Employee Benefit Plans - Fair Value of Assets (Details) - SERP - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Employee benefit plans
Total investments measured at fair value	$ 0	$ 0
Rabbi Trust | Fair Value
Employee benefit plans
Total investments measured at fair value	41,187	34,143
Level 1 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	41,187	34,143
Level 2 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Level 3 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Cash equivalents | Rabbi Trust | Fair Value
Employee benefit plans
Total investments measured at fair value	11	6
Cash equivalents | Level 1 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	11	6
Cash equivalents | Level 2 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Cash equivalents | Level 3 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Fixed income securities | Rabbi Trust | Fair Value
Employee benefit plans
Total investments measured at fair value	16,698	13,676
Fixed income securities | Level 1 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	16,698	13,676
Fixed income securities | Level 2 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Fixed income securities | Level 3 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Equity securities | Rabbi Trust | Fair Value
Employee benefit plans
Total investments measured at fair value	24,478	20,461
Equity securities | Level 1 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	24,478	20,461
Equity securities | Level 2 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	0	0
Equity securities | Level 3 | Rabbi Trust
Employee benefit plans
Total investments measured at fair value	$ 0	$ 0