• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Stockholders' Equity (Common Stock) - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 19, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Class of Stock [Line Items]        
Stock repurchased and retired, total costs   $ 1,203 $ 1,151 $ 21,318
Share Repurchase Plan [Member]        
Class of Stock [Line Items]        
Common stock repurchase authorized amount   $ 20,000 $ 20,000  
Common stock repurchased and retired, weighted average price, excluding fees and commissions   $ 41.49 $ 39.09  
Stock repurchased and retired, total costs   $ 18,851 $ 20,015 $ 15,154
Common stock repurchased and retired, weighted average price, including fees and commissions   $ 41.52 $ 39.12  
Repurchase plan expiration date Mar. 15, 2020      
Common Stock [Member]        
Class of Stock [Line Items]        
Repurchase and retirement of common stock, shares   28,784 27,281 437,240
Common Stock [Member] | Share Repurchase Plan [Member]        
Class of Stock [Line Items]        
Repurchase and retirement of common stock, shares   454,010 511,628 433,175