Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Components of Lease Expense

The following table presents components of lease expense for the years ended December 31, 2022 and 2021:

	For the year ended December 31,
(in thousands)	2022		2021
Operating lease expense	$	15,278	$	14,733
Short-term lease expense(a)	57,713		72,047
	72,991		86,780
Less: Sublease income	766		697
Total lease expense	$	72,225	$	86,083

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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 December 31,
(dollars in thousands)	Balance Sheet Line Item	2022			2021
Assets
ROU assets	Other assets	$	50,825		$	53,462
Total lease assets		$	50,825		$	53,462
Liabilities
Current lease liabilities	Accrued expenses and other current liabilities	$	6,709		$	7,481
Long-term lease liabilities	Other long-term liabilities	49,176			50,057
Total lease liabilities		$	55,885		$	57,538
Weighted-average remaining lease term		11.0 years			12.0 years
Weighted-average discount rate		11.77		%	9.44		%

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

	As of December 31,
(in thousands)	2022		2021
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	(14,247)	$	(13,799)
Non-cash activity:
ROU assets obtained in exchange for lease liabilities	$	16,349	$	6,979

Maturity of Leases Liabilities on an Undiscounted Basis

The following table presents maturities of operating lease liabilities on an undiscounted basis as of December 31, 2022:

Year (in thousands)	Operating Leases
2023	$	12,374
2024	9,885
2025	8,907
2026	7,478
2027	6,770
Thereafter	58,094
Total lease payments	103,508
Less: Imputed interest	47,623
Total	$	55,885