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Derivative Instruments - Cash Flow Hedges of Interest Rate Swaps (Details) - Cash Flow Hedging - Designated as Hedging Instrument
$ in Millions
Mar. 31, 2020
USD ($)
interest_rate_swap
Dec. 31, 2019
USD ($)
Interest Rate Swap    
Derivative [Line Items]    
Number of interest rate swap agreements | interest_rate_swap 2  
Accrued and other liabilities | Interest Rate Swap, Effective 04/07/2016    
Derivative [Line Items]    
Fixed Interest Rate (percent) 3.14%  
Notional Amount $ 59.1  
Fair value of interest rate swap liability $ (5.7) $ (0.2)
Accrued and other liabilities | Interest Rate Swap, Effective 02/13/2020    
Derivative [Line Items]    
Fixed Interest Rate (percent) 1.35%  
Notional Amount $ 50.0  
Fair value of interest rate swap liability $ (1.4) $ 0.0