Note 9 - Debt, Credit Facilities and Leases (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

Twelve-month period ending March 31,	Senior Notes			RQ Notes			Total
2020 (interest only)	$	34,822		$	1,401		$	36,223
2021 (principal and interest)		544,224			31,449		$	575,673
Total		579,046			32,850			611,896
Less: interest		(72,546	)		(2,919	)	$	(75,465	)
Principal		506,500			29,931			536,431
Less: unamortized discount		(2,708	)		—		$	(2,708	)
Long-term debt	$	503,792		$	29,931		$	533,723

Schedule of Line of Credit Facilities [Table Text Block]

Interest rates:
Spread over the London Interbank Offer Rate	2.25	-	3.25%
Spread over alternative base rate	1.25	-	2.25%
Standby fee per annum on undrawn amounts		0.50%
Covenant financial ratios:
Senior leverage ratio (debt secured by liens/EBITDA)	not more than 2.50:1
Leverage ratio (total debt less unencumbered cash/EBITDA) (1)	not more than 4.50:1
Interest coverage ratio (EBITDA/interest expense)	not less than 3.00:1

Finance Lease, Liability, Maturity [Table Text Block]

Twelve-month period ending March 31,
2020	$	5,903
2021		5,409
2022		3,754
2023		1,119
Total		16,185
Less: imputed interest		(1,025	)
Finance lease liability	$	15,160

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Twelve-month period ending March 31,
2020	$	9,213
2021		4,960
2022		3,373
2023		2,331
2024		1,670
More than 5 years		1,352
Total		22,899
Effect of discounting		(2,234	)
Operating lease liability	$	20,665