Loans and the Allowance for Loan Losses, Credit Quality (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	$ 700,996	$ 603,882
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	670,688	570,194
OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	13,253	14,567
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	17,055	19,121
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Total Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	477,675	471,524
Total Mortgage Loans on Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	449,285	442,457
Total Mortgage Loans on Real Estate [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	12,216	12,289
Total Mortgage Loans on Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	16,174	16,778
Total Mortgage Loans on Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	100,746	94,827
Residential 1-4 Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	98,829	92,458
Residential 1-4 Family [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	1,138
Residential 1-4 Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	1,917	1,231
Residential 1-4 Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	281,628	285,429
Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	256,898	260,948
Commercial [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	11,696	10,014
Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	13,034	14,467
Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	23,715	23,116
Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	22,920	22,219
Construction [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	74	162
Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	721	735
Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Second Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	17,557	17,128
Second Mortgages [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	16,952	16,445
Second Mortgages [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	446	475
Second Mortgages [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	159	208
Second Mortgages [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	54,029	51,024
Equity Line of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	53,686	50,387
Equity Line of Credit [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	500
Equity Line of Credit [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	343	137
Equity Line of Credit [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	60,003	54,434
Commercial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	58,192	49,979
Commercial Loans [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	1,037	2,278
Commercial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	774	2,177
Commercial Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Automobile Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	94,041	10,407
Automobile Loan [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	93,984	10,407
Automobile Loan [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Automobile Loan [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	57	0
Automobile Loan [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	56,386	48,500
Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	56,336	48,334
Consumer Loans [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Consumer Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	50	166
Consumer Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	12,891	19,017
Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	12,891	19,017
Other [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	0	0
Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan receivables, gross carrying amount	$ 0	$ 0