Employee Benefit Plans - Pension Plan Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Employee benefit plans
Fair value of plan assets	$ 202,791
Fair value of plan assets, including accrued interest and dividends	203,000	$ 239,400
Common stock
Employee benefit plans
Fair value of plan assets	61,552
Mutual funds
Employee benefit plans
Fair value of plan assets	121,826
Money market funds
Employee benefit plans
Fair value of plan assets	9,208
Other
Employee benefit plans
Fair value of plan assets	$ 10,205
Level 1
Employee benefit plans
Fair value of plan assets		239,262
Level 1 | Common stock
Employee benefit plans
Fair value of plan assets		61,968
Level 1 | Mutual funds
Employee benefit plans
Fair value of plan assets		154,676
Level 1 | Money market funds
Employee benefit plans
Fair value of plan assets		11,946
Level 1 | Other
Employee benefit plans
Fair value of plan assets		$ 10,672