Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2019 Segment Payment
Nature of Operations [Abstract]
Number of operating segments | Segment	2
Cash and Cash Equivalents [Abstract]
Federal funds and debt instruments maturity period	3 months
Loans Held for Sale [Abstract]
Mortgage loans selling period	45 days
Percentage of costs expensed on appropriate noninterest expense	74.60%
Income Taxes [Abstract]
Realized income tax benefit	50.00%
Loans Receivable and Related Interest Income [Abstract]
Period for interest or principal of loans to become past due	90 days
Minimum number of consecutive contractual payments | Payment	6
Real Estate Owned [Abstract]
Period of allowance for loan losses to be considered to the extent the net carrying value of the loan exceeds the estimated fair value	90 days
Office properties [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives of office properties and equipment	P10Y
Office properties [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives of office properties and equipment	P30Y
Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives of office properties and equipment	P3Y
Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives of office properties and equipment	P10Y
Software [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives of office properties and equipment	P3Y