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BUSINESS COMBINATIONS, Windmark (Details) - USD ($)
$ in Thousands
1 Months Ended
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Assets acquired [Abstract]        
Goodwill recorded in acquisition   $ 18,757 $ 0 $ 0
Windmark Insurance Agency, Inc. [Member] | Crop Insurance Agency in Texas [Member]        
Assets Acquired and Liabilities Assumed [Abstract]        
Cash paid $ 2,800      
Assets acquired [Abstract]        
Premises and equipment, net 8      
Other assets 290      
Total assets acquired 2,607      
Goodwill recorded in acquisition 193      
Windmark Insurance Agency, Inc. [Member] | Crop Insurance Agency in Texas [Member] | Customer List [Member]        
Assets acquired [Abstract]        
Intangible assets 1,800      
Windmark Insurance Agency, Inc. [Member] | Crop Insurance Agency in Texas [Member] | Other Intangible Assets [Member]        
Assets acquired [Abstract]        
Intangible assets $ 509