Securities - Held-to-Maturity, Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 155	$ 160	$ 168	$ 157	$ 168
Provision for credit losses	0	0		(1,127)	2,992
Recoveries credited to the allowance	0	0		1,125	0
Securities HTM charged against the allowance	0	0	(3,000)	0	(3,000)
Balance at end of period	155	160	160	155	160
Private label mortgage-backed
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4	1	1	4	1
Provision for credit losses	0	0		0	0
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	1	1	4	1
Obligations of states and political subdivisions
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	31	39	39	33	39
Provision for credit losses	0	0		(2)	0
Recoveries credited to the allowance	0	0		0	0
Securities HTM charged against the allowance	0	0		0	0
Balance at end of period	31	39	39	31	39
Corporate
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	116	116	123	116	123
Provision for credit losses	0	0		(1,125)	2,993
Recoveries credited to the allowance	0	0		1,125	0
Securities HTM charged against the allowance	0	0		0	(3,000)
Balance at end of period	116	116	116	116	116
Trust preferred
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	4	4	5	4	5
Provision for credit losses	0	0		0	(1)
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	$ 4	$ 4	$ 4