LEASES (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Supplemental Lease Balance Sheet Information

The following table presents our finance lease balances and their classification on the consolidated balance sheets (in thousands):

Finance Lease Balances (Classification)	December 31, 2020		December 31, 2019
ROU assets (Property, plant and equipment, net)	$	60,271	$	32,307
Current portion of lease liabilities (Accrued expenses)	5,840		801
Long-term portion of lease liabilities (Other long-term liabilities)	55,038		34,517

Schedule of Lease Expense and Other Information

The Company’s lease expense was as follows (in thousands):

	For the year ended December 31, 2020		For the year ended December 31, 2019
Operating lease cost	$	53,194	$	55,402
Finance lease cost:
Amortization of ROU assets	4,966		1,142
Interest on lease liabilities	1,523		1,415
Total finance lease cost	6,489		2,557
Short-term lease cost	70,692		84,749
Variable lease cost	3,691		6,702
Total lease cost	$	134,066	$	149,410

Rent expense, including short-term rentals for the year ended December 31, 2018, prior to the Company's adoption of ASC 842, was $141.1 million.

Other information related to leases was as follows:

Weighted Average Remaining Lease Term (years)	December 31, 2020		December 31, 2019
Operating leases	5.1		5.1
Finance leases	9.3		21.3
Weighted Average Discount Rate
Operating leases	4.89	%	5.29	%
Finance leases	3.57	%	4.97	%

The weighted average remaining lease term of the finance leases decreased significantly due to the 2020 acquisition of the Company's corporate headquarters which had previously been recognized as a finance lease.

Supplemental Cash Flow Related Disclosures (in thousands)	For the year ended December 31, 2020		For the year ended December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	53,498	$	56,240
Operating cash flows from finance leases	1,523		1,415
Financing cash flows from finance leases	4,469		586
ROU assets obtained in exchange for operating lease liabilities	34,358		17,699
ROU assets obtained in exchange for finance lease liabilities	32,526		33,449

Schedule of Operating Lease Maturity

At December 31, 2020, the Company's future lease payments under non-cancelable leases that have lease terms in excess of one year were as follows (in thousands):

Years ending December 31,	December 31, 2020
	Operating Leases		Finance Leases
2021	$	45,341	$	8,407
2022	37,629		8,972
2023	29,014		8,281
2024	21,048		8,248
2025	14,672		7,573
Thereafter	25,064		31,632
Total future lease payments	172,768		73,113
Amount representing interest	(21,760)		(12,235)
Total lease liabilities	$	151,008	$	60,878

Schedule of Finance Lease Maturity

At December 31, 2020, the Company's future lease payments under non-cancelable leases that have lease terms in excess of one year were as follows (in thousands):

Years ending December 31,	December 31, 2020
	Operating Leases		Finance Leases
2021	$	45,341	$	8,407
2022	37,629		8,972
2023	29,014		8,281
2024	21,048		8,248
2025	14,672		7,573
Thereafter	25,064		31,632
Total future lease payments	172,768		73,113
Amount representing interest	(21,760)		(12,235)
Total lease liabilities	$	151,008	$	60,878