Loans by Type (Schedule of the Credit Exposure of the Loan Portfolio) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Participating Mortgage Loans [Line Items]
Loans		$ 658,090	$ 664,866
Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	654,990	658,984
Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	2,885	5,637
Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	215	245
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans		213,942	214,767
Commercial and Industrial [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	211,820	213,024
Commercial and Industrial [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	2,122	1,743
Commercial and Industrial [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans		94,485	104,779
Real Estate Commercial Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	93,560	103,778
Real Estate Commercial Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	710	756
Real Estate Commercial Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	215	245
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans		14,919	6,325
Real Estate Commercial Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	14,919	6,325
Real Estate Commercial Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Commercial Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans		322,614	321,168
Real Estate Church Related Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	322,561	318,030
Real Estate Church Related Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	53	3,138
Real Estate Church Related Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans		7,907	11,152
Real Estate Church Related Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	7,907	11,152
Real Estate Church Related Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church Related Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Loans		4,191	6,639
Industrial Revenue Bonds [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	4,191	6,639
Industrial Revenue Bonds [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Industrial Revenue Bonds [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Loans		32	36
Other Financing Receivable [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	32	36
Other Financing Receivable [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Other Financing Receivable [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
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 obligations.

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