LEASES (Tables)

9 Months Ended

Sep. 30, 2019

LEASES [Abstract]

Schedule of Lease Assets and Liabilities, Weighted-Average Lease Term and Discount Rate

		September 30
in thousands	Classification on the Balance Sheet	2019
Assets
Operating lease right-of-use assets		$     435,986
Accumulated amortization		(25,153)
Total lease assets	Operating lease right-of-use assets, net	$     410,833
Liabilities
Current
Operating	Other current liabilities	$       30,282
Noncurrent
Operating	Operating lease liabilities	391,079
Total lease liabilities		$     421,361
Lease Term and Discount Rate
Weighted-average remaining lease term (years)
Operating leases		9.6
Weighted-average discount rate
Operating leases		4.4%

Components of Nonmineral Lease Expense

	Three Months Ended		Nine Months Ended
	September 30		September 30
in thousands		2019		2019
Lease Cost
Operating lease cost		$       14,057		$       42,352
Short-term lease cost 1		8,756		25,378
Variable lease cost		3,637		10,194
Sublease income		(774)		(2,192)
Total lease cost		$       25,676		$       75,732

¹ We have elected to recognize the cost of leases with an initial term of one month or less within our short-term lease cost.

Maturity Analysis on an Undiscounted Basis

	Operating
in thousands	Leases
Maturity of Lease Liabilities
2019 (remainder)	$       13,260
2020	49,226
2021	45,559
2022	41,185
2023	36,641
Thereafter	607,307
Total minimum lease payments	$     793,178
Less: Lease payments representing interest	371,817
Present value of future minimum lease payments	$     421,361
Less: Current obligations under leases	30,282
Long-term lease obligations	$     391,079

Future Minimum Operating Lease Payments

in thousands
Future Minimum Operating Lease Payments
2019	$       47,979
2020	43,540
2021	35,732
2022	27,463
2023	19,707
Thereafter	195,104
Total	$     369,525