XML 53 R41.htm IDEA: XBRL DOCUMENT v3.19.2
Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Detail)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill (Gross), beginning balance $ 243,053
Business Combinations 10,272
Other 91
Goodwill (Gross), ending balance 253,416
Accumulated Impairment Losses, beginning balance (70,004)
Accumulated Impairment Losses, ending balance (70,004)
Goodwill (Net), beginning balance 173,049
Business Combinations 10,272
Other 91
Goodwill (Net), ending balance $ 183,412