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Post Retirement Benefits - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]          
Net period benefit cost reduction   $ 496 $ 496 $ 496  
Actuarial gain (loss)   (1,096) 1,047    
Post Retirement Benefits          
Defined Benefit Plan Disclosure [Line Items]          
Reduction of post retirement benefit liability         $ (10,282)
Net period benefit cost reduction   496 496 $ 496  
Net actuarial gain (loss)   (79) 102    
Actuarial gain (loss)   1,017 (945)    
Net credit of amounts net yet recognized as a component of net periodic benefit costs   (1,361) (1,763)    
Gain (loss) of net periodic post retirement costs   496 (173)    
Interest expense related to post retirement healthcare   $ 198 $ 125    
Weighted average rate of increase in per capita cost of covered health care benefits   5.40% 5.10%    
Weighted average rate per capita cost of covered health care benefits     6.00%    
Post Retirement Benefits | Medical, Pre Age 65          
Defined Benefit Plan Disclosure [Line Items]          
Weighted average rate per capita cost of covered health care benefits   5.00%      
Post Retirement Benefits | Medical, Post Age 65          
Defined Benefit Plan Disclosure [Line Items]          
Weighted average rate per capita cost of covered health care benefits   4.25%      
Post Retirement Benefits | Drugs          
Defined Benefit Plan Disclosure [Line Items]          
Weighted average rate per capita cost of covered health care benefits   5.00%      
Forecast | Post Retirement Benefits          
Defined Benefit Plan Disclosure [Line Items]          
Net period benefit cost reduction $ 496