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Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value (Details) - Interest rate swap
$ in Thousands
Dec. 31, 2020
USD ($)
Level 1  
Financial Instruments Measured at Fair Value: Available-for-sale securities - (Corporate equity securities)  
Financial Liabilities: $ 0
Level 2  
Financial Instruments Measured at Fair Value: Available-for-sale securities - (Corporate equity securities)  
Financial Liabilities: 23
Level 3  
Financial Instruments Measured at Fair Value: Available-for-sale securities - (Corporate equity securities)  
Financial Liabilities: 0
Carrying and Fair Value  
Financial Instruments Measured at Fair Value: Available-for-sale securities - (Corporate equity securities)  
Financial Liabilities: $ 23