Acquisition (Details) - USD ($) $ in Thousands		9 Months Ended
	Aug. 01, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Acquisition [Abstract]
Cash paid in business combination	$ 1,700
Common stock issued for acquisition	$ 5,400	$ 5,430	$ 0
Common stock issued for acquisition, shares	136,543
Business Acquisition [Line Items]
Cash	$ 10
Deferred tax assets	516
Goodwill	6,082	$ 64,196		$ 58,114
Identifiable intangible assets	7,515
Other assets	202
Contingent consideration liability	2,904
Total asset acquired	14,325
Deferred tax liabilities	2,803
Other liabilities	1,507
Total liabilities assumed	7,214
Net assets acquired	$ 7,111