Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Estimated Future Amortization Expense Related to Other Intangible Assets (Detail)

v3.8.0.1
Intangible Assets - Estimated Future Amortization Expense Related to Other Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Total $ 12,544 $ 12,889
Core deposit intangible [Member]    
Finite-Lived Intangible Assets [Line Items]    
2018 362  
2019 309  
2020 261  
2021 216  
2022 171  
Thereafter $ 194