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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies [Abstract]

Changes in Goodwill

The following table summarizes the changes in goodwill (in thousands):

		Marine Transportation				Distribution and Services				Total
Balance at December 31, 2019 (gross)		$	424,149			$	549,846			$	973,995
Accumulated impairment and amortization			(18,574	)			(1,595	)			(20,169	)
Balance at December 31, 2019			405,575				548,251				953,826
Impairment			—				(387,970	)			(387,970	)
Savage acquisition			81,635				—				81,635
Convoy acquisition			—				10,309				10,309
Balance at December 31, 2020 (gross)			505,784				560,155				1,065,939
Accumulated impairment and amortization			(18,574	)			(389,565	)			(408,139	)
Balance at December 31, 2020		$	487,210			$	170,590			$	657,800
Impairment			(219,052	)			—				(219,052	)
Balance at December 31, 2021 (gross)			505,784				560,155				1,065,939
Accumulated impairment and amortization			(237,626	)			(389,565	)			(627,191	)
Balance at December 31, 2021		$	268,158			$	170,590			$	438,748

Other Intangible Assets and Other Intangible Liabilities

The following table summarizes the balances of other intangible assets and other intangible liabilities (in thousands):

		December 31,
		2021				2020
Other intangible assets – gross		$	203,217			$	203,217
Accumulated amortization			(143,147	)			(134,238	)
Other intangible assets – net		$	60,070			$	68,979
Other intangible liabilities – gross		$	13,860			$	13,860
Accumulated amortization			(12,120	)			(10,960	)
Other intangible liabilities – net		$	1,740			$	2,900

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- Definition

Tabular disclosure of assets and liabilities, excluding financial assets, liabilities and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

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