Leases (Tables)

6 Months Ended

Jun. 30, 2022

Leases [Abstract]

Components of Lease Expense

The components of lease expense were as follows (U.S. dollars in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2022		2021			2022		2021
Operating lease expense
Operating lease cost	$	10,261	$	12,400		$	20,700	$	25,215
Variable lease cost		1,494		1,656			2,651		3,024
Short-term lease cost		67		238			97		577
Sublease income		—		(1,828	)		—		(3,812	)
Finance lease expense
Amortization of right-of-use assets		546		606			1,102		1,217
Interest on lease liabilities		59		83			125		171
Total lease expense	$	12,427	$	13,155		$	24,675	$	26,392

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases was as follows (U.S. dollars in thousands):

	Six Months Ended June 30,
	2022		2021
Operating cash outflow from operating leases	$	19,895	$	27,470
Operating cash outflow from finance leases	$	128	$	173
Financing cash outflow from finance leases	$	927	$	956
Right-of-use assets obtained in exchange for operating lease obligations	$	25,793	$	13,729
Right-of-use assets obtained in exchange for finance lease obligations	$	—	$	59

Maturities of Lease Liabilities

Maturities of lease liabilities were as follows (U.S. dollars in thousands):

Year Ending December 31	Operating Leases		Finance Leases
2022	$	18,364	$	997
2023		26,495		1,926
2024		19,945		1,823
2025		14,381		1,296
2026		8,387		261
Thereafter		49,038		—
Total		136,610		6,303
Less: Finance charges		17,990		393
Total principal liability	$	118,620	$	5,910