Securities - Summary of Amortized Cost and Fair Value of Securities Available for Sale, by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Amortized Cost [Abstract]
Due after one year through five years	$ 17,305
Due after five years through ten years	10,020
Due after ten years	46,526
Amortized cost	73,851	$ 78,144
Fair Value [Abstract]
Due after one year through five years	18,360
Due after five years through ten years	10,588
Due after ten years	49,302
Total fair value	$ 78,250	$ 79,783