Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Measurements - Cross Currency Swaps (Details)

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Fair Value Measurements Fair Value Measurements - Cross Currency Swaps (Details)
3 Months Ended
Jun. 30, 2018
USD ($)
Fair Value Disclosures [Abstract]  
Intercompany receivable $ 101,184,000
Derivative [Line Items]  
Unrealized gain on intercompany note 2,130,000
Net gain 196,000
Cross Currency Swap  
Derivative [Line Items]  
Loss on long-term derivative contract $ (814)