Allowance for Credit Losses - Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Available for Sale
Balance at beginning of the period	$ 0	$ 2,802	$ 310	$ 83
Charge-offs	0	0	(6,640)	0
Recoveries	0	0	0	0
Net charge-offs	0	0	(6,640)
(Benefit) provision for credit loss expense	0	1,363	6,330	4,082
Balance at end of the period	0	4,165	0	4,165
Held to Maturity
Balance at beginning of the period	146	190	107	181
(Benefit) provision for credit loss expense	0	(38)	39	(29)
Balance at end of the period	$ 146	$ 152	$ 146	$ 152