Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Foreign Currency Gains and Losses

Foreign currency (gains) losses for the periods presented were as follows:

	Years Ended December 31,
(In thousands)	2020		2019		2018
(Gain) loss on foreign currency related to re-measurement of U.S. dollar denominated debt held in Canada	$	(9,344)	$	(22,307)	$	37,724
(Gain) loss on other transactions	(2,839)		1,200		(1,470)
(Gain) loss on foreign currency	$	(12,183)	$	(21,107)	$	36,254

Schedule of Property, Plant and Equipment. Weighted Average Useful Lives

The estimated useful lives of the assets are as follows:

Land improvements	Approximately		25 years
Buildings	25 years	-	40 years
Rides	Approximately		20 years
Equipment	3 years	-	10 years

Schedule of Weighted Average Number of Units

The unit amounts used in calculating the basic and diluted earnings per limited partner unit for the years ended December 31, 2020, 2019 and 2018 are as follows:

	Years Ended December 31,
(In thousands, except per unit amounts)	2020		2019		2018
Basic weighted average units outstanding	56,476		56,349		56,212
Effect of dilutive units:
Deferred units (Note 10)	—		50		48
Performance units (Note 10)	—		118		135
Restricted units (Note 10)	—		275		312
Unit options (Note 10)	—		129		153
Diluted weighted average units outstanding	56,476		56,921		56,860
Net (loss) income per unit - basic	$	(10.45)	$	3.06	$	2.25
Net (loss) income per unit - diluted	$	(10.45)	$	3.03	$	2.23