Annual report pursuant to Section 13 and 15(d)

Share Repurchase Program - Summary of Stock Repurchase Activities (Detail)

v3.10.0.1
Share Repurchase Program - Summary of Stock Repurchase Activities (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
shares
Share Repurchase Program [Abstract]  
Shares repurchased | shares 3,656,277
Average cost per share | $ / shares $ 27.34
Total cost of shares repurchased (in thousands): | $ $ 99,977