Note 12 - Insurance Reserves (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Insurance Loss Reserves [Abstract]
Increase (Decrease) in Self Insurance Reserve	$ (1,500)	$ 0	$ (1,500)	$ 0

The increase (decrease) during the period in the carrying amount of accrued known and estimated losses incurred for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's' compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

No definition available.

Name:	us-gaap_IncreaseDecreaseInSelfInsuranceReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration