Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Other Intangible Assets (Detail)

v3.6.0.2
Intangible Assets - Summary of Other Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]    
Accumulated amortization $ (838) $ (512)
Goodwill 11,031 0
Gross carrying amount 13,727 2,213
Net carrying amount $ 12,889 1,701
Core deposit intangible [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Intangible asset amortization period 10 years  
Gross carrying amount, excluding goodwill $ 2,213 2,213
Accumulated amortization (838) (512)
Net carrying amount, excluding goodwill $ 1,375 1,701
Third Party Originators Intangible [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Intangible asset amortization period 7 years  
Gross carrying amount, excluding goodwill $ 483 0
Accumulated amortization 0 0
Net carrying amount, excluding goodwill $ 483 $ 0