Trade, Other and Loans Receivable Past Due Loans (Accruing and Nonaccruing) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Receivable [Line Items]
Current	$ 76,209	$ 77,127
30-89 days past due	375	52
Financing Receivable, Recorded Investment, More than 90 Days Past Due	69	441
Total past due	444	493
Total loans	76,653	77,620
Recorded investment in accruing loans 90 days past due	50	52
Nonaccrual loans that are current	0	0
Guarantee by USDA or SBA		4
Commercial – owner occupied
Receivable [Line Items]
Current	1,218	1,228
30-89 days past due	375	49
Financing Receivable, Recorded Investment, More than 90 Days Past Due	3	373
Total past due	378	422
Total loans	1,596	1,650
Recorded investment in accruing loans 90 days past due	0	0
Nonaccrual loans that are current	0	0
Commercial – other
Receivable [Line Items]
Current	282	264
30-89 days past due	0	0
Financing Receivable, Recorded Investment, More than 90 Days Past Due	0	0
Total past due	0	0
Total loans	282	264
Recorded investment in accruing loans 90 days past due	0	0
Nonaccrual loans that are current	0	0
Total real estate loans
Receivable [Line Items]
Current	1,500	1,492
30-89 days past due	375	49
Financing Receivable, Recorded Investment, More than 90 Days Past Due	3	373
Total past due	378	422
Total loans	1,878	1,914
Recorded investment in accruing loans 90 days past due	0	0
Nonaccrual loans that are current	0	0
Commercial and industrial
Receivable [Line Items]
Current	74,709	75,635
30-89 days past due	0	3
Financing Receivable, Recorded Investment, More than 90 Days Past Due	66	68
Total past due	66	71
Total loans	74,775	75,706
Recorded investment in accruing loans 90 days past due	50	52
Nonaccrual loans that are current	$ 0	$ 0