4. Loans and Allowance For Loan Losses (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Unearned discount	$ 10,858	$ 10,857
Commercial real estate	21,488,000	26,414,000
Commercial And Industrial
Net Credit Loss on Loans Managed or Securitized or Asset-backed Financing Arrangement	52,000	$ 41,000
Owner Occupied
Commercial real estate	19,700,000
Religious Organizations
Commercial real estate	$ 8,600,000
Loans Receivable Portfolio Percentage (by segment)	34.00%

Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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Balance Type:	debit
Period Type:	instant