Regulatory Matters - Guidelines Governing the Classification of Capital Tiers (Details)	Sep. 30, 2022
Banking and Thrift, Interest [Abstract]
Tier 1 Capital to Average Assets (Leverage), Well capitalized	0.05
Tier 1 Capital to Average Assets (Leverage), Adequately capitalized	0.04
Tier 1 Capital to Average Assets (Leverage), Undercapitalized	4.00%
Tier 1 Capital to Average Assets (Leverage), Significantly undercapitalized	3.00%
Common Equity Tier 1 to Risk-Weighted Assets, Well capitalized	6.50%
Common Equity Tier 1 to Risk-Weighted Assets, Adequately capitalized	4.50%
Common Equity Tier 1 to Risk-Weighted Assets, Undercapitalized	4.50%
Common Equity Tier 1 to Risk-Weighted Assets, Significantly undercapitalized	3.00%
Tier 1 Capital to Risk-Weighted Assets, Well capitalized	0.08
Tier 1 Capital to Risk-Weighted Assets, Adequately capitalized	0.06
Tier 1 Capital to Risk-Weighted Assets, Undercapitalized	6.00%
Tier 1 Capital to Risk-Weighted Assets, Significantly undercapitalized	4.00%
Total Capital to Risk-Weighted Assets, Well capitalized	0.10
Total Capital to Risk-Weighted Assets, Adequately capitalized	0.08
Total Capital to Risk-Weighted Assets, Undercapitalized	8.00%
Total Capital to Risk-Weighted Assets, Significantly undercapitalized	6.00%
Critically undercapitalized	2.00%