Loans Receivable and Allowance for Loan Losses (Allowance for Loan Losses and Recorded Investment in Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	$ 13,150	$ 8,509
Charge Offs	(168)	(150)
Recoveries	27	29
Provision for loan losses	1,500	700
Ending balance,	14,509	9,088
Ending balance individually evaluated for impairment	38	392
Ending balance collectively evaluated for impairment	14,471	8,696
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	1,960	1,552
Charge Offs	(5)	(1)
Recoveries	2	2
Provision for loan losses	167	91
Ending balance,	2,124	1,644
Ending balance collectively evaluated for impairment	2,124	1,644
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	8,004	4,687
Charge Offs		(33)
Recoveries	4	4
Provision for loan losses	1,076	257
Ending balance,	9,084	4,915
Ending balance individually evaluated for impairment		392
Ending balance collectively evaluated for impairment	9,084	4,523
Construction Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	150	95
Provision for loan losses	(28)	(8)
Ending balance,	122	87
Ending balance collectively evaluated for impairment	122	87
Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	1,360	949
Charge Offs	(60)
Recoveries	8	10
Provision for loan losses	97	105
Ending balance,	1,405	1,064
Ending balance individually evaluated for impairment	38
Ending balance collectively evaluated for impairment	1,367	1,064
Consumer Loans To Individuals [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	1,676	1,226
Charge Offs	(103)	(116)
Recoveries	13	13
Provision for loan losses	188	255
Ending balance,	1,774	1,378
Ending balance collectively evaluated for impairment	$ 1,774	$ 1,378

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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