Acquisition (Narrative) (Details) (Platinum Health Services, LLC [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jun. 30, 2014	Jul. 12, 2013	Jun. 30, 2014	Jul. 12, 2013
Business Acquisition [Line Items]
Total purchase consideration		$ 50,766
Cash payments to acquire business		5,000
Equity interest issued to acquiree (number of shares)		1,215
Equity interest issued to acquiree (fair value)				30,062
Contingent consideration, fair value	15,704
Acquired finite-lived intangible assets			21,300	21,000
Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired finite-lived intangible assets				$ 21,300
Weighted average useful life of acquired finite-lived intangible assets		10 years