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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, 2018	Dec. 31, 2017
Hotel/Motel Industry Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	41.00%	47.00%
Lessors of Non-residential Buildings Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	39.00%	45.00%
Lessors of Residential Buildings and Dwellings Credits [Member]
Concentration Risk [Abstract]
Concentration of credit risk	39.00%	39.00%

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- References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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