XML 87 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Business Combinations (Detail)
$ / shares in Units, $ in Thousands
Sep. 30, 2020
USD ($)
$ / shares
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]          
Assets   $ 3,779,138 $ 3,763,659    
Deposits   3,100,216 3,102,327    
Stockholders' equity   $ 324,802 $ 304,966 $ 274,959 $ 262,830
Scenario, Forecast | Bank of Akron          
Business Acquisition [Line Items]          
Share price (in dollars per share) | $ / shares $ 215.00        
Share conversion ratio 6.6729        
Percentage of shares exchanged 75.00%        
Bank of Akron | Scenario, Forecast          
Business Acquisition [Line Items]          
Assets $ 388,500        
Deposits 341,400        
Stockholders' equity $ 38,700