Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Components of debt

The components of our debt for the past two years were as follows (in thousands):

	December 31,
	2012		2011
Long-term debt:
Revolving Credit Facility, variable rate (described below)	$	230,882	$	147,300
Floating Rate Senior Notes (described below)	—		100,000
Total debt	$	230,882	$	247,300

Schedule of interest rate swaps

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	%

Changes in deferred financing costs

The changes in deferred financing costs are as follows (in thousands):

	2012			2011
Deferred financing costs:
Balance at beginning of year	$	3,451		$	2,172
Financing costs deferred	—			1,674
Write-off fully amortized deferred financing costs	(396		)	(395		)
Balance at end of year	3,055			3,451
Accumulated amortization of deferred financing costs:
Balance at beginning of year	(1,581		)	(1,652		)
Amortization of deferred financing costs	(388		)	(324		)
Write-off fully amortized deferred financing costs	396			395
Balance at end of year	(1,573		)	(1,581		)
Deferred financing costs, net of accumulated amortization	$	1,482		$	1,870