Operating Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Operating Segment Information [Abstract]

Operating Income (Loss) by Operating Segment

	North		Southeast
	Sea		Asia		Americas			Other			Total
	(In thousands)
Quarter Ended June 30, 2011
Revenue	$	43,836	$	15,678	$	37,397		$	—		$	96,911
Direct operating expenses		20,727		2,887		23,294			—			46,908
Drydock expense		2,371		1,755		(443	)		—			3,683
General and administrative expenses		2,689		761		1,930			5,530			10,910
Depreciation and amortization expense		4,970		2,431		7,132			449			14,982
Operating income (loss)	$	13,079	$	7,844	$	5,484		$	(5,979	)	$	20,428
Quarter Ended June 30, 2010
Revenue	$	37,217	$	16,841	$	38,724		$	—		$	92,782
Direct operating expenses		19,299		2,385		20,974			—			42,658
Drydock expense		1,489		1,637		3,033			—			6,159
General and administrative expenses		2,700		763		2,361			5,632			11,456
Depreciation and amortization expense		4,624		2,036		7,084			233			13,977
(Gain) loss on sale of assets		—		—		109			(3	)		106
Impairment charge		—		—		97,665			—			97,665
Operating income (loss)	$	9,105	$	10,020	$	(92,502	)	$	(5,862	)	$	(79,239	)
	North		Southeast
	Sea		Asia		Americas			Other			Total
	(In thousands)
Six Months Ended June 30, 2011
Revenue	$	79,235	$	31,213	$	67,752		$	—		$	178,200
Direct operating expenses		41,441		5,749		44,035			—			91,225
Drydock expense		5,441		1,940		2,826			—			10,207
General and administrative expenses		5,923		1,435		4,199			10,776			22,333
Depreciation and amortization expense		9,757		4,882		14,238			781			29,658
Loss on sale of assets		—		—		10			—			10
Operating income (loss)	$	16,673	$	17,207	$	2,444		$	(11,557	)	$	24,767
Six Months Ended June 30, 2010
Revenue	$	72,492	$	32,668	$	72,273		$	—		$	177,433
Direct operating expenses		39,465		4,710		41,552			—			85,727
Drydock expense		3,519		3,583		6,021			—			13,123
General and administrative expenses		5,521		1,362		4,547			11,757			23,187
Depreciation and amortization expense		9,284		4,001		14,212			455			27,952
(Gain) loss on sale of assets		—		—		109			(3	)		106
Impairment charge		—		—		97,665			—			97,665
Operating income (loss)	$	14,703	$	19,012	$	(91,833	)	$	(12,209	)	$	(70,327	)