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Stockholder's Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2019
Nov. 06, 2018
Mar. 02, 2018
Statement Of Shareholders Equity [Line Items]          
Accumulated other comprehensive loss $ (8,763,000)   $ (7,143,000)    
Unrealized gain (loss) interest rate swaps (12,200,000)        
Cash flow hedge gain (loss) to be reclassified 3,400,000        
Share repurchase, amount $ 33,924,000 $ 89,362,000      
2018 Stock Repurchase Plan          
Statement Of Shareholders Equity [Line Items]          
Stock repurchase program, authorized         $ 50,000,000
Common stock repurchase (in shares) 633        
Share repurchase, amount $ 33,900,000        
Share repurchase, price per share $ 53.57        
Stock repurchase program, remaining authorized repurchase amount $ 26,700,000        
2018 Stock Repurchase Plan | Board of Directors | Maximum          
Statement Of Shareholders Equity [Line Items]          
Stock repurchase program, authorized       $ 100,000,000