Loans (Schedule of the Aging of Loans by Loan Categories) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual		$ 245
Total Loans	$ 686,231	664,866
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	236,394	214,767
Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual		245
Total Loans	94,675	104,779
Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	9,359	6,325
Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	316,073	321,168
Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	25,948	11,152
Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	3,374	6,639
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non Accrual
Total Loans	408	36
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	686,231	664,609
Current [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	236,394	214,767
Current [Member] | Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	94,675	104,534
Current [Member] | Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	9,359	6,325
Current [Member] | Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	316,073	321,168
Current [Member] | Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	25,948	11,152
Current [Member] | Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,374	6,639
Current [Member] | Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	408	24
30-59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans		12
30-59 Days [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
30-59 Days [Member] | Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans		12
60-89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
60-89 Days [Member] | Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans
90 Days and over [Member] | Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans