Securities - Unrealized Loss on Investments (Details) $ in Thousands	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Available for sale:
Less Than 12 Months, Number of Securities | security	14	63
Less Than 12 Months, Fair Value	$ 6,023	$ 23,090
Less Than 12 Months, Gross Unrealized Losses	$ (27)	$ (1,114)
12 Months or More, Number of Securities | security	64	18
12 Months or More, Fair Value	$ 72,590	$ 100,548
12 Months or More, Gross Unrealized Losses	$ (1,986)	$ (2,304)
Total, Number of Securities | security	78	81
Total, Fair Value	$ 78,613	$ 123,638
Total, Gross Unrealized Losses	$ (2,013)	$ (3,418)
Held to maturity:
Less Than 12 Months, Number of Securities | security	0	72
Less Than 12 Months, Fair Value	$ 0	$ 136,726
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ (29,729)
12 Months or More, Number of Securities | security	86	16
12 Months or More, Fair Value	$ 253,584	$ 105,834
12 Months or More, Gross Unrealized Losses	$ (67,134)	$ (47,779)
Total, Number of Securities | security	86	88
Total, Fair Value	$ 253,584	$ 242,560
Total, Gross Unrealized Losses	$ (67,134)	$ (77,508)
U.S. Treasuries
Available for sale:
Less Than 12 Months, Number of Securities | security	0	0
Less Than 12 Months, Fair Value	$ 0	$ 0
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ 0
12 Months or More, Number of Securities | security	3	6
12 Months or More, Fair Value	$ 49,830	$ 98,500
12 Months or More, Gross Unrealized Losses	$ (218)	$ (2,142)
Total, Number of Securities | security	3	6
Total, Fair Value	$ 49,830	$ 98,500
Total, Gross Unrealized Losses	$ (218)	$ (2,142)
U.S. Government Agencies
Available for sale:
Less Than 12 Months, Number of Securities | security	0	0
Less Than 12 Months, Fair Value	$ 0	$ 0
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ 0
12 Months or More, Number of Securities | security	0	0
12 Months or More, Fair Value	$ 0	$ 0
12 Months or More, Gross Unrealized Losses	$ 0	$ 0
Total, Number of Securities | security	0	0
Total, Fair Value	$ 0	$ 0
Total, Gross Unrealized Losses	$ 0	$ 0
Held to maturity:
Less Than 12 Months, Number of Securities | security	0	13
Less Than 12 Months, Fair Value	$ 0	$ 89,695
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ (21,724)
12 Months or More, Number of Securities | security	29	16
12 Months or More, Fair Value	$ 204,364	$ 105,834
12 Months or More, Gross Unrealized Losses	$ (61,532)	$ (47,779)
Total, Number of Securities | security	29	29
Total, Fair Value	$ 204,364	$ 195,529
Total, Gross Unrealized Losses	$ (61,532)	$ (69,503)
Corporate debt securities
Available for sale:
Less Than 12 Months, Number of Securities | security	0	14
Less Than 12 Months, Fair Value	$ 0	$ 14,628
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ (622)
12 Months or More, Number of Securities | security	15	2
12 Months or More, Fair Value	$ 14,471	$ 1,370
12 Months or More, Gross Unrealized Losses	$ (1,279)	$ (130)
Total, Number of Securities | security	15	16
Total, Fair Value	$ 14,471	$ 15,998
Total, Gross Unrealized Losses	$ (1,279)	$ (752)
Held to maturity:
Less Than 12 Months, Number of Securities | security	0	59
Less Than 12 Months, Fair Value	$ 0	$ 47,031
Less Than 12 Months, Gross Unrealized Losses	$ 0	$ (8,005)
12 Months or More, Number of Securities | security	57	0
12 Months or More, Fair Value	$ 49,220	$ 0
12 Months or More, Gross Unrealized Losses	$ (5,602)	$ 0
Total, Number of Securities | security	57	59
Total, Fair Value	$ 49,220	$ 47,031
Total, Gross Unrealized Losses	$ (5,602)	$ (8,005)
Municipal bonds
Available for sale:
Less Than 12 Months, Number of Securities | security	12	46
Less Than 12 Months, Fair Value	$ 3,417	$ 5,854
Less Than 12 Months, Gross Unrealized Losses	$ (6)	$ (394)
12 Months or More, Number of Securities | security	41	6
12 Months or More, Fair Value	$ 5,895	$ 673
12 Months or More, Gross Unrealized Losses	$ (366)	$ (32)
Total, Number of Securities | security	53	52
Total, Fair Value	$ 9,312	$ 6,527
Total, Gross Unrealized Losses	$ (372)	$ (426)
Mortgage-backed securities
Available for sale:
Less Than 12 Months, Number of Securities | security	2	3
Less Than 12 Months, Fair Value	$ 2,606	$ 2,608
Less Than 12 Months, Gross Unrealized Losses	$ (21)	$ (98)
12 Months or More, Number of Securities | security	5	4
12 Months or More, Fair Value	$ 2,394	$ 5
12 Months or More, Gross Unrealized Losses	$ (123)	$ 0
Total, Number of Securities | security	7	7
Total, Fair Value	$ 5,000	$ 2,613
Total, Gross Unrealized Losses	$ (144)	$ (98)