Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Cross Currency Swap (Details)

v3.21.1
Fair Value Measurements - Cross Currency Swap (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2021
Mar. 31, 2020
Derivative [Line Items]      
Due to related parties $ 54,603 $ 54,603  
Currency swap | Designated as Hedging Instrument      
Derivative [Line Items]      
Unrealized gain (loss) on derivatives and commodity contracts (5,842)    
Derivative asset $ 1,265 1,265 $ 4,011
Unrealized intercompany profit (loss) not eliminated, amount   6,400  
Derivative, gain (loss) on derivative, net   $ 558