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Derivative Instruments and Hedging Activities (Details) - USD ($)
3 Months Ended 9 Months Ended
May 01, 2020
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Derivative [Line Items]              
Termination fee         $ 3,317,000 $ 0  
Loss on derivative reclassified from AOCI to earnings   $ 0 $ 2,661,000 $ 0 2,661,000 $ 0  
Previous interest rate swap agreement              
Derivative [Line Items]              
Termination fee $ 3,300,000            
Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Hedge June 2018              
Derivative [Line Items]              
Notional amount   $ 70,000,000     $ 70,000,000    
Fixed interest rate (as a percent)   2.98%     2.98%    
Loss on derivative reclassified from AOCI to earnings     $ 2,700,000        
Other Noncurrent Liabilities | Cash Flow Hedging | Designated as Hedging Instrument | Interest Rate Hedge June 2018              
Derivative [Line Items]              
Fair value of derivative instrument             $ 2,000,000.0