Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Lease Portfolio

A summary of the Company’s lease portfolio as of December 31, 2021, and 2020, is presented in the table below:

(U.S. Dollars, in thousands, except lease term and discount rate)	Classification	December 31, 2021			December 31, 2020
Assets
Operating leases	Other long-term assets	$	3,155		$	4,840
Finance leases	Property, plant and equipment, net		18,600			20,552
Total lease assets		$	21,755		$	25,392
Liabilities
Current
Operating leases	Other current liabilities	$	1,834		$	2,092
Finance leases	Current portion of finance lease liability		2,590			510
Long-term
Operating leases	Other long-term liabilities		1,443			2,946
Finance leases	Long-term portion of finance lease liability		19,890			22,338
Total lease liabilities		$	25,757		$	27,886
Weighted Average Remaining Lease Term
Operating leases		3.3 years			3.6 years
Finance leases		17.0 years			18.1 years
Weighted Average Discount Rate
Operating leases			2.6	%		2.4	%
Finance leases			4.2	%		4.2	%

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, 2021		For the Year Ended December 31, 2020		For the Year Ended December 31, 2019
Finance lease costs:
Amortization of right-of-use assets	$	2,049	$	1,766	$	972
Interest on finance lease liabilities		933		940		919
Operating lease costs		2,234		2,235		2,161
Short-term lease costs		213		230		255
Variable lease costs		815		673		749
Total lease costs	$	6,244	$	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, 2021		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	$	4,627	$	4,299	$	4,075
Operating cash flows from finance leases		907		689		919
Financing cash flows from finance leases		537		323		365
Right-of-use assets obtained in exchange for lease obligations
Operating leases		589		959		878
Finance leases		149		1,949		21,179

Summary of Remaining Lease Liabilities

A summary of the Company’s remaining lease liabilities as of December 31, 2021, is included below:

(U.S. Dollars, in thousands)	Operating Leases			Finance Leases
2022	$	1,883		$	3,480
2023		614			1,508
2024		211			1,538
2025		192			1,543
2026		189			1,562
Thereafter		330			22,613
Total undiscounted value of lease liabilities		3,419			32,244
Less: Interest		(142	)		(9,764	)
Present value of lease liabilities	$	3,277		$	22,480
Current portion of lease liabilities	$	1,834		$	2,590
Long-term portion of lease liabilities		1,443			19,890
Total lease liabilities	$	3,277		$	22,480