Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Derivative Instruments

Schedule of fair value of derivative by contract type

	Derivatives
		Fair Value
		Years Ended December 31,
Derivatives Designated as Hedging Instruments	Balance Sheet Location	2013		2012
		(in thousands)
Interest rate contracts	Liabilities under derivative instruments	$	—	$	1,690

Schedule of income effects of cash flow hedging relationships

		Amount of Loss (Gain) Recognized on Derivatives in the Statements of Income
Derivatives in Cash Flow Hedging	Location of Loss (Gain) Recognized on	Years Ended December 31,
Relationships	Derivatives in the Statements of Income	2013		2012		2011
		(in thousands)
Interest rate contracts	Interest expense	$	1,485	$	6,427	$	11,349
Reclassification adjustment for losses included in termination of derivative instruments	Loss on debt extinguishment and derivatives termination	—		10,143		—
Total		$	1,485	$	16,570	$	11,349

Schedule of information about financial statement effects related to cash flow hedges

Derivatives in	Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)						Location of Loss (Gain) Reclassified from Accumulated OCI into	Amount of Loss (Gain) Reclassified from Accumulated OCI into Income (Effective Portion)
Cash Flow Hedging	Years Ended December 31,						Income	Years Ended December 31,
Relationships	2013		2012		2011		(Effective Portion)	2013		2012		2011
	(in thousands)							(in thousands)
Interest rate contracts*	$	1,690	$	508	$	1,933	Interest expense	$	1,485	$	6,427	$	11,349
Total	$	1,690	$	508	$	1,933	Total	$	1,485	$	6,427	$	11,349

* These amounts are shown net of $1.9 million, $6.7 million and $10.9 million of interest payments reclassified to the income statement during the years ended December 31, 2013, 2012 and 2011, respectively.