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CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL - USD ($)
shares in Thousands, $ in Thousands
Total
General Partner
Common Stock
Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Sep. 30, 2020 $ 255,820 $ (2,506) $ 273,283 $ (14,957)
Beginning Balance, unit at Sep. 30, 2020   326 43,328  
Net income 37,860 $ 296 $ 37,564  
Unrealized gain on pension plan obligation 235     235
Tax effect of unrealized gain on pension plan obligation (64)     (64)
Unrealized loss on captive insurance collateral (340)     (340)
Tax effect of unrealized loss on captive insurance collateral 72     72
Unrealized gain on interest rate hedges 332     332
Tax effect of unrealized gain on interest rate hedges (88)     (88)
Distributions (5,939) (237) (5,702)  
Retirement of units (25,272)   $ (25,272)  
Retirement of units, shares     (2,591)  
Ending Balance at Dec. 31, 2020 262,616 $ (2,447) $ 279,873 (14,810)
Ending Balance, Unit at Dec. 31, 2020   326 40,737  
Beginning Balance at Sep. 30, 2021 278,204 $ (2,821) $ 295,063 (14,038)
Beginning Balance, unit at Sep. 30, 2021   326 39,046  
Net income 14,489 $ 122 $ 14,367  
Unrealized gain on pension plan obligation 224     224
Tax effect of unrealized gain on pension plan obligation (45)     (45)
Unrealized loss on captive insurance collateral (612)     (612)
Tax effect of unrealized loss on captive insurance collateral 129     129
Unrealized gain on interest rate hedges 718     718
Tax effect of unrealized gain on interest rate hedges (193)     (193)
Distributions (5,790) (264) (5,526)  
Retirement of units (11,765)   $ (11,765)  
Retirement of units, shares     (1,104)  
Ending Balance at Dec. 31, 2021 $ 275,359 $ (2,963) $ 292,139 $ (13,817)
Ending Balance, Unit at Dec. 31, 2021   326 37,942