v3.20.1
FAIR VALUE MEASUREMENTS - Fair value on a recurring basis (Details)
Mar. 31, 2020
USD ($)
Share Price  
Other long-term assets:  
Derivative Asset, Measurement Input 3.16
Price Volatility Rate  
Other long-term assets:  
Derivative Asset, Measurement Input 13
Risk Free Interest Rate  
Other long-term assets:  
Derivative Asset, Measurement Input 0.14
Dividend Yield  
Other long-term assets:  
Derivative Asset, Measurement Input 0
Recurring basis  
Other long-term assets:  
Money market mutual funds $ 600,000
Derivative asset 17,900,000
Investments measured at net asset value 9,800,000
Investment in NCM 4,500,000
Total carrying Value 32,800,000
Recurring basis | Quoted prices in active market (Level 1)  
Other long-term assets:  
Money market mutual funds 600,000
Investment in NCM 4,500,000
Total carrying Value 5,100,000
Recurring basis | Significant unobservable inputs (Level 3)  
Other long-term assets:  
Derivative asset 17,900,000
Total carrying Value 17,900,000
Nonrecurring basis | Significant unobservable inputs (Level 3)  
Other long-term assets:  
Total carrying Value $ 3,159,400,000