Employee Benefit Plans - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) hour	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee pretax Roth contribution percentage of salary		70.00%
Employees age of over with one year period		21 years
Employees age minimum period		1 year
Number of service hours | hour		1,000
Employee pretax contribution percentage		100.00%
Employee contribution		1.00%
Employee contribution percentage		3.00%
Employees compensation		50.00%
Total contributed by employee percentage		2.00%
Corporation's matching contribution and related expenses		$ 1,600	$ 1,200	$ 1,100
Compensation percentage in excess of specified amount		5.70%
Excess of compensation		$ 147
Salary limit		305
Recognized profit sharing expense		2,900	2,000	1,900
Obligations of other liabilities		9,700	8,800
Expenses related employee benefit plans		1,300	2,100	992
Obligations under survivor benefit plan		1,600	1,500
Other liabilities related to survivor benefit plan		$ 81	196	$ 253
Employee retirement health care benefits plan		60 years
Minimum service period for participation in benefit plan		30 years
Accumulated benefit obligation		$ 1,200	$ 1,500
Weighted average discount rate net periodic benefit cost		2.10%	1.55%	2.59%
Accrued benefit obligations		4.72%	2.10%	1.55%
Expected costs of benefit		5.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Qualifying dependents age group		60 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Qualifying dependents age group		65 years
Next fiscal year estimate
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated gain to be amortized from accumulated other comprehensive income into net periodic benefit cost	$ (174)