Investment Securities - Continuous Loss Position (Details) $ in Thousands	Dec. 31, 2024 USD ($) investment	Dec. 31, 2023 USD ($) investment
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 39,395	$ 27,671
Debt securities, less than 12 months, unrealized losses	790	417
Debt securities, 12 months or longer, fair value	539,362	592,979
Debt securities, 12 months or longer, unrealized losses	101,059	102,705
Debt securities, fair value	578,757	620,650
Debt securities, unrealized losses	$ 101,849	$ 103,122
Number of holdings \| investment	429	429
Federal agency obligations
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 0	$ 4,978
Debt securities, less than 12 months, unrealized losses	0	28
Debt securities, 12 months or longer, fair value	0	0
Debt securities, 12 months or longer, unrealized losses	0	0
Debt securities, fair value	0	4,978
Debt securities, unrealized losses	$ 0	$ 28
Number of holdings \| investment	0	1
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 0	$ 0
Debt securities, less than 12 months, unrealized losses	0	0
Debt securities, 12 months or longer, fair value	6,232	15,925
Debt securities, 12 months or longer, unrealized losses	766	1,068
Debt securities, fair value	6,232	15,925
Debt securities, unrealized losses	$ 766	$ 1,068
Number of holdings \| investment	1	4
Federal agency CMO
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 19,341	$ 8,810
Debt securities, less than 12 months, unrealized losses	548	18
Debt securities, 12 months or longer, fair value	264,846	311,221
Debt securities, 12 months or longer, unrealized losses	62,765	61,929
Debt securities, fair value	284,187	320,031
Debt securities, unrealized losses	$ 63,313	$ 61,947
Number of holdings \| investment	85	86
Federal agency MBS
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 1,623	$ 0
Debt securities, less than 12 months, unrealized losses	22	0
Debt securities, 12 months or longer, fair value	15,569	17,114
Debt securities, 12 months or longer, unrealized losses	2,985	2,805
Debt securities, fair value	17,192	17,114
Debt securities, unrealized losses	$ 3,007	$ 2,805
Number of holdings \| investment	11	10
Taxable municipal securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 1,881	$ 1,993
Debt securities, less than 12 months, unrealized losses	124	316
Debt securities, 12 months or longer, fair value	224,469	223,949
Debt securities, 12 months or longer, unrealized losses	32,802	34,909
Debt securities, fair value	226,350	225,942
Debt securities, unrealized losses	$ 32,926	$ 35,225
Number of holdings \| investment	248	251
Tax-exempt municipal securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 16,212	$ 11,890
Debt securities, less than 12 months, unrealized losses	92	55
Debt securities, 12 months or longer, fair value	16,465	10,519
Debt securities, 12 months or longer, unrealized losses	391	230
Debt securities, fair value	32,677	22,409
Debt securities, unrealized losses	$ 483	$ 285
Number of holdings \| investment	64	53
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 338	$ 0
Debt securities, less than 12 months, unrealized losses	4	0
Debt securities, 12 months or longer, fair value	3,081	3,966
Debt securities, 12 months or longer, unrealized losses	50	92
Debt securities, fair value	3,419	3,966
Debt securities, unrealized losses	$ 54	$ 92
Number of holdings \| investment	15	18
Subordinated corporate bonds
Debt Securities, Available-for-sale [Line Items]
Debt securities, less than 12 months, fair value	$ 0	$ 0
Debt securities, less than 12 months, unrealized losses	0	0
Debt securities, 12 months or longer, fair value	8,700	10,285
Debt securities, 12 months or longer, unrealized losses	1,300	1,672
Debt securities, fair value	8,700	10,285
Debt securities, unrealized losses	$ 1,300	$ 1,672
Number of holdings \| investment	5	6

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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