Investment Securities - Schedule of Fair Value and Unrealized Loss on Debt Security Investments in a Continuous Unrealized Loss Position (Details)	Mar. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	0	2
Available-for-sale securities, Less than 12 Months: Fair Value	$ 0	$ 4,425,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 0	$ 116,000
Available-for-sale securities, 12 Months or More: Number of Securities | security	138	136
Available-for-sale securities, 12 Months or More: Fair Value	$ 217,632,000	$ 219,130,000
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 24,497,000	$ 22,215,000
Available-for-sale securities, Total: Number of Securities | security	138	138
Available-for-sale securities, Total: Fair Value	$ 217,632,000	$ 223,555,000
Available-for-sale securities, Total: Unrealized Losses	$ 24,497,000	$ 22,331,000
Schedule of Held-to-Maturity Securities [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	16	27
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 5,846,000	$ 11,667,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 86,000	$ 120,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security	401	392
Held-to-maturity securities, 12 Months or More: Fair Value	$ 345,043,000	$ 345,854,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 45,710,000	$ 41,500,000
Held-to-maturity securities, Total: Number of Securities | security	417	419
Held-to-maturity securities, Total: Fair Value	$ 350,889,000	$ 357,521,000
Held-to-maturity securities, Total: Unrealized Losses	$ 45,796,000	$ 41,620,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security	16	29
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value	$ 5,846,000	$ 16,092,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 86,000	$ 236,000
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security	539	528
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value	$ 562,675,000	$ 564,984,000
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 70,207,000	$ 63,715,000
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security	555	557
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value	$ 568,521,000	$ 581,076,000
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses	$ 70,293,000	$ 63,951,000
U.S. Treasury and U.S. government agencies
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	0	0
Available-for-sale securities, Less than 12 Months: Fair Value	$ 0	$ 0
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 0	$ 0
Available-for-sale securities, 12 Months or More: Number of Securities | security	19	19
Available-for-sale securities, 12 Months or More: Fair Value	$ 35,490,000	$ 35,649,000
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 1,174,000	$ 988,000
Available-for-sale securities, Total: Number of Securities | security	19	19
Available-for-sale securities, Total: Fair Value	$ 35,490,000	$ 35,649,000
Available-for-sale securities, Total: Unrealized Losses	$ 1,174,000	$ 988,000
Schedule of Held-to-Maturity Securities [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	0	1
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 0	$ 2,002,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 0	$ 0
Held-to-maturity securities, 12 Months or More: Number of Securities | security	145	144
Held-to-maturity securities, 12 Months or More: Fair Value	$ 215,018,000	$ 215,129,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 30,821,000	$ 28,676,000
Held-to-maturity securities, Total: Number of Securities | security	145	145
Held-to-maturity securities, Total: Fair Value	$ 215,018,000	$ 217,131,000
Held-to-maturity securities, Total: Unrealized Losses	$ 30,821,000	$ 28,676,000
Mortgage-backed U.S. government agencies
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	0	1
Available-for-sale securities, Less than 12 Months: Fair Value	$ 0	$ 4,015,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 0	$ 26,000
Available-for-sale securities, 12 Months or More: Number of Securities | security	93	92
Available-for-sale securities, 12 Months or More: Fair Value	$ 146,765,000	$ 148,668,000
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 18,637,000	$ 16,475,000
Available-for-sale securities, Total: Number of Securities | security	93	93
Available-for-sale securities, Total: Fair Value	$ 146,765,000	$ 152,683,000
Available-for-sale securities, Total: Unrealized Losses	$ 18,637,000	$ 16,501,000
Schedule of Held-to-Maturity Securities [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	0	0
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 0	$ 0
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 0	$ 0
Held-to-maturity securities, 12 Months or More: Number of Securities | security	64	64
Held-to-maturity securities, 12 Months or More: Fair Value	$ 36,507,000	$ 38,295,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 5,869,000	$ 5,523,000
Held-to-maturity securities, Total: Number of Securities | security	64	64
Held-to-maturity securities, Total: Fair Value	$ 36,507,000	$ 38,295,000
Held-to-maturity securities, Total: Unrealized Losses	$ 5,869,000	$ 5,523,000
State and political subdivision obligations
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	0	0
Available-for-sale securities, Less than 12 Months: Fair Value	$ 0	$ 0
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 0	$ 0
Available-for-sale securities, 12 Months or More: Number of Securities | security	8	8
Available-for-sale securities, 12 Months or More: Fair Value	$ 3,633,000	$ 3,646,000
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 693,000	$ 686,000
Available-for-sale securities, Total: Number of Securities | security	8	8
Available-for-sale securities, Total: Fair Value	$ 3,633,000	$ 3,646,000
Available-for-sale securities, Total: Unrealized Losses	$ 693,000	$ 686,000
Schedule of Held-to-Maturity Securities [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	16	25
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 5,846,000	$ 8,729,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 86,000	$ 63,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security	177	170
Held-to-maturity securities, 12 Months or More: Fair Value	$ 70,201,000	$ 68,831,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 6,872,000	$ 6,423,000
Held-to-maturity securities, Total: Number of Securities | security	193	195
Held-to-maturity securities, Total: Fair Value	$ 76,047,000	$ 77,560,000
Held-to-maturity securities, Total: Unrealized Losses	$ 6,958,000	$ 6,486,000
Corporate debt securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	0	1
Available-for-sale securities, Less than 12 Months: Fair Value	$ 0	$ 410,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 0	$ 90,000
Available-for-sale securities, 12 Months or More: Number of Securities | security	18	17
Available-for-sale securities, 12 Months or More: Fair Value	$ 31,744,000	$ 31,167,000
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 3,993,000	$ 4,066,000
Available-for-sale securities, Total: Number of Securities | security	18	18
Available-for-sale securities, Total: Fair Value	$ 31,744,000	$ 31,577,000
Available-for-sale securities, Total: Unrealized Losses	$ 3,993,000	$ 4,156,000
Schedule of Held-to-Maturity Securities [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	0	1
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 0	$ 936,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 0	$ 57,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security	15	14
Held-to-maturity securities, 12 Months or More: Fair Value	$ 23,317,000	$ 23,599,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 2,148,000	$ 878,000
Held-to-maturity securities, Total: Number of Securities | security	15	15
Held-to-maturity securities, Total: Fair Value	$ 23,317,000	$ 24,535,000
Held-to-maturity securities, Total: Unrealized Losses	$ 2,148,000	$ 935,000