Loans by Type (Summary of Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Participating Mortgage Loans [Line Items]
Beginning Balance	$ 10,175	$ 11,635
Charge-Offs
Recoveries	21	37
Provision		(1,000)
Ending Balance	10,196	10,672
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	3,261	3,083
Charge-Offs
Recoveries	21	37
Provision	144	497
Ending Balance	3,426	3,617
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	1,662	2,803
Charge-Offs
Recoveries
Provision	(164)	(1,113)
Ending Balance	1,498	1,690
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	47	9
Charge-Offs
Recoveries
Provision	16	96
Ending Balance	63	105
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	4,027	4,082
Charge-Offs
Recoveries
Provision	61	34
Ending Balance	4,088	4,116
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	85	217
Charge-Offs
Recoveries
Provision	8	(30)
Ending Balance	93	187
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	101	320
Charge-Offs
Recoveries
Provision	(25)	(34)
Ending Balance	76	286
Other Financing Receivable [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	992	1,121
Charge-Offs
Recoveries
Provision	(40)	(450)
Ending Balance	$ 952	$ 671

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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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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-SubTopic 225
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