Acquisitions (Narrative) (Details) - HDB, Inc. [Member] $ in Thousands	Aug. 22, 2014 USD ($)	Aug. 22, 2014 USD ($)
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Aug. 22, 2014
Business Acquisition, Name of Acquired Entity		HDB Ltd. Limited Partnership ("HDB").
Business Combination, Consideration Transferred		$ 5,551
Tax deductible goodwill	$ 3,065	$ 3,065