Summary of Significant Accounting Policies Correction of immaterial error table (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
total revenues [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 5,800
Operating Income (Loss) [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	5,000
Net income line item [Member]
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 3,200