Leases (Tables)

6 Months Ended

Jun. 30, 2023

Leases [Abstract]

Schedule of Components of Lease Expense

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

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2023		2022		2023		2022
Operating lease expense	$	3,387	$	3,912	$	6,861	$	8,069
Short-term lease expense(a)	12,692		12,991		26,611		27,435
	16,079		16,903		33,472		35,504
Less: Sublease income	198		190		392		380
Total lease expense	$	15,881	$	16,713	$	33,080	$	35,124

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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 June 30, 2023			As of December 31, 2022
Assets
Right-of-use assets	Other assets	$	47,692		$	50,825
Total lease assets		$	47,692		$	50,825
Liabilities
Current lease liabilities	Accrued expenses and other current liabilities	$	5,710		$	6,709
Long-term lease liabilities	Other long-term liabilities	47,154			49,176
Total lease liabilities		$	52,864		$	55,885
Weighted-average remaining lease term		11.0 years			11.0 years
Weighted-average discount rate		11.90		%	11.77		%

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

	Six Months Ended June 30,
(in thousands)	2023		2022
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	(6,807)	$	(7,717)
Non-cash activity:
Right-of-use assets obtained in exchange for lease liabilities	$	807	$	7,887

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 June 30, 2023:

Year (in thousands)	Operating Leases
2023 (excluding the six months ended June 30, 2023)	$	5,956
2024	10,224
2025	9,109
2026	7,556
2027	6,770
Thereafter	58,094
Total lease payments	97,709
Less: Imputed interest	44,845
Total	$	52,864