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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Current	$ 986,894	$ 919,381
Non-Accrual	2,972	795
Total Past Due and Non-Accrual	3,834	5,295
Total Loans	990,728	924,676
Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	463	1,218
Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	399	3,282
Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Residential Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Current	225,328	228,242
Non-Accrual	465	567
Total Past Due and Non-Accrual	792	1,539
Total Loans	226,120	229,781
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	245	727
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	82	245
Residential Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Current	396,296	388,117
Non-Accrual	2,191	99
Total Past Due and Non-Accrual	2,517	3,210
Total Loans	398,813	391,327
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	52	176
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	274	2,935
Commercial Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Construction Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Current	15,182	17,695
Non-Accrual	0	0
Total Past Due and Non-Accrual	0	37
Total Loans	15,182	17,732
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Construction Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	37
Construction Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Commercial [Member]
Financing Receivable, Past Due [Line Items]
Current	194,823	134,018
Non-Accrual	25	50
Total Past Due and Non-Accrual	94	132
Total Loans	194,917	134,150
Commercial [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	69	82
Commercial [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Commercial [Member] | Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	0	0
Consumer Loans To Individuals [Member]
Financing Receivable, Past Due [Line Items]
Current	155,265	151,309
Non-Accrual	291	79
Total Past Due and Non-Accrual	431	377
Total Loans	155,696	151,686
Consumer Loans To Individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	97	233
Consumer Loans To Individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	43	65
Consumer Loans To Individuals [Member] | Financing Receivables, Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past Due	$ 0	$ 0

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