Impairments and Other Charges (Tables)

3 Months Ended

Mar. 31, 2020

Impairments and Other Charges [Abstract]

Changes in Goodwill

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

	Marine Transportation			Distribution and Services (Restated)			Total (Restated)
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	)
Convoy acquisition		—			10,309			10,309
Balance at March 31, 2020 (gross)		424,149			560,155			984,304
Accumulated impairment and amortization		(18,574	)		(389,565	)		(408,139	)
Balance at March 31, 2020	$	405,575		$	170,590		$	576,165