Securities - Summary of Scheduled Maturities (Details) $ in Thousands	Jun. 30, 2017 USD ($)
Amortized Cost
Due in one year or less	$ 3,158
Due after one year through five years	27,945
Due after five through ten years	19,756
Due after ten years	1,011
Amortized Cost	98,711
Fair Value
Due in one year or less	3,155
Due after one year through five years	27,873
Due after five through ten years	19,835
Due after ten years	999
Fair Value	98,106
U.S. agency mortgage-backed securities: residential
Amortized Cost
Amortized Cost	22,303
Fair Value
Fair Value	22,242
U.S. agency collateralized mortgage obligations: residential
Amortized Cost
Amortized Cost	24,538
Fair Value
Fair Value	$ 24,002