Summary Of Significant Accounting Policies Cash and cash equivalents (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Cash and cash equivalents	$ 42,196,000	$ 40,406,000	$ 40,402,000	$ 40,315,000
Earnings expected to be repatriated during fiscal year	2,000,000
Foreign Subsidiaries [Member]
Cash and cash equivalents	$ 3,600,000