Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Fair Value of Asset Acquired and Liabilities Assumed (Details)

v3.20.2
Business Combinations - Fair Value of Asset Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Feb. 28, 2020
Nov. 05, 2019
Apr. 02, 2019
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]            
Goodwill       $ 77,681 $ 68,503 $ 18,253
First Beeville Financial Corporation            
Business Acquisition [Line Items]            
Cash and cash equivalents     $ 60,491      
Securities available for sale     57,206      
Loans held for investment     296,397      
Premises and equipment     5,184      
Other real estate owned     1,359      
Goodwill     25,848      
Core deposit intangible     5,695      
Other assets     12,618      
Total assets acquired     464,798      
Deposits     398,427      
Other liabilities     515      
Total liabilities assumed     398,942      
Common stock issued     33,479      
Business acquisition, cash paid     $ 32,377      
Chandler Bancorp, Inc.            
Business Acquisition [Line Items]            
Cash and cash equivalents   $ 84,240        
Loans held for investment   252,037        
Premises and equipment   10,849        
Goodwill   22,124        
Core deposit intangible   850        
Other assets   3,247        
Total assets acquired   373,347        
Deposits   271,742        
FHLB Borrowings   38,242        
Other liabilities   857        
Total liabilities assumed   310,841        
Common stock issued   44,604        
Business acquisition, cash paid   $ 17,902        
Simmons Bank            
Business Acquisition [Line Items]            
Cash and cash equivalents $ 418          
Loans held for investment 255,455          
Premises and equipment 2,195          
Goodwill 11,456          
Core deposit intangible 10          
Other assets 1,756          
Total assets acquired 271,290          
Deposits 139,672          
Other liabilities 47          
Total liabilities assumed 139,719          
Business acquisition, cash paid $ 131,571