Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill during the six months ended June 30, 2023 are summarized as follows:

	Expedited Freight		Intermodal		Consolidated
Balance as of December 31, 2022	$	169,288	$	136,896	$	306,184
Acquisition	50,443		136		50,579
Balance as of June 30, 2023	$	219,731	$	137,032	$	356,763

Schedule of Other Intangible Assets

Changes in the carrying amount of acquired intangible assets during the six months ended June 30, 2023 are summarized as follows:

	Gross Carrying Amount
	Customer Relationships1		Non-Compete Agreements		Trade Names		Total
Balance as of December 31, 2022	$	267,870	$	8,756	$	1,500	$	278,126
Acquisition	4,513		873		—		5,386
Balance as of June 30, 2023	$	272,383	$	9,629	$	1,500	$	283,512

	Accumulated Amortization
	Customer Relationships1		Non-Compete Agreements		Trade Names		Total
Balance as of December 31, 2022	$	114,380	$	7,445	$	1,500	$	123,325
Amortization expense	8,643		326		—		8,969
Balance as of June 30, 2023	$	123,023	$	7,771	$	1,500	$	132,294

1 Carrying value as of June 30, 2023 and December 31, 2022 is inclusive of $16,501 of accumulated impairment.