Commitments (Tables)

12 Months Ended

Dec. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments Under Operating Leases

Future minimum lease payments under operating leases as of December 31, 2015 are as follows:

(U.S. Dollars in thousands)
2016	$	3,531
2017		2,905
2018		2,629
2019		2,175
2020		1,732
Thereafter		1,729
	$	14,701