Loans by Type (Summary of Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Participating Mortgage Loans [Line Items]
Beginning Balance	$ 10,175	$ 11,635
Charge-Offs
Recoveries	27	38
Provision		(1,000)
Ending Balance	10,202	10,673
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	3,261	3,083
Charge-Offs
Recoveries	27	38
Provision	(61)	217
Ending Balance	3,227	3,338
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	1,662	2,803
Charge-Offs
Recoveries
Provision	(160)	(1,179)
Ending Balance	1,502	1,624
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	47	9
Charge-Offs
Recoveries
Provision	54	93
Ending Balance	101	102
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	4,027	4,082
Charge-Offs
Recoveries
Provision	20	48
Ending Balance	4,047	4,130
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	85	217
Charge-Offs
Recoveries
Provision	(26)	(102)
Ending Balance	59	115
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	101	320
Charge-Offs
Recoveries
Provision	(37)	(47)
Ending Balance	64	273
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	992	1,121
Charge-Offs
Recoveries
Provision	210	(30)
Ending Balance	$ 1,202	$ 1,091

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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-Publisher FASB
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No definition available.

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Amount of expense related to estimated loss from loan and lease transactions.

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
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