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Condensed Consolidated Statements of Changes in Partnership Capital (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
General Partner [Member]
Limited Partner [Member]
Total
Balance at Dec. 31, 2021 $ 982 $ 141,428 $ 142,410
Balance (in shares) at Dec. 31, 2021   36,985  
Net income 1,082 $ 29,542 30,624
Acquisition of assets for units 0 $ 14,792 14,792
Acquisition of assets for units (in shares)   570  
Distributions (855) $ (23,644) (24,499)
Balance at Mar. 31, 2022 1,209 $ 162,118 163,327
Balance (in shares) at Mar. 31, 2022   37,555  
Balance at Dec. 31, 2022 676 $ 170,842 171,518
Balance (in shares) at Dec. 31, 2022   38,372  
Net income 760 $ 27,310 28,070
Distributions (1,117) (33,933) (35,050)
Balance at Mar. 31, 2023 $ 319 $ 164,219 $ 164,538
Balance (in shares) at Mar. 31, 2023   38,372