Equity-Based Compensation Plans (Narrative) (Details) - 2010 Plan - Phantom Units - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Phantom units awarded during the period (in units)	67,342	66,462	74,106
Weighted average grant date fair value of phantom unit (in dollars per unit)	$ 14.44	$ 12.79	$ 10.26
Compensation expense	$ 1.4	$ 0.8	$ 1.2
Liability for compensation awards	$ 1.1	$ 0.7