Loans by Type (Summary of Loan Categories) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Participating Mortgage Loans [Line Items]
Loans	$ 702,000	$ 686,231
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans	256,381	236,394
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	90,742	94,675
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans	15,708	9,359
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	307,654	316,073
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans	28,932	25,948
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Loans	2,557	3,374
Other Loan [Member]
Participating Mortgage Loans [Line Items]
Loans	$ 26	$ 408

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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