Summary of Accounting Policies (Cash and Cash Equivalents) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 10,300,000	$ 15,301,000	$ 6,841,000	$ 8,762,000
Cash and cash equivalents which exceeded federally-insured limits	2,200,000
Cash Held in Foreign Banks
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 6,500,000	$ 8,000,000