Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Schedule of Contributions made to Multi-Employer Plans

Contributions we made to the multi-employer plans for the years ended December 31, 2020, 2019 and 2018 are included in the table below (in thousands):

Benefit Plan	2020		2019		2018
Pension Plan	$	2,480	$	3,103	$	3,017
Health Plan	7,688		9,949		9,310
Other plans	929		1,108		1,106
Total plan contributions	$	11,097	$	14,160	$	13,433