Summary Of Significant Accounting Policies Cash and cash equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Cash and cash equivalents	$ 49,137	$ 42,492	$ 42,196	$ 40,406
Repatriated Cash from Foreign Subsidiary	2,000
Foreign Subsidiaries [Member]
Cash and cash equivalents	$ 1,000	$ 3,000