Deposits - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Deposits [Abstract]
Interest bearing demand deposits	$ 2,728	$ 1,812	$ 1,569
Money market accounts	1,654	682	749
Savings accounts	2,056	1,311	756
Certificate of deposit accounts	3,959	2,244	1,936
Total interest expense	$ 10,397	$ 6,049	$ 5,010