Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

The following table reflects the disaggregation of our revenues by major category for the years ended December 31, 2019 and December 31, 2018, respectively:



	Year Ended December 31, 2019
	Onshore Facilities & Transportation		Sodium Minerals & Sulfur Services		Offshore Pipeline Transportation		Marine Transportation		Consolidated
Fee-based revenues	$	160,431	$	—	$	318,116	$	235,645	$	714,192
Product Sales	660,641		1,023,667		—		—		1,684,308
Refinery Services	—		82,320		—		—		82,320
	$	821,072	$	1,105,987	$	318,116	$	235,645	$	2,480,820



	Year Ended December 31, 2018
	Onshore Facilities & Transportation		Sodium Minerals & Sulfur Services		Offshore Pipeline Transportation		Marine Transportation		Consolidated
Fee-based revenues	$	156,266	$	—	$	284,544	$	219,937	$	660,747
Product Sales	1,077,589		1,071,634		—		—		2,149,223
Refinery Services	—		102,800		—		—		102,800
	$	1,233,855	$	1,174,434	$	284,544	$	219,937	$	2,912,770

Schedule of Contract Asset and Liabilities Balances Activity

The table below depicts our contract asset and liability balances at December 31, 2019 and December 31, 2018:



	Contract Assets		Contract Assets		Contract Liabilities		Contract Liabilities
	Current		Non-Current		Current		Non-Current
Balance at December 31, 2018	$	—	$	72,241	$	—	$	26,271
Balance at December 31, 2019	21,912		54,232		2,896		23,170

Schedule of Revenue Expected to be Recognized in Future Periods

The following chart depicts how we expect to recognize revenues for future periods related to these contracts:



	Offshore Pipeline Transportation		Onshore Facilities and Transportation

2020	$	75,021	$	57,615
2021	58,623		20,269
2022	69,134		4,283
2023	58,540		—
2024	52,812		—
Thereafter	154,899		—
Total	$	469,029	$	82,167