LEASES (Tables)

9 Months Ended

Sep. 30, 2019

Leases

Schedule of components of lease expense

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
	(in thousands)
Operating lease expense	$	5,651	$	16,632
Variable lease expense		878		2,491
Sublease income		(99)		(235)
Total operating lease expense	$	6,430	$	18,888

Schedule of operating cash flows from operating lease activity

	Nine Months Ended
	September 30, 2019
	(in thousands)
Noncash change in operating right-of-use assets	$	15,093
Change in operating lease liabilities		(14,567)
Operating right-use-of-assets and lease liabilities, net	$	526
Cash paid for amounts included in the measurement of operating lease liabilities	$	(16,256)

Schedule of supplemental balance sheet information related to lease liabilities

	September 30, 2019
	(in thousands, except lease term and discount rate)
			Land and		Equipment
Operating leases		Total	Structures		and Others
Operating right-of-use assets (long-term)	$	67,404	$	65,906	$	1,498
Operating lease liabilities (current)	$	18,492	$	17,498	$	994
Operating lease liabilities (long-term)		52,782		52,285		497
Total operating lease liabilities	$	71,274	$	69,783	$	1,491
Weighted-average remaining lease term (in years)		5.4
Weighted-average discount rate		3.88%

Schedule of maturities of operating lease liabilities

Maturities of operating lease liabilities at September 30, 2019 were as follows:

					Equipment
			Land and		and
	Total		Structures(1)		Other
	(in thousands)
Remainder of 2019	$	5,419	$	5,156	$	263
2020		20,131		19,132		999
2021		15,604		15,334		270
2022		11,189		11,189		—
2023		8,068		8,068		—
Thereafter		18,676		18,676		—
Total lease payments		79,087		77,555		1,532
Less imputed interest		(7,813)		(7,772)		(41)
Total	$	71,274	$	69,783	$	1,491

(1) Excludes future minimum payments for a lease which was executed but had not yet commenced as of September 30, 2019 of $34.7 million which will be paid over 12 years. The Company plans to take possession of the leased space in mid-2020.

Schedule of maturities of operating lease liabilities at December 31, 2018

The future minimum rental commitments, net of minimum rentals to be received under noncancelable subleases, as of December 31, 2018 for all noncancelable operating leases were as follows:

					Equipment
			Land and		and
	Total		Structures(1)		Other
	(in thousands)
2019	$	19,130	$	18,067	$	1,063
2020		14,620		13,676		944
2021		10,972		10,716		256
2022		7,125		7,125		—
2023		4,477		4,477		—
Thereafter		5,850		5,850		—
Total	$	62,174	$	59,911	$	2,263

(1) Excludes future minimum payments for leases which were executed but had not yet commenced as of December 31, 2018 of approximately $21.0 million which will be paid over 10 years.