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Regulatory Matters (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Classification
Dec. 31, 2020
USD ($)
Regulatory Matters [Abstract]    
Number of classifications of prompt corrective action regulations | Classification 5  
Tier 1 capital (to average assets) [Abstract]    
Minimum assets SBHCP requires $ 12,747  
Bank [Member]    
Tier 1 capital (to average assets) [Abstract]    
Actual Amount $ 126,201 $ 120,989
Actual Ratio 0.103 0.107
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount $ 104,387 $ 90,407
To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio 0.085 0.080