Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of Lease Portfolio

A summary of the Company’s lease portfolio as of December 31, 2020 and 2019 is presented in the table below:

(U.S. Dollars, in thousands, except lease term and discount rate)	Classification	December 31, 2020			December 31, 2019
Assets
Operating leases	Other long-term assets	$	4,840		$	5,798
Finance leases	Property, plant and equipment, net		20,552			20,207
Total lease assets		$	25,392		$	26,005
Liabilities
Current
Operating leases	Other current liabilities	$	2,092		$	1,875
Finance leases	Current portion of finance lease liability		510			323
Long-term
Operating leases	Other long-term liabilities		2,946			4,084
Finance leases	Long-term portion of finance lease liability		22,338			20,648
Total lease liabilities		$	27,886		$	26,930
Weighted Average Remaining Lease Term
Operating leases		3.6 years			4.2 years
Finance leases		18.1 years			20.7 years
Weighted Average Discount Rate
Operating leases			2.4	%		2.3	%
Finance leases			4.2	%		4.4	%

Summary of Components of Lease Costs

The components of lease costs were as follows:

(U.S. Dollars, in thousands)	For the Year Ended December 31, 2020		For the Year Ended December 31, 2019
Finance lease costs:
Amortization of right-of-use assets	$	1,766	$	972
Interest on finance lease liabilities		940		919
Operating lease costs		2,235		2,161
Short-term lease costs		230		255
Variable lease costs		673		749
Total lease costs	$	5,844	$	5,056

Summary of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases was as follows:

(U.S. Dollars, in thousands)	For the Year Ended December 31, 2020		For the Year Ended December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	4,299	$	4,075
Operating cash flows from finance leases		689		919
Financing cash flows from finance leases		323		365
Right-of-use assets obtained in exchange for lease obligations
Operating leases		959		878
Finance leases		1,949		21,179

Summary of Remaining Lease Liabilities

A summary of the Company’s remaining lease liabilities as of December 31, 2020 is included below:

(U.S. Dollars, in thousands)	Operating Leases			Finance Leases
2021	$	2,197		$	1,414
2022		1,773			3,442
2023		467			1,471
2024		161			1,501
2025		195			1,531
Thereafter		524			24,175
Total undiscounted value of lease liabilities		5,317			33,534
Less: Interest		(279	)		(10,686	)
Present value of lease liabilities	$	5,038		$	22,848
Current portion of lease liabilities	$	2,092		$	510
Long-term portion of lease liabilities		2,946			22,338
Total lease liabilities	$	5,038		$	22,848