Fair Value Measurements (Financial Assets and Liabilities Carried at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	$ 745
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	0	[1]
Interest Rate Cash Flow Hedge Liability at Fair Value			0	[1]
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	745	[1]
Interest Rate Cash Flow Hedge Liability at Fair Value			(1,788)	[1]
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	0	[1]
Interest Rate Cash Flow Hedge Liability at Fair Value			0	[1]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	745	[1]
Interest Rate Cash Flow Hedge Liability at Fair Value			$ (1,788)	[1]

[1] The fair value of the interest rate swap is determined based on forward yield curves.