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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.

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- Definition An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4531-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 + Details
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