XML 67 R80.htm IDEA: XBRL DOCUMENT v3.19.3
Business Combinations (Additional Information) (Details)
$ / shares in Units, $ in Thousands
Jul. 01, 2019
USD ($)
office
$ / shares
shares
Sep. 30, 2019
USD ($)
office
Jun. 30, 2019
USD ($)
Jun. 28, 2019
$ / shares
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Subsequent Event [Line Items]                    
Number of banking offices | office   75                
Assets   $ 4,355,882       $ 3,929,090        
Equity   562,927 $ 499,411   $ 479,187 458,640 $ 376,123 $ 370,540 $ 364,005 $ 364,571
Goodwill   $ 120,835       $ 103,681        
Citizens First                    
Subsequent Event [Line Items]                    
Direct acquisition costs $ 3,100                  
Goodwill 17,036                  
Intangible assets 4,547                  
Non-deductible goodwill for tax purposes $ 17,000                  
Cash portion, cash per share for common stock converted (USD per share) | $ / shares $ 5.80                  
Number of the Company's common stock for each share converted (in shares) | shares 0.6629                  
Shares of common stock issued for acquisition (in shares) | shares 1,664,000                  
Aggregate amount of cash consideration paid $ 15,500                  
Citizens First | Acquired non-impaired loans                    
Subsequent Event [Line Items]                    
Fair value of non-impaired loans and customers receivables acquired 351,100                  
Unpaid principal balance non-impaired loans and customers receivables acquired 355,100                  
Citizens First | Acquired impaired loans                    
Subsequent Event [Line Items]                    
Fair value of purchased credit-impaired loans as of the date of acquisition 6,000                  
Cash flows for purchase credit impaired loans expected to be collected as of the date of acquisition 6,700                  
Citizens First | CFB 401(k) Plan Shares                    
Subsequent Event [Line Items]                    
Cash portion, cash per share for common stock converted (USD per share) | $ / shares       $ 25.77            
Additional cash per share for common stock converted (USD per share) | $ / shares       $ 5.80            
Citizens First | Core Deposits                    
Subsequent Event [Line Items]                    
Intangible assets $ 4,500                  
Weighted average useful live of acquired intangibles 8 years                  
Citizens First                    
Subsequent Event [Line Items]                    
Number of banking offices | office 8                  
Assets $ 456,000                  
Equity $ 49,800