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Long-Term Debt - Financial Covenants in Credit Agreements (Details)
 3 Months Ended
Jun. 30, 2020
USD ($)
Actual  
Total leverage ratio 2.3
Debt service coverage ratio 5.7
Minimum liquidity balance (in millions) $ 218,500,000
Covenant Requirement  
Total Leverage Ratio 3.25
Debt Service Coverage Ratio 2.00
Minimum liquidity balance $ 25,000,000.0