Note 4 - Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

	Revenue from
	Contracts with		Revenue from
	Customers(1)		Leases		Total
2022	$	39,697	$	59,647	$	99,344
2023		31,934		47,952		79,886
2024		31,204		47,164		78,368
2025		28,996		41,095		70,091
2026		19,948		24,759		44,707
Thereafter		18,834		22,352		41,186
Total revenue related to future performance obligations	$	170,613	$	242,969	$	413,582

Disaggregation of Revenue [Table Text Block]

	Year ended December 31, 2020
	Revenue from contracts with customers				Lease revenue
	Third-party revenue		Related-party revenue		Third-party revenue		Related-party revenue			Total
Fixed storage and throughput revenue	$	20,303	$	14,531	$	-	$	-	$	34,834
Fixed lease revenue		-		-		32,207		24,547		56,754
Variable cost recovery revenue		6,620		3,076		2,205		763		12,664
Variable throughput and other revenue		2,248		421		2,218		1,106		5,993
Total	$	29,171	$	18,028	$	36,630	$	26,416	$	110,245

	Year ended December 31, 2021
	Revenue from contracts with customers				Lease revenue
	Third-party revenue		Related-party revenue		Third-party revenue		Related-party revenue			Total
Fixed storage and throughput revenue	$	20,315	$	18,883	$	-	$	-	$	39,198
Fixed lease revenue		-		-		31,263		27,142		58,405
Variable cost recovery revenue		8,616		680		1,816		954		12,066
Variable throughput and other revenue		1,784		632		1,986		1,346		5,748
Total	$	30,715	$	20,195	$	35,065	$	29,442	$	115,417