Partners' Capital, Mezzanine Equity and Distributions (Class A Convertible Preferred Units - Narrative) (Details) $ / shares in Units, $ in Thousands							3 Months Ended	12 Months Ended
	Sep. 01, 2024 USD ($) director shares	Jul. 03, 2023 $ / shares shares	Apr. 03, 2023 $ / shares shares	Sep. 01, 2022	Mar. 01, 2019 quarters	Sep. 01, 2017 USD ($) buyer $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Nov. 14, 2023 $ / shares	Aug. 14, 2023 $ / shares	Aug. 08, 2023 shares	May 15, 2023 $ / shares	Feb. 14, 2023 $ / shares	Nov. 14, 2022 $ / shares	Sep. 29, 2022	Aug. 12, 2022 $ / shares	May 16, 2022 shares	May 13, 2022 $ / shares	Feb. 14, 2022 $ / shares	Nov. 12, 2021 $ / shares	Aug. 13, 2021 $ / shares	May 14, 2021 $ / shares	Apr. 14, 2020 shares	Sep. 23, 2019 shares	Sep. 01, 2019 USD ($)
Temporary Equity [Line Items]
Stock Repurchased and Retired During Period, Value | $								$ 1,044
Maximum | Subsidiaries [Member] | Genesis Alkali Holdings Company, LLC [Member]
Temporary Equity [Line Items]
Convertible preferred units outstanding (in units)																									351,750	350,000
Class A Convertible Preferred Stock Units
Temporary Equity [Line Items]
Class A convertible preferred units issued (in units)							23,111,918	23,111,918	25,336,778
Number of shares authorized to be converted (in units)						7,416,498
Consecutive period for shares to be converted						12 months
Minimum number of shares outstanding authorized to be converted (in units)						592,768
Volume weighted average price percentage						95.00%
Consecutive trading days in period ending on fifth trading day						30 days
Consideration payable to holders in cash for change of control percentage						90.00%
Threshold trading days to notify holders				30 days		30 days
Change in control multiplier price percentage						101.00%
Temporary Equity, Basis Spread on Variable Rate					0.0200
Reset rate				10.75%			11.24%	11.24%									11.24%
Percentage below issue price				110.00%
Convertible preferred units outstanding (in units)							23,111,918	23,111,918	25,336,778
Accumulated distributions attributable to Class A preferred unitholders | $								$ (90,700)	$ (80,100)	$ (74,700)
Aggregate amount of conversion required, minimum | $																											$ 50,000
Number of quarters in trading period | quarters					2
Temporary Equity, Par or Stated Value Per Share | $ / shares		$ 35.2	$ 35.2
Temporary Equity, Stock Issued During Period, Shares, New Issues		2,224,860	2,224,860					(93,900,000)
Temporary Equity, Accretion to Redemption Value, Adjustment | $								$ 3,200
Class A Convertible Preferred Stock Units | Preferred Unitholders
Temporary Equity [Line Items]
Cash distributions per common unit (in dollars per unit) | $ / shares							$ 0.9473	$ 0.9473			$ 0.9473	$ 0.9473		$ 0.9473	$ 0.9473	$ 0.7374		$ 0.7374		$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374
Class A Convertible Preferred Stock Units | In Arrears At Annual Rate
Temporary Equity [Line Items]
Dividend rate percentage						8.75%
Dividend amount (in dollars per unit) | $ / shares						$ 2.9496
Class A Convertible Preferred Stock Units | Quarterly Rate
Temporary Equity [Line Items]
Dividend rate percentage						2.1875%
Dividend amount (in dollars per unit) | $ / shares						$ 0.7374
Class A Convertible Preferred Stock Units | LIBOR Rate
Temporary Equity [Line Items]
Temporary Equity, Basis Spread on Variable Rate				0.0750													750
Reset rate																	3.74%
Class A Convertible Preferred Stock Units | Scenario, Forecast
Temporary Equity [Line Items]
Conversion ratio	1
Aggregate amount of ownership required for initial purchasers to attend board meetings | $	$ 200,000
Percentage required for initial purchasers to purchase securities	50.00%
Aggregate number of ownership units required for initial purchasers to appoint directors (in units)	11,124,747
Number of directors that initial purchasers have right to appoint | director	2
Class A Convertible Preferred Stock Units | Minimum
Temporary Equity [Line Items]
Redemption premium percentage						115.00%
Reset rate																	8.75%
Class A Convertible Preferred Stock Units | Maximum
Temporary Equity [Line Items]
Redemption premium percentage						101.00%
Reset rate							11.24%	11.24%
Class A Convertible Preferred Stock Units | Private Placement
Temporary Equity [Line Items]
Private placement of convertible preferred units | $						$ 750,000
Class A convertible preferred units issued (in units)						22,249,494
Cash purchase price per unit (in dollars per unit) | $ / shares						$ 33.71
Number of initial purchasers | buyer						2
Class A | 2023 Repurchase Program
Temporary Equity [Line Items]
Stock Repurchased and Retired During Period, Value | $							$ 1,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased													12,253,922
Redeemable Non Controlling Interest | Subsidiaries [Member] | Genesis Alkali Holdings Company, LLC [Member]
Temporary Equity [Line Items]
Convertible preferred units outstanding (in units)							0	0											251,750							55,000