Supplemental Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following table summarizes results for each of the four quarters in the years ended December 31, 2012 and 2011.

	First Quarter			Second Quarter		Third Quarter			Fourth Quarter			Year
	(In thousands, except per share)
Year ended December 31, 2012:
Total revenues	$	109,069		$	104,610	$	107,763		$	101,610		$	423,052
Operating income	$	26,795		$	20,837	$	21,573		$	10,588		$	79,793
Net income (loss)	$	7,779		$	32,822	$	(7,176	)	$	1,678		$	35,103
Net income (loss) per common share(a):
Basic	$	0.64		$	2.70	$	(0.59	)	$	0.14		$	2.89
Diluted	$	0.64		$	2.70	$	(0.59	)	$	0.14		$	2.89
Weighted average common shares outstanding:
Basic	12,164			12,164		12,164			12,164			12,164
Diluted	12,164			12,164		12,164			12,164			12,164
Year ended December 31, 2011:
Total revenues	$	109,173		$	109,543	$	101,064		$	106,648		$	426,428
Operating income	$	44,036		$	45,258	$	32,878		$	9,633		$	131,805
Net income (loss)	$	(7,875	)	$	42,668	$	74,523		$	(15,493	)	$	93,823
Net income (loss) per common share(a):
Basic	$	(0.65	)	$	3.51	$	6.13		$	(1.27	)	$	7.72
Diluted	$	(0.65	)	$	3.51	$	6.13		$	(1.27	)	$	7.71
Weighted average common shares outstanding:
Basic	12,156			12,162		12,163			12,163			12,161
Diluted	12,156			12,163		12,163			12,163			12,162

(a) The sum of the individual quarterly net income (loss) per share amounts may not agree to the total for the year since each period’s computation is based on the weighted average number of common shares outstanding during each period.