Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Components of Lease Expense

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

	Year Ended December 31, 2019
Operating lease cost	$	51,072
Variable lease cost		3,387
Short-term lease cost		169
Sublease income		(5,743	)
Total lease expense	$	48,885

Supplemental Cash Flow Information Related to Leases

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

	Year Ended December 31, 2019
Operating cash outflow	$	54,993
ROU assets obtained in exchange for lease liabilities	$	184,502

Maturities of Operating Lease Liabilities

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

Year Ending December 31,	Operating Leases
2020	$	45,942
2021		38,545
2022		23,822
2023		17,949
2024		12,876
Thereafter		31,368
Total		170,502
Less: Imputed interest		25,452
Total lease liability	$	145,050

Minimum Future Operating Leases and Financing Obligations

Under ASC Topic 840, minimum future operating leases and financing obligations at December 31, 2018 are as follows (U.S. dollars in thousands):

Year Ending December 31,	Operating Leases		Financing Obligations
2019	$	39,358	$	726
2020		27,553		748
2021		20,266		757
2022		11,723		770
2023		9,950		794
Thereafter		7,628		1,148
Total minimum lease payments	$	116,478	$	4,943