XML 39 R44.htm IDEA: XBRL DOCUMENT v3.19.3
Acquisitions - Additional Information (Detail) - USD ($)
 1 Months Ended 9 Months Ended
Sep. 30, 2019
Mar. 26, 2019
Sep. 30, 2019
Dec. 31, 2018
Business Acquisition [Line Items]        
Common stock, shares outstanding 44,969,021   44,969,021 38,375,407
Acquisition of goodwill $ 151,238,000   $ 151,238,000 $ 119,880,000
Increased in value of premises and equipment 799,000      
Increase in value of intangibles 127,000      
Decrease in value of other assets 932,000      
Decrease in value of total deposits $ 6,000      
Salin Bank and Trust Company [Member]        
Business Acquisition [Line Items]        
Exchange ratio per share   23907.50%    
Cash paid for each share   $ 87,417.17    
Common stock, shares outstanding   275,000    
Common stock issued   6,563,697    
Market closing price per share   $ 15.65    
Estimated transaction value   $ 126,700,000    
Costs related to the acquisition   5,600,000    
Total purchase price   126,722,000    
Net intangible assets acquired   19,818,000    
Acquisition of goodwill   $ 31,358,000    
Core deposit intangible amortization period     10 years