XML 50 R26.htm IDEA: XBRL DOCUMENT v3.20.1
Business Combination and Asset Purchase - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jan. 01, 2019
USD ($)
Office
$ / shares
shares
Dec. 13, 2013
USD ($)
Mar. 31, 2020
USD ($)
shares
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
shares
Business Acquisition [Line Items]          
Common stock, shares outstanding | shares     12,230,000   12,230,000
Recognition of core deposit intangible asset with acquired purchase     $ 3,900    
Remaining economic useful life     7 years    
Goodwill     $ 47,340   $ 47,340
Fair value adjustment of loans acquired and accounted $ 2,118   0   $ 62
Amortization expense     182 $ 182  
Amortization expense     $ 721    
Core Deposits [Member] | Custar [Member]          
Business Acquisition [Line Items]          
Recognition of core deposit intangible asset with acquired purchase   $ 1,170      
Remaining economic useful life     7 years    
Limberlost Bancshares, Inc. [Member]          
Business Acquisition [Line Items]          
Common stock issued in exchange of each outstanding share | shares 1,830,000        
Total consideration for acquisition $ 78,902     78,902  
Cash paid for acquisition 8,465        
Stock issued for acquisition 70,437        
Goodwill 43,266        
Limberlost Bancshares, Inc. [Member] | Core Deposits [Member]          
Business Acquisition [Line Items]          
Recognition of core deposit intangible asset with acquired purchase $ 3,900        
Remaining economic useful life 7 years        
Bank of Geneva [Member]          
Business Acquisition [Line Items]          
Number of full-service offices | Office 6        
Limberlost Bancshares, Inc. [Member]          
Business Acquisition [Line Items]          
Common stock issued in exchange of each outstanding share | shares 1,830        
Cash payment for exchange of each share | $ / shares $ 8,465.00        
Common stock, shares outstanding | shares 1,000        
Share price | $ / shares $ 38.49        
Total consideration for acquisition $ 78,900        
Cash paid for acquisition 8,500     $ 8,465  
Stock issued for acquisition $ 70,400