Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Disclosures - Summary of Fair Value of Financial Assets and Liabilities (Detail)

v3.20.4
Fair Value Measurements and Disclosures - Summary of Fair Value of Financial Assets and Liabilities (Detail) - Other Indefinite Lived Intangible Assets [Member]
$ in Thousands
Dec. 31, 2020
USD ($)
Liabilities:  
Long-term debt less unamortized debt issuance costs $ 218,764
Fair Value, Inputs, Level 1 [Member]  
Liabilities:  
Long-term debt less unamortized debt issuance costs 0
Fair Value, Inputs, Level 2 [Member]  
Liabilities:  
Long-term debt less unamortized debt issuance costs 201,263
Fair Value, Inputs, Level 3 [Member]  
Liabilities:  
Long-term debt less unamortized debt issuance costs $ 0