Securities - Held-to-Maturity, Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 160	$ 168	$ 0	$ 168	$ 0
Provision for credit losses	0		158	2,992	158
Recoveries credited to the allowance	0		0	0	0
Securities HTM charged against the allowance	0	(3,000)	0	(3,000)	0
Balance at end of period	160	160	158	160	158
Private label mortgage-backed
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	1	1	0	1	0
Provision for credit losses	0		2	0	2
Recoveries credited to the allowance	0		0	0	0
Securities HTM charged against the allowance	0		0	0	0
Balance at end of period	1	1	2	1	2
Obligations of states and political subdivisions
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	39	39	0	39	0
Provision for credit losses	0		30	0	30
Recoveries credited to the allowance	0		0	0	0
Securities HTM charged against the allowance	0		0	0	0
Balance at end of period	39	39	30	39	30
Corporate
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	116	123	0	123	0
Provision for credit losses	0		121	2,993	121
Recoveries credited to the allowance	0		0	0	0
Securities HTM charged against the allowance	0		0	(3,000)	0
Balance at end of period	116	116	121	116	121
Trust preferred
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4	5	0	5	0
Provision for credit losses	0		5	(1)	5
Recoveries credited to the allowance	0		0	0	0
Securities HTM charged against the allowance	0		0	0	0
Balance at end of period	$ 4	$ 4	$ 5	$ 4	$ 5