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Regulatory Matters - Additional Information (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Banking and Thrift, Interest [Abstract]    
Minimum ratio of tier 1 capital to total adjusted assets 0.040  
Minimum ratio of common equity tier 1 to risk-weighted assets 7.00%  
Minimum ratio of tier 1 leverage ratio, For capital adequacy purposes 0.085 0.0400
Minimum ratio of total capital to risk-weighted assets 0.105  
Capital conversation buffer 0.0250  
Tier 1 capital ratio, To be well capitalized 0.050  
Common equity tier 1 risk-based ratio, To be well capitalized 6.50%  
Tier 1 risk-based capital, To be well capitalized under prompt corrective action ratio 0.080  
Total risk-based capital, To be well capitalized under prompt corrective action ratio 0.100  
Capital conservation buffer (as a percent) 2.50%