XML 47 R33.htm IDEA: XBRL DOCUMENT v3.4.0.3
Acquisitions (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Feb. 05, 2016
Nov. 30, 2015
Sep. 11, 2015
Aug. 21, 2015
Jan. 16, 2015
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Mar. 31, 2015
Business Acquisition [Line Items]                  
Notional Amount           $ 14,903 $ 15,020    
Assets           8,253,779 7,694,754   $ 6,506,276
Deposits           6,924,320 6,405,823    
Goodwill           127,699 97,852    
Nonaccrual loans           46,316 37,874    
Premises, furniture and equipment held for sale           3,889 3,889    
CIC Bancshares, Inc.                  
Business Acquisition [Line Items]                  
Total purchase price $ 76,882                
Purchase price paid by delivery of shares of common stock 2,003,235                
Purchase price in cash $ 15,672                
Other borrowings 7,924                
Assets 772,600                
Loans 581,500                
Deposits 648,100                
Goodwill 29,848                
Pre-tax merger related expenses           $ 551      
Nonaccrual loans 1,600                
Nonrecurring acquisition related costs             $ 59,491 $ 41,004  
CIC Bancshares, Inc. | Preferred Stock                  
Business Acquisition [Line Items]                  
Convertible preferred stock issued, fair value $ 3,800                
Premier Valley Bank                  
Business Acquisition [Line Items]                  
Total purchase price   $ 95,500              
Purchase price paid by delivery of shares of common stock   1,758,543              
Purchase price in cash   $ 28,500              
Assets   692,700              
Loans   389,800              
Deposits   622,700              
Goodwill   $ 41,024              
First Scottsdale Bank, N.A.                  
Business Acquisition [Line Items]                  
Purchase price in cash     $ 17,700            
Assets     81,200            
Loans     54,700            
Deposits     65,900            
Goodwill     $ 2,500            
Community Bancorporation of New Mexico, Inc.                  
Business Acquisition [Line Items]                  
Purchase price in cash       $ 11,100          
Assets       166,300          
Loans       99,500          
Deposits       147,400          
Goodwill       213          
Premises, furniture and equipment held for sale       $ 3,400          
Community Banc-Corp of Sheboygan, Inc.                  
Business Acquisition [Line Items]                  
Total purchase price         $ 53,100        
Purchase price paid by delivery of shares of common stock         1,970,720        
Assets         $ 506,800        
Loans         395,000        
Deposits         433,900        
Goodwill         $ 18,600        
Purchase price, percentage of adjusted tangible book value         155.00%