v3.26.1
Revenue from Contracts with Customers (Tables)
 6 Months Ended
Mar. 31, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue The following tables provide a disaggregation of the Company's revenues for the quarter and six months ended March 31, 2026 and 2025, presented by type of service from each reportable segment. As reported in the Company's 2025 Form 10-K, the segment reporting structure was modified to merge the Exploration and Production segment and Gathering segment into one reportable segment called Integrated Upstream and Gathering. Prior year disaggregation of revenue information shown below has been restated to reflect this change in presentation.
Quarter Ended March 31, 2026 (Thousands)
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$400,217 $— $— $400,217 $— $— $400,217 
Production of Crude Oil439 — — 439 — — 439 
Natural Gas Processing200 — — 200 — — 200 
Natural Gas Gathering Service2,624 — — 2,624 — — 2,624 
Natural Gas Transportation Service— 83,048 48,578 131,626 — (26,649)104,977 
Natural Gas Storage Service— 25,677 — 25,677 — (10,891)14,786 
Natural Gas Residential Sales— — 322,969 322,969 — — 322,969 
Natural Gas Commercial Sales— — 50,887 50,887 — — 50,887 
Natural Gas Industrial Sales— — 2,558 2,558 — (3)2,555 
Other4,037 2,738 2,889 9,664 — (284)9,380 
Total Revenues from Contracts with Customers407,517 111,463 427,881 946,861 — (37,827)909,034 
Alternative Revenue Programs— — (1,967)(1,967)— — (1,967)
Derivative Financial Instruments(48,694)— — (48,694)— — (48,694)
Total Revenues$358,823 $111,463 $425,914 $896,200 $— $(37,827)$858,373 
Six Months Ended March 31, 2026 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$702,677 $— $— $702,677 $— $— $702,677 
Production of Crude Oil731 — — 731 — — 731 
Natural Gas Processing364 — — 364 — — 364 
Natural Gas Gathering Service5,390 — — 5,390 — — 5,390 
Natural Gas Transportation Service— 164,056 81,196 245,252 — (53,406)191,846 
Natural Gas Storage Service— 50,814 — 50,814 — (21,606)29,208 
Natural Gas Residential Sales— — 520,978 520,978 — — 520,978 
Natural Gas Commercial Sales— — 78,764 78,764 — — 78,764 
Natural Gas Industrial Sales— — 3,967 3,967 — (3)3,964 
Other8,182 3,494 1,865 13,541 — (565)12,976 
Total Revenues from Contracts with Customers717,344 218,364 686,770 1,622,478 — (75,580)1,546,898 
Alternative Revenue Programs— — (1,718)(1,718)— — (1,718)
Derivative Financial Instruments(35,299)— — (35,299)— — (35,299)
Total Revenues$682,045 $218,364 $685,052 $1,585,461 $— $(75,580)$1,509,881 
Quarter Ended March 31, 2025 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$318,404 $— $— $318,404 $— $— $318,404 
Production of Crude Oil393 — — 393 — — 393 
Natural Gas Processing338 — — 338 — — 338 
Natural Gas Gathering Service3,233 — — 3,233 — — 3,233 
Natural Gas Transportation Service— 82,481 45,256 127,737 — (27,538)100,199 
Natural Gas Storage Service— 25,288 — 25,288 — (10,691)14,597 
Natural Gas Residential Sales— — 257,100 257,100 — — 257,100 
Natural Gas Commercial Sales— — 39,602 39,602 — — 39,602 
Natural Gas Industrial Sales— — 1,937 1,937 — (2)1,935 
Other657 1,804 (3,228)(767)— (276)(1,043)
Total Revenues from Contracts with Customers323,025 109,573 340,667 773,265 — (38,507)734,758 
Alternative Revenue Programs— — 3,026 3,026 — — 3,026 
Derivative Financial Instruments(7,834)— — (7,834)— — (7,834)
Total Revenues$315,191 $109,573 $343,693 $768,457 $— $(38,507)$729,950 
Six Months Ended March 31, 2025 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$535,863 $— $— $535,863 $— $— $535,863 
Production of Crude Oil907 — — 907 — — 907 
Natural Gas Processing613 — — 613 — — 613 
Natural Gas Gathering Service6,681 — — 6,681 — — 6,681 
Natural Gas Transportation Service— 163,686 72,176 235,862 — (54,719)181,143 
Natural Gas Storage Service— 50,281 — 50,281 — (21,195)29,086 
Natural Gas Residential Sales— — 413,450 413,450 — — 413,450 
Natural Gas Commercial Sales— — 61,845 61,845 — — 61,845 
Natural Gas Industrial Sales— — 3,275 3,275 — (3)3,272 
Other1,541 2,219 12,512 16,272 — (537)15,735 
Total Revenues from Contracts with Customers545,605 216,186 563,258 1,325,049 — (76,454)1,248,595 
Alternative Revenue Programs— — 8,943 8,943 — — 8,943 
Derivative Financial Instruments21,894 — — 21,894 — — 21,894 
Total Revenues$567,499 $216,186 $572,201 $1,355,886 $— $(76,454)$1,279,432