Lease and Financing Obligations (Tables)

12 Months Ended

Dec. 31, 2018

Lease and Financing Obligations [Abstract]

Minimum Future Operating Leases and Financing Obligations

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