Securities - Unrealized Gains (Losses) on Marketable 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]
Net gains and losses recognized during the period on equity securities	$ 585	$ 156	$ (552)	$ (110)
Less: Net gains and losses recognized during the period on equity securities sold during the period	0	0	142	0
Unrealized Losses/Gains Recognized During the Reporting Period on Equity Securities Still Held at the Reporting Date	$ 585	$ 156	$ (694)	$ (110)