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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, 2020 $ 536 $ 84,028 $ 84,564
Balance (in shares) at Dec. 31, 2020   34,680  
Net income 397 $ 11,404 11,801
Distributions (279) (8,402) (8,681)
Balance at Mar. 31, 2021 654 $ 87,030 87,684
Balance (in shares) at Mar. 31, 2021   34,680  
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
Distributions (855) (23,644) (24,499)
Acquisition of assets for units 0 $ 14,792 14,792
Acquisition of assets for units (in shares)   570  
Balance at Mar. 31, 2022 $ 1,209 $ 162,118 $ 163,327
Balance (in shares) at Mar. 31, 2022   37,555