XML 59 R47.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity - Additional Information (Detail) - $ / shares
3 Months Ended 23 Months Ended
Sep. 14, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2019
Sep. 30, 2020
Jul. 29, 2020
Apr. 29, 2020
Feb. 19, 2020
Equity, Class of Treasury Stock [Line Items]                    
Common stock, shares authorized           180,000,000 180,000,000   180,000,000 120,000,000
Common stock, par value           $ 0.01 $ 0.01 $ 0.01    
Common Stock [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Number of shares repurchased by the Company   884,018 249,960 250,302 249,978          
Description of stock split two-for-one stock split                  
Stock Repurchase Programs [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Common stock repurchase program, authorized shares             11,600,000      
Number of shares repurchased by the Company           2,800,000