Employee Benefit Plans - Plan assets using fair value hierarchy (Details) - Retirement Income Plan - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Investments measured at Net Asset Value	$ 0
Investments at Fair Value	20,041	$ 35,339
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	740	444
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	19,301	34,895
Investment
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	20,041	35,339
Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	740	444
Level 1 | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	0
Level 1 | Investment
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	740	444
Level 2 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	0
Level 2 | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	19,301	34,895
Level 2 | Investment
Defined Benefit Plan Disclosure [Line Items]
Total Assets in the Fair Value Hierarchy	$ 19,301	$ 34,895