Note 8 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	December 31,
	20 17			20 16
Variable interest rate term notes	$	96,157		$	107,894
Fixed interest rate term notes		515,371			495,326
Total debt		611,528			603,220
Less: current maturities		(145,139	)		(130,717	)
Total long-term debt, net of current maturities	$	466,389		$	472,503

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

201 8		145,139
201 9		140,823
2020		144,163
2021		85,559
202 2		60,525
Thereafter		35,319
Total	$	611,528