XML 50 R39.htm IDEA: XBRL DOCUMENT v3.21.1
Debt - Summary of Scheduled Debt Maturities, Including Balloon Payments (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
2023 $ 75,000  
2025 50,000  
Thereafter 400,000  
Total debt 525,000 $ 550,000
Senior Unsecured Notes [Member]    
Debt Instrument [Line Items]    
2023 75,000  
2025 50,000  
Thereafter 400,000  
Total debt $ 525,000