XML 109 R93.htm IDEA: XBRL DOCUMENT v3.19.1
Fair Value Measurements and Hedging - Additional Information (Details)
€ in Thousands, $ in Thousands
9 Months Ended 12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
EUR (€)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Apr. 30, 2018
EUR (€)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trading Symbol   SBLK SBLK      
Amount reclassified into earnings   $ 114   $ 527 $ 570  
Amount of cash held $ 204,921 204,921   257,911 181,758  
Foreign exchange gain/ (loss)   (3,159)        
Fair value hedge gain/ (loss)   1,609   0 0  
Impairment loss of disposed assets         18,537  
Impairment loss of assets held for use         10,684  
Impairment loss   17,784   0 $ 29,221  
Fair value hedging            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Amount of cash held | €           € 70,800
Fair value hedge gain/ (loss) 1,609          
Ineffective portion of fair value hedge   39        
Payments for vessels upgrade | €     € 20,500      
Fair value hedging | Fixed orders            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Amount of cash held | €           € 20,500
Percentage of coverage through foreign currency hedging           100.00%
Fair value hedging | Optional orders            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Percentage of coverage through foreign currency hedging           50.00%
Quoted Prices in Active Markets for Identical Liabilities (Level 1)            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
2022 Notes fair value $ 49,800 $ 49,800   $ 50,640    
8.30% 2022 Notes            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trading Symbol   SBLKZ SBLKZ