Loans by Type (Schedule of the Credit Exposure of the Loan Portfolio) (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Participating Mortgage Loans [Line Items]
Loans		$ 767,384	$ 721,587
Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	763,468	718,439
Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	3,916	3,148
Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans		325,077	277,091
Commercial and Industrial [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	322,491	275,308
Commercial and Industrial [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	2,586	1,783
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		83,925	95,605
Real Estate Commercial Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	83,925	95,447
Real Estate Commercial Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]		158
Real Estate Commercial Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans			11,858
Real Estate Commercial Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	24,026	11,858
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 Faith-based Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans		318,809	316,147
Real Estate Church, church-related Mortgage [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	317,479	314,940
Real Estate Church, church-related Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]	1,330	1,207
Real Estate Church, church-related Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church, church-related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans		15,545	20,576
Real Estate Church, church-related Construction [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	15,545	20,576
Real Estate Church, church-related Construction [Member] | Performing Loans Subject To Special Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[2]
Real Estate Church, church-related Construction [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		2	310
Other Financing Receivable [Member] | Loans Subject To Normal Monitoring [Member]
Participating Mortgage Loans [Line Items]
Loans	[1]	2	310
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.