Long-Term Debt Interest Rate Swaps (Details)	Jun. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Long-term Debt, Weighted Average Interest Rate	2.28%	2.39%

Weighted average interest rate of long-term debt outstanding.

No definition available.

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant