Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Reconciliation between basic and diluted earnings per share

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Net income attributable to Norwegian Cruise Line Holdings Ltd.	$	201,078	$	170,858	$	363,961	$	65,622
Net income	$	203,278	$	172,894	$	368,249	$	66,479
Basic weighted-average shares outstanding		203,220,218		204,425,308		204,444,469		202,279,989
Dilutive effect of awards		5,286,963		6,277,936		5,548,178		6,393,619
Diluted weighted-average shares outstanding		208,507,181		210,703,244		209,992,647		208,673,608
Basic earnings per share	$	0.99	$	0.84	$	1.78	$	0.32
Diluted earnings per share	$	0.97	$	0.82	$	1.75	$	0.32