Note 10 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	2018			2017
Term loan agreement, maturing May 2020, terminated June 2018, effective interest rate of 12.2%	$	-		$	193,177
Line of credit, maturing March 2020, terminated June 2018		-			29,333
Term loan agreement, interest rate of 4.8% at December 31, 2018, maturing June 2023		195,000			-
Revenue equipment installment notes with finance companies, weighted average interest rate of 5.0% and 4.7% at December 31, 2018 and 2017, due in monthly installments with final maturities at various dates through December 2025, secured by related revenue equipment with a net book value of $197.1 million and $315.7 million in December 2018 and 2017		184,867			310,850
Note payable to limited liability company owned in part by certain officers of the Company, interest rate of 13.0% at December 31, 2017, maturing November 2020, terminated June 2018		-			25,516
Mortgage note payables, interest rates ranging from 5.25% to 6.99% at December 31, 2018 2017 due in monthly installments with final maturities as various dates through September 2031, secured by real estate with a net book value of $24.1 million and $24.7 million at December 2018 and 2017		18,861			20,033
Capital lease obligations, maturing at various dates through April 2024		20,313			27,761
Other		6,872			6,134
		425,913			612,804
Less: Unamortized discount and debt issuance costs		(1,347	)		(7,266	)
Less: Current maturities of long-term debt		(113,094	)		(132,332	)
	$	311,472		$	473,206

Schedule of Maturities of Long-term Debt [Table Text Block]

2019	$	106,383
2020		27,960
2021		26,938
2022		47,021
2023		178,888
Thereafter		18,410
	$	405,600