Loans and Allowances for Loan Losses (Details 4) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans Receivable, Gross, Commercial, Mortgage	$ 16,577	$ 18,583
Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	263	274
Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	11,155	11,898
Pass 1
Loans Receivable, Gross, Commercial, Mortgage	3,788	4,896
Special Mention
Loans Receivable, Gross, Commercial, Mortgage	2	52
Substandard
Loans Receivable, Gross, Commercial, Mortgage	1,095	1,183
Doubtful
Loans Receivable, Gross, Commercial, Mortgage	274	280
Performing
Loans and Leases Receivable, Gross, Consumer, Mortgage	721	710
Loans and Leases Receivable, Gross, Consumer, Other	666	677
Total consumer loans	1,387	1,387
Nonperforming
Loans and Leases Receivable, Gross, Consumer, Mortgage	399	516
Loans and Leases Receivable, Gross, Consumer, Other	31	57
Total consumer loans	430	573
Subtotal
Loans and Leases Receivable, Gross, Consumer, Mortgage	1,120	1,226
Loans and Leases Receivable, Gross, Consumer, Other	697	734
Total consumer loans	1,817	1,960
Commercial And Industrial
Loans Receivable, Gross, Commercial, Mortgage	1,385	1,545
Commercial And Industrial | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	250	250
Commercial And Industrial | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	845	964
Commercial And Industrial | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	124
Commercial And Industrial | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	2	0
Commercial And Industrial | Substandard
Loans Receivable, Gross, Commercial, Mortgage	212	231
Commercial And Industrial | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	76	76
Commercial Real Estate Portfolio Segment
Loans Receivable, Gross, Commercial, Mortgage	15,192	17,038
Commercial Real Estate Portfolio Segment | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	13	24
Commercial Real Estate Portfolio Segment | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	10,310	11,034
Commercial Real Estate Portfolio Segment | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	3,788	4,772
Commercial Real Estate Portfolio Segment | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	52
Commercial Real Estate Portfolio Segment | Substandard
Loans Receivable, Gross, Commercial, Mortgage	883	952
Commercial Real Estate Portfolio Segment | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	198	204
Consumer Real Estate | Performing | Home Equity 1
Loans and Leases Receivable, Gross, Consumer, Mortgage	160	197
Consumer Real Estate | Performing | Home Equity Line Of Credit
Loans and Leases Receivable, Gross, Consumer, Mortgage	14	15
Consumer Real Estate | Performing | N14 Family Residential Mortgages
Loans and Leases Receivable, Gross, Consumer, Mortgage	547	498
Consumer Real Estate | Nonperforming | Home Equity 1
Loans and Leases Receivable, Gross, Consumer, Mortgage	399	431
Consumer Real Estate | Nonperforming | Home Equity Line Of Credit
Loans and Leases Receivable, Gross, Consumer, Mortgage	0	0
Consumer Real Estate | Nonperforming | N14 Family Residential Mortgages
Loans and Leases Receivable, Gross, Consumer, Mortgage	0	85
Consumer Real Estate | Subtotal | Home Equity 1
Loans and Leases Receivable, Gross, Consumer, Mortgage	559	628
Consumer Real Estate | Subtotal | Home Equity Line Of Credit
Loans and Leases Receivable, Gross, Consumer, Mortgage	14	15
Consumer Real Estate | Subtotal | N14 Family Residential Mortgages
Loans and Leases Receivable, Gross, Consumer, Mortgage	547	583
Commercial | Commercial And Industrial
Loans Receivable, Gross, Commercial, Mortgage	1,050	1,055
Commercial | Commercial And Industrial | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	250	250
Commercial | Commercial And Industrial | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	586	592
Commercial | Commercial And Industrial | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	0
Commercial | Commercial And Industrial | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	2	0
Commercial | Commercial And Industrial | Substandard
Loans Receivable, Gross, Commercial, Mortgage	212	213
Commercial | Commercial And Industrial | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial
Loans Receivable, Gross, Commercial, Mortgage	0	18
:S B A Loans | Commercial And Industrial | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial | Substandard
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial And Industrial | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial Real Estate Portfolio Segment
Loans Receivable, Gross, Commercial, Mortgage	235	248
:S B A Loans | Commercial Real Estate Portfolio Segment | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial Real Estate Portfolio Segment | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	172	179
:S B A Loans | Commercial Real Estate Portfolio Segment | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial Real Estate Portfolio Segment | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	0
:S B A Loans | Commercial Real Estate Portfolio Segment | Substandard
Loans Receivable, Gross, Commercial, Mortgage	63	69
:S B A Loans | Commercial Real Estate Portfolio Segment | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	0	0
Asset Based | Commercial And Industrial
Loans Receivable, Gross, Commercial, Mortgage	335	472
Asset Based | Commercial And Industrial | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	0	0
Asset Based | Commercial And Industrial | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	259	272
Asset Based | Commercial And Industrial | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	124
Asset Based | Commercial And Industrial | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	0
Asset Based | Commercial And Industrial | Substandard
Loans Receivable, Gross, Commercial, Mortgage	0	18
Asset Based | Commercial And Industrial | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	76	76
Commercial Mortgages | Commercial Real Estate Portfolio Segment
Loans Receivable, Gross, Commercial, Mortgage	7,971	9,532
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	0	0
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	5,551	5,814
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	1,733	2,759
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	52
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Substandard
Loans Receivable, Gross, Commercial, Mortgage	489	703
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	198	204
Construction | Commercial Real Estate Portfolio Segment
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Substandard
Loans Receivable, Gross, Commercial, Mortgage	0	0
Construction | Commercial Real Estate Portfolio Segment | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	0	0
Religious Organizations | Commercial Real Estate Portfolio Segment
Loans Receivable, Gross, Commercial, Mortgage	6,986	7,258
Religious Organizations | Commercial Real Estate Portfolio Segment | Good Excellent
Loans Receivable, Gross, Commercial, Mortgage	13	24
Religious Organizations | Commercial Real Estate Portfolio Segment | Satisfactory
Loans Receivable, Gross, Commercial, Mortgage	4,587	5,041
Religious Organizations | Commercial Real Estate Portfolio Segment | Pass 1
Loans Receivable, Gross, Commercial, Mortgage	2,055	2,013
Religious Organizations | Commercial Real Estate Portfolio Segment | Special Mention
Loans Receivable, Gross, Commercial, Mortgage	0	0
Religious Organizations | Commercial Real Estate Portfolio Segment | Substandard
Loans Receivable, Gross, Commercial, Mortgage	331	180
Religious Organizations | Commercial Real Estate Portfolio Segment | Doubtful
Loans Receivable, Gross, Commercial, Mortgage	0	0
Student Loans | Consumer And Other Loans | Performing
Loans and Leases Receivable, Gross, Consumer, Other	585	565
Student Loans | Consumer And Other Loans | Nonperforming
Loans and Leases Receivable, Gross, Consumer, Other	31	57
Student Loans | Consumer And Other Loans | Subtotal
Loans and Leases Receivable, Gross, Consumer, Other	616	622
Other 1 | Consumer And Other Loans | Performing
Loans and Leases Receivable, Gross, Consumer, Other	81	112
Other 1 | Consumer And Other Loans | Nonperforming
Loans and Leases Receivable, Gross, Consumer, Other	0	0
Other 1 | Consumer And Other Loans | Subtotal
Loans and Leases Receivable, Gross, Consumer, Other	$ 81	$ 112