Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Basis of Presentation and Accounting Policies - Accumulated Other Comprehensive Income (Details)

v3.10.0.1
Note 1 - Basis of Presentation and Accounting Policies - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Balance     $ 523,166  
$ (824) $ 1,605 (1,458) $ 4,335
Income tax expense (11) (541) (46) (1,428)
Balance 564,888   564,888  
Other comprehensive loss (835) $ 1,064 (1,504) $ 2,907
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]        
Balance     (13,195)  
    (1,358)  
Income tax expense      
Balance (14,553)   (14,553)  
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]        
Balance     702  
    (48)  
Income tax expense     (46)  
Balance 608   608  
AOCI Attributable to Parent [Member]        
Balance     (12,493)  
    (1,406)  
Income tax expense     (46)  
Balance (13,945)   (13,945)  
Other comprehensive loss     (1,452)  
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member]        
Balance     (1,357)  
    (48)  
Income tax expense      
Balance (1,405)   (1,405)  
Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest [Member]        
Balance     1  
    (4)  
Income tax expense      
Balance $ (3)   $ (3)