Summary of Significant Accounting Policies - Life Insurance Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Individual	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)
Supplementary Information For Corporate Owned Life Insurance [Line Items]
Number of former employees covered under insurance policies | Individual	16
Average age of former employees covered under insurance policies	79 years
Gross cash surrender values of life insurance	$ 29,500		$ 28,300
Loans on cash surrender value	26,000		25,200
Net cash surrender values of life insurance	4,120		4,018
Gross death benefit of life insurance contracts	37,000		36,000
Life insurance proceeds to be received upon the death of participants	10,600
Non-taxable life insurance gain		$ 987
Casualty Events [Member]
Supplementary Information For Corporate Owned Life Insurance [Line Items]
Expected non-taxable life insurance gain upon death of participants	7,100
Non-taxable life insurance gain		$ 1,000
Non-Qualified Defined Benefit Executive Supplemental Benefit Plan [Member]
Supplementary Information For Corporate Owned Life Insurance [Line Items]
Net cash surrender values of life insurance	$ 3,500		$ 3,100