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Principles of Consolidation (Details) - USD ($)
1 Months Ended 3 Months Ended
May 31, 2021
Oct. 31, 2020
Dec. 31, 2019
Jun. 30, 2022
Jun. 30, 2021
Mar. 31, 2022
Nov. 30, 2019
PRINCIPLES OF CONSOLIDATION              
Number of shares additional issued 500 500          
Additional Shares exercised 500 500          
Trust Company              
PRINCIPLES OF CONSOLIDATION              
Number of shares issued     1,500        
Number of stock options exercised     1,500        
Non controlling Interest       $ 213,000   $ 212,000  
Net income attributable to the noncontrolling interest       $ 2,000 $ 2,000    
Trust Company | Riverview Community Bank              
PRINCIPLES OF CONSOLIDATION              
Ownership percentage       97.30%     100.00%
Trust Company | Riverview Trust Company's President And Chief Executive Officer              
PRINCIPLES OF CONSOLIDATION              
Noncontrolling interest percentage       2.70%