Incentive and Deferred Compensation Plans - Deferred Executive Compensation Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred executive compensation liability
Deferred executive compensation, beginning of the year	$ 25,760	$ 27,208	$ 32,223
Total plan awards and earnings	17,561	10,126	13,282
Total plan awards paid	(10,211)	(10,413)	(16,647)
Deferred executive compensation, end of the year	31,918	25,760	27,208
Annual Incentive Plan
Deferred executive compensation liability
Annual incentive plan awards	7,401	6,305	6,768
Long-Term Incentive Plan
Deferred executive compensation liability
Long-term incentive plan awards	7,332	3,417	3,471
Forfeitures	0	0	(473)
Deferred Compensation Plans and Stock Compensation Plan for Outside Directors
Deferred executive compensation liability
Employer match and hypothetical earnings on deferred compensation	2,828	404	3,043
Compensation deferred	1,809	2,528	4,765
Distributions from the deferred compensation plans	(313)	(742)	(811)
Stock Compensation Plan for Outside Directors
Deferred executive compensation liability
Funding of rabbi trust	(1,407)	(1,221)	(1,113)
Incentive Compensation Deferral Plan
Deferred executive compensation liability
Funding of rabbi trust	(1,281)	(1,726)	$ (4,018)
Shares held back to satisfy tax withholding on rabbi trust distributions	$ 900	$ 500