Commitments and Contingencies Line of Credit (Details) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Commitments and Contingencies [Abstract]
Line of Credit Maintained		$ 5,000,000
Line of Credit Facility, Expiration Date	Jul. 01, 2015
Restricted Investments, Current		6,253,000	0
Number of Letter of Credit		1
Letters of Credit Outstanding, Amount		$ 113,000