Fair Value Measurements (Narrative) (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in Affiliates	$ 14,711,000	$ 14,581,000
Cost Method Investment, Ownership Percentage	10.00%
Investment in IPXI [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in Affiliates	3,118,000	3,118,000	2,500,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		$ 600,000