Employee Benefit Plans - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) postretirement_benefit_plan	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Defined contribution plan [Abstract]
Defined contribution plan service period (in months)	3 months
Defined contribution plan employer maximum percentage match of annual salary based on employee contribution	3.00%
Defined contribution plan employer maximum percentage of annual profit-sharing contribution to plan for benefit of employee (in hundredths)	2.00%	2.00%
Defined contribution plan, employer matching contribution, percent of match	3.00%	3.00%
Expense related to 401(k) plan	$ 775,000	$ 981,000	$ 575,000
Unfunded, supplemental retirement benefits payable period	20 years
Pension expense	$ 167,000	450,000	$ 165,000
Accrued pension liability	$ 2,872,000	$ 2,991,000
Number of post-retirement benefit plans | postretirement_benefit_plan	2
Post-retirement benefit plan health insurance subsidy range minimum per month per person	$ 40
Post-retirement benefit plan health insurance subsidy range maximum per month per person	1,200
Expected future benefit payments in 2022	87,000
Expected future benefit payments in 2023	87,000
Expected future benefit payments in 2024	96,000
Expected future benefit payments in 2025	95,000
Expected future benefit payments in 2026	93,000
Expected future benefit payments in 2026 through 2029	425,000
Estimated plan expense	$ 33,000