00%    
To Be Well Capitalized, Ratio 6.00%      
Tier 1 capital (to average assets)        
Actual, Amount 262,527 278,191    
Required for Adequate Capital, Amount 106,077 107,675    
To Be Well Capitalized, Amount $ 132,596 $ 215,350    
Actual, Ratio (as a percent) 9.90% 10.30%    
Required for Adequate Capital, Ratio (as a percent) 4.00% 4.00%    
To Be Well Capitalized, Ratio (as a percent) 5.00% 8.00%