Allowance for Loan Losses (Activity in Loans which were First Deemed to be TDRs) (Details) - Loans First Deemed To Be TDRs [Member] $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	2
Pre-Modification Outstanding Recorded Investment	$ 75
Post-Modification Outstanding Recorded Investment	$ 75
Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1
Pre-Modification Outstanding Recorded Investment	$ 59
Post-Modification Outstanding Recorded Investment	$ 59
Real Estate Loans: Home Equity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans \| loan	1
Pre-Modification Outstanding Recorded Investment	$ 16
Post-Modification Outstanding Recorded Investment	$ 16

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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