Concentrations of Credit Risk (Details) - Credit Concentration Risk [Member] - Tier 1 Capital Plus Allowance for Loan and Lease Losses [Member]	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Hotel/Motel Industry Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	44.00%	43.00%
Lessors of Residential Buildings and Dwellings Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	37.00%	41.00%
Lessors of Non-residential Buildings Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	39.00%	38.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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