Trade, Other and Loans Receivable Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			$ 557
Ending balance	$ 624		624
Commercial – owner occupied
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	60	$ 35	64	$ 77
Charge-offs	0	0	0	0
Recoveries	2	1	3	63
Provision	(15)	(2)	(20)	(106)
Ending balance	47	34	47	34
Commercial – other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	11	28	12	28
Charge-offs	0	0	0	0
Recoveries	11	11	22	18
Provision	(12)	(9)	(24)	(16)
Ending balance	10	30	10	30
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	567	346	481	319
Charge-offs	0	0	0	(3)
Recoveries	5	6	12	14
Provision	(5)	(54)	74	(32)
Ending balance	567	298	567	298
Financing Receivable Loans Total
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	638	409	557	424
Charge-offs	0	0	0	(3)
Recoveries	18	18	37	95
Provision	(32)	(65)	30	(154)
Ending balance	$ 624	$ 362	$ 624	$ 362