XML 74 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1
Business Combinations - Additional Information (Detail)
 12 Months Ended
Aug. 10, 2018
USD ($)
Branch
Mar. 10, 2017
USD ($)
Branch
Feb. 29, 2016
USD ($)
Branch
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Business Acquisition [Line Items]            
Acquisition date       Oct. 16, 2009    
Goodwill       $ 666,539,000 $ 116,564,000 $ 89,533,000
Merger related expenses       $ 16,404,000 2,251,000 $ 1,897,000
Valley Commerce Bancorp [Member]            
Business Acquisition [Line Items]            
Acquisition date       Mar. 10, 2017    
Acquired assets and assumed liabilities for cash   $ 23,200,000        
Assets and assumed all of the liabilities, stock   37,600,000        
Goodwill   27,000,000        
Core deposit intangible assets   3,200,000        
Total fair value of assets acquired   405,900,000        
Cash and cash equivalents   28,300,000        
FHLB stock   2,000,000        
Loans and lease finance receivables   309,700,000        
Fixed assets   5,300,000        
Bank-Owned Life Insurance   9,400,000        
Other assets   21,000,000        
Total fair value of liabilities assumed   368,300,000        
Deposits   361,800,000        
Other liabilities   $ 6,500,000        
Merger related expenses       $ 0 2,100,000  
Valley Business Bank [Member]            
Business Acquisition [Line Items]            
Number of branches owned by merger company | Branch   4        
Community Bank [Member]            
Business Acquisition [Line Items]            
Acquisition date       Aug. 10, 2018    
Number of branches owned by merger company | Branch 16          
Acquired assets and assumed liabilities for cash $ 180,719,000          
Assets and assumed all of the liabilities, stock 722,767,000          
Goodwill 549,975,000          
Core deposit intangible assets $ 52,200,000          
Percentage of core deposits to total deposits 2.26%          
Total fair value of assets acquired $ 3,716,260,000          
Cash and cash equivalents 47,802,000          
FHLB stock 17,250,000          
Loans and lease finance receivables 2,734,081,000          
Bank-Owned Life Insurance 70,904,000          
Other assets 54,479,000          
Total fair value of liabilities assumed 353,511,000          
Deposits 2,869,986,000          
Other liabilities 29,192,000          
Merger related expenses       $ 16,400,000    
FHLB advances 166,000,000          
Gross contractual amount receivable, as of acquisition date 3,000,000,000          
contractual principal cash flows, loans not expected to be collected $ 4,500,000          
County Commerce Bank [Member]            
Business Acquisition [Line Items]            
Acquisition date       Feb. 29, 2016    
Number of branches owned by merger company | Branch     4      
Acquired assets and assumed liabilities for cash     $ 20,600,000      
Assets and assumed all of the liabilities, stock     21,600,000      
Goodwill     15,300,000      
Core deposit intangible assets     3,900,000      
Total fair value of assets acquired     252,400,000      
Cash and cash equivalents     54,800,000      
FHLB stock     1,500,000      
Loans and lease finance receivables     168,000,000      
Fixed assets     8,600,000      
Other assets     289,000      
Total fair value of liabilities assumed     230,800,000      
Deposits     224,200,000      
Other liabilities     1,600,000      
Merger related expenses       $ 0 $ 145,000  
FHLB advances     $ 5,000,000