Note 10 - Leasing Activities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Future Minimum Lease Payments for Capital Leases and Operating Leases [Table Text Block]

	Capital Leases			Operating Leases
2019	$	22,033		$	3,580
2020		19,113			3,264
2021		14,894			2,764
2022		11,062			2,479
2023		5,095			1,957
Thereafter		2,963			1,246
Total minimum lease payments	$	75,160		$	15,290
Less amount representing interest		(6,046	)
Present value of net minimum capital lease payments		69,114
Less current portion		(19,631	)
Obligations under capital leases less current portion	$	49,483

Schedule of Future Minimum Rental Receivable for Operating Leases [Table Text Block]

2019	$	97,906
2020		79,784
2021		57,486
2022		37,212
2023		21,813
Thereafter		12,980
Total	$	307,181

Lessee, Operating Lease, Disclosure [Table Text Block]

2019	$	8,715
2020		7,202
2021		5,426
2022		4,599
2023		3,239
Thereafter		21,217
Total	$	50,398