Acquisitions - Firebird and Phoenix - Additional Information (Details)		12 Months Ended
	Aug. 12, 2022 USD ($) segment $ / shares shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Issuance of shares in acquisition (in shares) | shares		15,259
Goodwill		$ 6,428,000	$ 0
Firebird
Business Acquisition [Line Items]
Connection to number of terminals | segment	6
Number of tractors | segment	130
Number of trailers | segment	209
Firebird and Phoenix
Business Acquisition [Line Items]
Fair value of total consideration transferred	$ 39,280,000
Cash payment for acquisition	$ 35,350,000
Number of shares (in shares) | shares	45,777
Equity interest issued or issuable, value assigned	$ 1,364,000
Issuance of shares in acquisition (in shares) | shares	15,259
Contingent consideration arrangement	$ 2,566,000
Share price (in dollars per share) | $ / shares	$ 33.75
Goodwill	$ 6,428,000	6,400,000
Goodwill, tax deductible amount	0
Deferred tax liabilities	(6,207,000)
Total revenues		22,300,000
Net earnings		200,000
Transaction costs		$ 400,000
Firebird and Phoenix | Customer Relationships
Business Acquisition [Line Items]
Acquired identifiable intangible assets	$ 5,100,000
Useful life	10 years
Firebird and Phoenix | Trade Names
Business Acquisition [Line Items]
Acquired identifiable intangible assets	$ 2,200,000
Useful life	15 years
Firebird and Phoenix | Noncompete Agreements
Business Acquisition [Line Items]
Acquired identifiable intangible assets	$ 300,000
Useful life	5 years
Firebird and Phoenix | To be Issued
Business Acquisition [Line Items]
Number of shares (in shares) | shares	30,518
Issuance period	3 years