Quarterly report pursuant to Section 13 or 15(d)

Deposits - Additional Information (Details)

v3.8.0.1
Deposits - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Banking And Thrift [Abstract]    
Aggregate amount of overdraft demand deposits reclassified to loans $ 25 $ 27
Aggregate amount of maturities for time deposits, period 5 years  
Aggregate amount of maturities for time deposits, year one $ 283,000  
Aggregate amount of maturities for time deposits, year two 103,300  
Aggregate amount of maturities for time deposits, year three 21,700  
Aggregate amount of maturities for time deposits, year four 7,800  
Aggregate amount of maturities for time deposits, year five $ 10,800