Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lease, Cost

Components of lease expense, included in either cost of revenues or general and administrative expense based on the use of the underlying asset, are as follows (inclusive of lease expense for leases not included on our consolidated balance sheet based on our accounting policy election to exclude leases with a term of 12 months or less):

	Year Ended December 31,
	2020		2019
	(In Thousands)
Operating lease expense	$	13,946	$	15,131
Short-term lease expense	17,125		36,348
Total lease expense	$	31,071	$	51,479

Supplemental cash flow information:

	Year Ended December 31,
	2020		2019
	(In Thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows - operating leases	$	13,612	$	15,064
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	5,612	$	3,944

Supplemental balance sheet information:

	December 31, 2020		December 31, 2019
	(In Thousands)
Operating leases:
Operating lease right-of-use assets	$	43,448	$	47,125
Accrued liabilities and other	$	8,795	$	9,144
Operating lease liabilities	$	37,569	$	40,097
Total operating lease liabilities	$	46,364	$	49,241

Future Minimum Lease Payments Table

Future minimum lease payments by year and in the aggregate, under non-cancelable operating leases with terms in excess of one year consist of the following at December 31, 2020:

	Operating Leases
	(In Thousands)
2021	$	12,798
2022	10,910
2023	8,673
2024	7,202
2025	5,332
Thereafter	18,460
Total lease payments	63,375
Less imputed interest	(17,011)
Total lease liabilities	$	46,364