Leases (Tables)

9 Months Ended

Sep. 30, 2023

Leases [Abstract]

Schedule of Components of Lease Expense

The following table presents components of lease expense for the three and nine months ended September 30, 2023 and 2022:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2023		2022		2023		2022
Operating lease expense	$	4,701	$	3,685	$	11,562	$	11,754
Short-term lease expense(a)	12,881		15,393		39,492		42,828
	17,582		19,078		51,054		54,582
Less: Sublease income	198		193		590		573
Total lease expense	$	17,384	$	18,885	$	50,464	$	54,009

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

Schedule of Supplemental Financial Statement Information Related to Leases

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

(dollars in thousands)	Balance Sheet Line Item	As of September 30, 2023			As of December 31, 2022
Assets
Right-of-use assets	Other assets	$	47,728		$	50,825
Total lease assets		$	47,728		$	50,825
Liabilities
Current lease liabilities	Accrued expenses and other current liabilities	$	5,996		$	6,709
Long-term lease liabilities	Other long-term liabilities	46,929			49,176
Total lease liabilities		$	52,925		$	55,885
Weighted-average remaining lease term		10.7 years			11.0 years
Weighted-average discount rate		12.02		%	11.77		%

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

	Nine Months Ended September 30,
(in thousands)	2023		2022
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	(11,484)	$	(11,007)
Non-cash activity:
Right-of-use assets obtained in exchange for lease liabilities	$	3,629	$	16,305

Schedule of Maturity of Operating Lease Liabilities on an Undiscounted Basis

The following table presents maturities of operating lease liabilities on an undiscounted basis as of September 30, 2023:

Year (in thousands)	Operating Leases
2023 (excluding the nine months ended September 30, 2023)	$	3,138
2024	10,985
2025	9,623
2026	7,831
2027	7,053
Thereafter	58,165
Total lease payments	96,795
Less: Imputed interest	43,870
Total	$	52,925