Annual report pursuant to Section 13 and 15(d)

Note 9 - Derivative Instruments and Hedging Strategies - Derivative Instruments (Details)

v3.19.1
Note 9 - Derivative Instruments and Hedging Strategies - Derivative Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Derivative instruments (included in other receivables) $ 419
Derivative Liability 6,935 6,898
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]    
Derivative instruments (included in other receivables) 260
Derivative Liability 1,659 20
Not Designated as Hedging Instrument [Member] | Non-current Liabilities [Member]    
Conversion option liability on Convertible Senior Notes 5,276 6,832
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Current Assets [Member]    
Derivative instruments (included in other receivables) 260
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Current Liabilities [member]    
Derivative Liability 1,659 20
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Current Assets [Member]    
Derivative instruments (included in other receivables) 159
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Current Liabilities [member]    
Derivative Liability $ 46