XML 105 R87.htm IDEA: XBRL DOCUMENT v3.20.4
GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Line Items]      
Subsequent fair value adjustments $ (3,632) $ (2,294)  
Goodwill net additions recorded   428,200  
Carrying value of intangible assets 71,974 91,600  
Amortization of intangible assets 19,612 17,713 $ 9,512
Fidelity Southern Corporation      
Goodwill [Line Items]      
Subsequent fair value adjustments $ (3,600)    
Goodwill net additions recorded   430,500  
Hamilton State Bancshares, Inc.      
Goodwill [Line Items]      
Subsequent fair value adjustments   1,100  
Atlantic Coast Financial Corporation      
Goodwill [Line Items]      
Subsequent fair value adjustments   (2,600)  
US Premium Financing Holding Company      
Goodwill [Line Items]      
Subsequent fair value adjustments   (792)  
Core deposit premiums | Minimum      
Goodwill [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 7 years    
Core deposit premiums | Maximum      
Goodwill [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 10 years    
Core deposit premiums | Fidelity Southern Corporation      
Goodwill [Line Items]      
Acquired finite-lived intangible assets   $ 50,600  
Insurance agent relationships | US Premium Financing Holding Company      
Goodwill [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 8 years    
US Premium Finance trade name | US Premium Financing Holding Company      
Goodwill [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 7 years 7 years  
Non-compete agreement | US Premium Financing Holding Company      
Goodwill [Line Items]      
Acquired finite-lived intangible assets, weighted average useful life 3 years   3 years