XML 115 R100.htm IDEA: XBRL DOCUMENT v3.3.1.900
Borrowings - Narrative (Details)
12 Months Ended
Aug. 10, 2015
USD ($)
Apr. 11, 2014
USD ($)
Nov. 01, 2013
USD ($)
investor
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Apr. 17, 2015
USD ($)
Sep. 15, 2012
Jul. 02, 2007
USD ($)
Debt Instrument [Line Items]                  
Interest rate, minimum (as a percent)       0.00%          
Interest rate, maximum (as a percent)       6.81%          
Total available remaining borrowing capacity from FHLB       $ 388,176,000          
Putable advances with the FHLB       235,652,000 $ 145,264,000        
Gain from cancellation of debt       1,250,000      
Private debt issuance, number of institutional investors | investor     4            
US Bank, NA                  
Debt Instrument [Line Items]                  
Line of credit       0 $ 0        
Line of credit maximum borrowing capacity   $ 20,000,000              
Commitment fee percentage   0.25%              
5.00% Senior Notes Due 2028                  
Debt Instrument [Line Items]                  
Debt face amount     $ 5,000,000            
Interest rate on notes (as a percent)     5.00%            
6.75% Subordinated Notes Due 2028                  
Debt Instrument [Line Items]                  
Debt face amount     $ 65,000,000            
Interest rate on notes (as a percent)     6.75%            
Debt term with fixed interest rate     10 years            
One-Month LIBOR | US Bank, NA                  
Debt Instrument [Line Items]                  
Basis spread on variable rate (as a percent)   2.00%              
Ameriana                  
Debt Instrument [Line Items]                  
Federal Home Loan Bank advances assumed at acquisition       24,938,000          
C Financial                  
Debt Instrument [Line Items]                  
Federal Home Loan Bank advances assumed at acquisition       11,597,000     $ 18,958,000    
Federal Home Loan Bank advances matured during the period       7,361,000          
Putable Advances                  
Debt Instrument [Line Items]                  
Putable advances with the FHLB       $ 25,000,000          
Minimum                  
Debt Instrument [Line Items]                  
Required value of assets pledged as collateral as a percentage to outstanding advances       146.00%          
Securities Sold Under Repurchase Agreements                  
Debt Instrument [Line Items]                  
Maximum amount of outstanding agreements       $ 163,128,000 155,941,000        
Total of average agreements       143,491,000 130,910,000        
Debt outstanding       155,325,000          
Subordinated Debentures and Term Loans                  
Debt Instrument [Line Items]                  
Debt outstanding       127,846,000 $ 126,810,000        
Subordinated Debenture | First Merchant Capital Trust II                  
Debt Instrument [Line Items]                  
Debt outstanding       $ 51,702,000          
Debt face amount     $ 70,000,000           $ 56,702,000
Cancellation of debt, amount $ 5,000,000                
Gain from cancellation of debt $ 1,250,000                
Interest rate on notes (as a percent)       2.10% 1.80%     6.495%  
Basis spread on variable rate (as a percent)         1.56%        
Subordinated Debenture | First Merchant Capital Trust II | Three-Month LIBOR                  
Debt Instrument [Line Items]                  
Basis spread on variable rate (as a percent)       1.56%          
Subordinated Debenture | Ameriana Capital Trust I                  
Debt Instrument [Line Items]                  
Debt face amount       $ 10,310,000          
Interest rate on notes (as a percent)       2.00%          
Basis spread on variable rate (as a percent)       1.50%          
Line of Credit | Bank of America, N.A. | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Line of credit maximum borrowing capacity     $ 55,000,000