LEASES (Tables)

9 Months Ended

Sep. 30, 2020

LEASES

Schedule of lease expense

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
	(in thousands)
Operating lease costs	$	1,640	$	2,355	$	5,858	$	6,870
Finance lease costs:
Amortization of assets		4,840		3,903		14,347		9,553
Interest on lease liabilities		789		671		2,342		1,820
Total finance lease costs		5,629		4,574		16,689		11,373
Variable and short-term lease costs		837		71		1,248		844
Total lease costs	$	8,106	$	7,000	$	23,795	$	19,087

Schedule of supplemental balance sheet information

	September 30, 2020			December 31, 2019
Operating leases:	(dollars in thousands)
Operating lease right-of-use assets	$	9,714		$	11,775
Current operating lease obligations		2,732			6,050
Long-term operating lease obligations		7,209			5,812
Total operating lease liabilities	$	9,941		$	11,862
Finance leases:
Property and equipment, at cost		118,726			120,236
Accumulated amortization		(38,143)			(30,990)
Property and equipment, net	$	80,583		$	89,246
Current finance lease obligations		23,717			30,779
Long-term finance lease obligations		57,451			58,397
	$	81,168		$	89,176
Weighted average remaining lease term:		(in months)			(in months)
Operating leases		64			45
Finance leases		39			44
Weighted average discount rate:
Operating leases		3.61	%		4.03	%
Finance leases		3.53	%		3.34	%

Schedule of supplemental cash flow and other information

	September 30, 2020		September 30, 2019
Cash paid for amounts included in measurement of liabilities:	(in thousands)
Operating cash flows from operating leases	$	138	$	48
Operating cash flows from finance leases		2,342		1,820
Financing cash flows from finance leases		16,490		10,021
ROU assets obtained in exchange for lease liabilities:
Operating leases	$	3,400	$	1,393
Finance leases		8,481		27,348