Employee Benefit Plans - Schedule of Defined Benefit Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amounts recognized on the balance sheets:
Non-current liabilities	$ (36,557)	$ (33,816)
SERP
Amounts recognized on the balance sheets:
Current liabilities	(938)	(942)
Non-current liabilities	(36,557)	(33,816)
Net amount recognized	(37,495)	(34,758)
Amounts recognized in regulatory assets (liabilities) consist of:
Prior service cost (credit)	0	0
Net loss	2,872	1,855
Regulatory assets (liabilities)	2,872	1,855	$ 2,869
Unfunded accrued cost	34,623	32,903
Net liability (asset) recognized	37,495	34,758
Changes in plan assets and benefit obligations recognized in regulatory assets (liabilities):
Regulatory asset (liability) at beginning of year	1,855	2,869
Net (gain) loss	1,016	(1,028)
Amortization of prior service credit	0	0
Amortization of net loss	1	14
Total change in regulatory asset (liability)	1,017	(1,014)
Regulatory asset (liability) at end of year	2,872	1,855	2,869
Net periodic pension costs	2,662	3,122	2,858
Change in regulatory asset (liability)	1,017	(1,014)
Total recognized in net periodic pension cost and regulatory asset (liability)	3,679	2,108
Additional year-end information for plans with an accumulated benefit obligation in excess of plan assets:
Projected benefit obligation	37,495	34,758	$ 33,594
Accumulated benefit obligation	35,732	33,196
Fair value of plan assets	$ 0	$ 0
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate	5.47%	5.66%
SERP | Maximum
Weighted-average assumptions used to determine benefit obligations at December 31:
Rate of compensation increase	4.00%	4.00%
SERP | Minimum
Weighted-average assumptions used to determine benefit obligations at December 31:
Rate of compensation increase	4.50%	4.50%