Securities - Schedule of Proceeds from Sales of Debt Securities and the Associated Gross Gains and Losses as well as Net Gains and Losses from Calls of Debt Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Investments, Debt and Equity Securities [Abstract]
Proceeds	$ 65,184	$ 0	$ 65,184	$ 40,617
Gross gains	3,217	0	3,217	133
Gross losses	(140)	0	(140)	(130)
Net gains and losses from calls of securities	$ 32	$ 19	$ 133	$ 19