Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Summary of Lease Costs

The following table summarizes the lease costs (in thousands), which are included in transportation costs and general and administrative costs in the accompanying consolidated statement of income:

	Years Ended December 31,
	2023			2022			2021
Amortization of finance right-of-use assets	$	2,650		$	2,075		$	2,304
Interest on finance lease liabilities		194			13			29
Finance lease cost		2,844			2,088			2,333
Operating lease cost		48,868			21,232			12,343
Short-term lease cost		300			379			171
Sublease income		(1,051	)		(251	)		(327	)
Total lease cost	$	50,961		$	23,448		$	14,520

Schedule of Maturity of Operating and Finance Leases Liabilities

The following table represents the maturity of operating and finance lease liabilities (in thousands):

	December 31, 2023
	Operating Leases		Finance Leases		Total
Year 1	$	55,516	$	1,619	$	57,135
Year 2		49,997		558		50,555
Year 3		41,650		303		41,953
Year 4		33,067		32		33,099
Year 5		26,363		-		26,363
Thereafter		54,863		-		54,863
Total		261,456		2,512		263,968
Imputed interest		39,067		68		39,135
Present value of lease payments		222,389		2,444		224,833
Less: current lease liabilities		44,690		1,579		46,269
Long-term lease liabilities	$	177,699	$	865	$	178,564

	December 31, 2022
	Operating Leases		Finance Leases		Total
Year 1	$	33,547	$	1,179	$	34,726
Year 2		29,618		-		29,618
Year 3		24,081		-		24,081
Year 4		16,300		-		16,300
Year 5		9,136		-		9,136
Thereafter		5,618		-		5,618
Total		118,300		1,179		119,479
Imputed interest		10,196		4		10,200
Present value of lease payments		108,104		1,175		109,279
Less: current lease liabilities		29,547		1,175		30,722
Long-term lease liabilities	$	78,557	$	-	$	78,557

Summary of Supplemental Cash Flow and Noncash Information

The following table presents supplemental cash flow and noncash information related to leases:

	Years Ended December 31,
	2023			2022			2021
Operating cash flows from operating leases	$	36,073		$	19,135		$	11,523
Financing cash flows from finance leases		2,708			2,093			2,682
Operating cash flows from finance leases		194			13			29
Cash paid for lease liabilities	$	38,975		$	21,241		$	14,234
Right-of-use assets obtained in exchange for new	$	(3,978	)	$	(2,017	)	$	(72	)
financing lease liabilities (net of disposals)
Rights-of-use assets obtained in exchange for new	$	133,358		$	77,178		$	11,684
operating lease liabilities (net of disposals)

Summary Of Weighted Average Remaining Lease Term and Discount Rates

The weighted average remaining lease term and discount rates as of December 31, are as follows (in thousands):

	December 31, 2023	December 31, 2022
Weighted average remaining lease term — finance leases	2.14 years	0.6 years
Weighted average remaining lease term — operating leases	5.66 years	4.06 years
Weighted average discount rate — finance leases	4.29%	1.20%
Weighted average discount rate — operating leases	5.47%	4.51%