Securities - Unrealized Gains (Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Total unrealized gains/(losses) on debt securities available-for-sale
Gross Unrealized Gains	$ 15,183	$ 33,478
Gross Unrealized Losses	(5,767)	(90)
Net Unrealized Gains (Losses)	9,416	33,388
Income tax (expense) benefit, Gross Unrealized Gains	(3,215)	(7,128)
Income tax (expense) benefit, Gross Unrealized Losses	1,221	19
Income tax (expense) benefit, Net Unrealized (Losses)/Gains	(1,994)	(7,109)
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Gross Unrealized Gains	11,968	26,350
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Gross Unrealized Losses	(4,546)	(71)
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Net Unrealized Gains/(Losses)	$ 7,422	$ 26,279