Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2020

Asset Retirement Obligation Disclosure [Abstract]

Changes In Asset Retirement Obligation Liability

The changes in the Company’s ARO liability consisted of the following:

	December 31, 2020		December 31, 2019
	(In thousands)
Beginning balance asset retirement obligations	$	61,195	$	61,223
Additional obligations	4,637		3,721
Accretion expense	1,928		1,540
Change in estimates	—		—
Payments	(5,709)		(6,041)
Foreign currency translation adjustments	1,439		752
Ending balance asset retirement obligations	63,490		61,195
Less: current portion of asset retirement obligations	6,517		5,701
Ending balance asset retirement obligations, excluding current portion	$	56,973	$	55,494