Fair Value Measurements and Interest Rate Swaps (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of Interest Rate Derivatives

The following table provides additional details related to each of these swap contracts:

Derivative	Effective Date	Notional Amount (in millions)	Fixed Interest Rate
Interest rate swap 1	November 21, 2011	$25.0	1.185%
Interest rate swap 2	November 21, 2011	$25.0	1.185%
Interest rate swap 3	December 21, 2011	$50.0	1.100%
Interest rate swap 4	January 17, 2012	$25.0	1.050%
Interest rate swap 5	January 19, 2012	$25.0	0.990%

Estimated fair value of swap contracts

The table below presents the estimated fair value of our interest rate swap contracts (in thousands):

	Fair Value at
	June 30,
Level 2	2013			2012
Unrealized Losses on Interest Rate Swaps	$	(1,431	)	$	(2,608	)