Note 14 - Income Taxes (Details) - Deferred Tax Assets and Deferred Tax Liabilities (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Deferred Tax Assets and Deferred Tax Liabilities [Abstract]    
Assets and accruals not yet deductible $ 4,369 $ 3,639
Equity based compensation 3,429 3,243
Equity in loss of unconsolidated affiliates 125 125
Tax credit carryforward 225 225
Pension liability 3,716 5,636
State income tax 492 404
Valuation allowance (584) (661)
Total deferred tax assets 11,772 12,611
Property and equipment (21,844) (20,814)
Intangible assets (590) (187)
Pension and other retirement benefits (1,350) (1,272)
Assets currently deductible (6,277) (4,967)
Total deferred tax liabilities (30,061) (27,240)
Net deferred tax liability (18,289) (14,629)
Deferred income tax asset (liability) current 1,062 1,165
Deferred income tax asset (liability) non-current $ (19,351) $ (15,794)