Leases (Tables)

3 Months Ended

Mar. 31, 2020



	Three Months Ended
	March 31,
(in thousands)	2020		2019
Operating lease expense	$	3,767	$	3,781
Short-term lease expense^(a)		17,265		16,571
		21,032		20,352
Less: Sublease income		329		259
Total lease expense	$	20,703	$	20,093

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(a)Short-term lease expense includes all leases with lease terms ranging from less than one month to one year. Short-term leases include, among other things, construction equipment rented on an as-needed basis as well as temporary housing.

Supplemental Financial Statement Information Related To Leases

The following table presents supplemental balance sheet information related to operating leases:



		As of March 31,		As of December 31,
(dollars in thousands)	Balance Sheet Line Item	2020		2019
Assets
ROU assets	Other assets	$	37,262	$	40,156
Total lease assets		$	37,262	$	40,156
Liabilities
Current lease liabilities	Accrued expenses and other current liabilities	$	10,511	$	11,392
Long-term lease liabilities	Other long-term liabilities		29,883		31,900
Total lease liabilities		$	40,394	$	43,292
Weighted-average remaining lease term (in years)			4.9		5.0
Weighted-average discount rate			5.99%		5.96%

The following table presents supplemental cash flow information and non-cash activity related to operating leases:



	Three Months Ended
	March 31,
(in thousands)	2020		2019
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	(3,770)	$	(3,765)
Non-cash activity:
ROU assets obtained in exchange for lease liabilities	$	132	$	1,798

Maturity of Leases Liabilities on an Undiscounted Basis

The following table presents maturities of operating lease liabilities on an undiscounted basis as of March 31, 2020:



Year (in thousands)	Operating Leases
2020 (excluding the three months ended March 31, 2020)	$	9,948
2021		9,438
2022		8,034
2023		6,761
2024		5,093
Thereafter		7,618
Total lease payments		46,892
Less: Imputed interest		6,498
Total	$	40,394