XML 138 R50.htm IDEA: XBRL DOCUMENT v3.21.2
Interest Rate Swap Contracts - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 15, 2020
USD ($)
Derivative
Mar. 26, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Derivative Instruments Gain Loss [Line Items]              
Estimated loss to be reclassified from accumulated other comprehensive loss into interest expense         $ 1.0    
Estimated period for transfer of loss to be reclassified from accumulated other comprehensive loss into interest expense         12 months    
Interest Rate Swap [Member]              
Derivative Instruments Gain Loss [Line Items]              
Notional amount $ 75.0 $ 150.0          
Fixed interest rate 0.38% 0.495%          
Maturity date Apr. 01, 2024 Apr. 01, 2024          
Number of interest rate swap contracts | Derivative 2            
Fair value of contract, net asset     $ 0.2   $ 0.2   $ 0.2
Fair value of contract, net liability     2.5   2.5   $ 2.5
Net realized loss     $ 0.3 $ 0.2 $ 0.7 $ 0.2