XML 101 R86.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Other Intangible Assets - Estimated Amortization Expense for Covenants Not To Compete, Core Deposit and Customer Related Intangibles (Detail)
$ in Thousands
Dec. 31, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2018 $ 2,114
2019 1,565
2020 1,200
2021 923
2022 666
Thereafter $ 868