Subsequent Event (Details) (Subsequent Event [Member], USD $) In Thousands, except Share data, unless otherwise specified	Aug. 05, 2014	Aug. 04, 2014
Subsequent Event [Member]
Subsequent Event [Line Items]
Business Acquisition, Cost of Acquired Entity, Percentage Stock Consideration	60.00%
Business Acquisition, Share Price		$ 36.17
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 130,600
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares of Company Stock Issued for Each Share of Acquiree Stock	0.5523
Business Acquisition, Cost of Acquired Entity, Percentage Cash Paid	40.00%
Business Acquisition, Equity Interest Issued or Issuable Shareholders Option To Receive, Cash Per Share	$ 21.00