Securities - Unrealized Gains (Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Total unrealized gains/(losses) on available-for-sale debt securities
Gross Unrealized Gains	$ 261	$ 15,183
Gross Unrealized Losses	(102,582)	(5,767)
Net Unrealized Gains (Losses)	(102,321)	9,416
Income tax (expense) benefit, Gross Unrealized Gains	(56)	(3,215)
Income tax (expense) benefit, Gross Unrealized Losses	21,915	1,221
Income tax (expense) benefit, Net Unrealized (Losses)/Gains	21,859	(1,994)
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Gross Unrealized Gains	205	11,968
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Gross Unrealized Losses	(80,667)	(4,546)
Net unrealized gains/(losses), net of tax included in accumulated other comprehensive income/(loss), Net Unrealized Gains/(Losses)	$ (80,462)	$ 7,422