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Income Tax - (Narrative) (Details) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Dec. 22, 2017
Sep. 30, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Federal statutory income tax rate 34.00% 34.00% 21.00% 21.00% 34.00%
AMT credit carryover     $ 408,000    
State net operating loss     $ 27,400,000    
State net operating loss expiration year     Dec. 31, 2024    
Recognized deferred income tax liability     $ 14,700,000    
Unrecorded deferred income tax liability     3,100,000    
Effect of "Tax Cuts and Jobs Act"         $ 2,000,000
Universal Bancorp [Member]          
Operating loss carryforwards     $ 7,100,000    
Operating loss carryforwards, limitations on use     The use of this carryforward is limited to $1.3 million annually.    
Operating loss carryforwards limitations on use annual amount     $ 1,300,000