Benefit Plans - Fair Value Measurements (Details) - Qualified Plan - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	100.00%	100.00%
Fair value of plan assets	$ 274,696	$ 277,637
Mutual funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	30.00%	28.00%
Fair value of plan assets	$ 78,712	$ 79,462
U.S. Treasury securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	20.00%	22.00%
Fair value of plan assets	$ 57,587	$ 59,931
Equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	20.00%	21.00%
Fair value of plan assets	$ 55,157	$ 57,987
Corporate bonds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	17.00%	23.00%
Fair value of plan assets	$ 46,839	$ 64,715
Commingled fund
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	9.00%
Fair value of plan assets	$ 23,395
U.S. government agency securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	3.00%	4.00%
Fair value of plan assets	$ 9,271	$ 10,590
Cash and money market funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percent of total investments	1.00%	2.00%
Fair value of plan assets	$ 3,735	$ 4,952
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	195,191	202,332
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	78,712	79,462
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	57,587	59,931
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	55,157	57,987
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commingled fund
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government agency securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and money market funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	3,735	4,952
Significant Other Observable  Inputs (Level 2)
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	79,505	75,305
Significant Other Observable  Inputs (Level 2) | Mutual funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Other Observable  Inputs (Level 2) | U.S. Treasury securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Other Observable  Inputs (Level 2) | Equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Other Observable  Inputs (Level 2) | Corporate bonds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	46,839	64,715
Significant Other Observable  Inputs (Level 2) | Commingled fund
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	23,395
Significant Other Observable  Inputs (Level 2) | U.S. government agency securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	9,271	10,590
Significant Other Observable  Inputs (Level 2) | Cash and money market funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | Mutual funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | U.S. Treasury securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | Equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | Corporate bonds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | Commingled fund
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0
Significant Unobservable Inputs (Level 3) | U.S. government agency securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	0	0
Significant Unobservable Inputs (Level 3) | Cash and money market funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value of plan assets	$ 0	$ 0