Loans (Schedule of the Credit Exposure of the Loan Portfolio) (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total Loans		$ 686,231	$ 664,866
Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	683,190	658,984
Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]	3,041	5,637
Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]		245
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		236,394	214,767
Commercial and Industrial [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	234,271	213,024
Commercial and Industrial [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]	2,123	1,743
Commercial and Industrial [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Real Estate Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		94,675	104,779
Real Estate Commercial Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	93,788	103,778
Real Estate Commercial Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]	887	756
Real Estate Commercial Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]		245
Real Estate Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		9,359	6,325
Real Estate Commercial Construction [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	9,359	6,325
Real Estate Commercial Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Real Estate Commercial Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Real Estate Church Related Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		25,948	11,152
Real Estate Church Related Construction [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	25,948	11,152
Real Estate Church Related Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Real Estate Church Related Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Real Estate Church Related Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		316,073	321,168
Real Estate Church Related Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	316,042	318,030
Real Estate Church Related Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]	31	3,138
Real Estate Church Related Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Industrial Revenue Bonds [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		3,374	6,639
Industrial Revenue Bonds [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	3,374	6,639
Industrial Revenue Bonds [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Industrial Revenue Bonds [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		408	36
Other [Member] | Loans Subject To Normal Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[1]	408	36
Other [Member] | Performing Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]
Other [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	[2]

[1] Loans subject to normal monitoring involve borrowers of acceptable-to-strong credit quality and risk, who have the apparent ability to satisfy their loan obligation.

[2] Loans subject to special monitoring possess some credit deficiency or potential weakness which requires a high level of management attention.