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Fair Value Measurements (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 09, 2020
Feb. 05, 2020
Jul. 25, 2019
May 07, 2019
Mar. 31, 2019
Jul. 06, 2016
Derivatives, Fair Value [Line Items]              
Unrealized gains on interest rate swaps $ 0         $ 1,785  
Unrealized losses on interest rate swaps 11,611         0  
Contingent consideration liabilities $ 433         $ 833  
Interest Rate Swap 1 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount             $ 150,000
Derivative [Line Items]              
Interest rate swap agreement, termination date Nov. 20, 2020            
Derivative, Notional Amount             $ 150,000
Forward-starting Interest Rate Swap 1 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount         $ 75,000    
Derivative [Line Items]              
Forward-starting interest rate swap agreement, effective date Nov. 20, 2020            
Interest rate swap agreement, termination date Sep. 29, 2022            
Derivative, Notional Amount         $ 75,000    
Forward-starting Interest Rate Swap 2 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount       $ 75,000      
Derivative [Line Items]              
Forward-starting interest rate swap agreement, effective date Nov. 20, 2020            
Interest rate swap agreement, termination date Sep. 29, 2022            
Derivative, Notional Amount       $ 75,000      
Forward-starting Interest Rate Swap 3 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount     $ 150,000        
Derivative [Line Items]              
Forward-starting interest rate swap agreement, effective date Feb. 26, 2021            
Interest rate swap agreement, termination date Feb. 28, 2025            
Derivative, Notional Amount     $ 150,000        
Forward-starting Interest Rate Swap 4 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount   $ 150,000          
Derivative [Line Items]              
Forward-starting interest rate swap agreement, effective date Sep. 29, 2022            
Interest rate swap agreement, termination date Feb. 26, 2027            
Derivative, Notional Amount   150,000          
Forward-starting Interest Rate Swap 5 [Member]              
Derivatives, Fair Value [Line Items]              
Derivative, Notional Amount   150,000          
Derivative [Line Items]              
Forward-starting interest rate swap agreement, effective date Feb. 28, 2025            
Interest rate swap agreement, termination date Feb. 26, 2027            
Derivative, Notional Amount   $ 150,000