CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCK EQUITY (Unaudited) - USD ($)
$ in Thousands |
Total |
Common Stock |
Premium on Common Stock |
Accumulated Other Comprehensive (Loss) Income |
Treasury Stock and Other |
Retained Earnings |
| Balance as of beginning of period (in shares) at Sep. 30, 2024 |
|
99,461,000
|
|
|
|
|
| Balance as of beginning of period at Sep. 30, 2024 |
$ 2,200,443
|
$ 248,159
|
$ 633,811
|
$ (6,521)
|
$ 26,220
|
$ 1,298,774
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
131,319
|
|
|
|
|
131,319
|
| Other comprehensive income |
68
|
|
|
68
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
232,000
|
|
|
|
|
| Incentive compensation plan |
8,242
|
$ 581
|
7,661
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
80,000
|
|
|
|
|
| Dividend reinvestment plan |
3,744
|
$ 199
|
3,545
|
|
|
|
| Waiver discount (in shares) |
|
418,000
|
|
|
|
|
| Waiver discount |
19,910
|
$ 1,045
|
18,865
|
|
|
|
| Cash dividend declared |
(45,010)
|
|
|
|
|
(45,010)
|
| Treasury stock and other |
(6,032)
|
|
|
|
(6,032)
|
|
| Balance as of end of period (in shares) at Dec. 31, 2024 |
|
100,191,000
|
|
|
|
|
| Balance as of end of period at Dec. 31, 2024 |
2,312,684
|
$ 249,984
|
663,882
|
(6,453)
|
20,188
|
1,385,083
|
| Balance as of beginning of period (in shares) at Sep. 30, 2024 |
|
99,461,000
|
|
|
|
|
| Balance as of beginning of period at Sep. 30, 2024 |
2,200,443
|
$ 248,159
|
633,811
|
(6,521)
|
26,220
|
1,298,774
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
320,555
|
|
|
|
|
|
| Other comprehensive income |
203
|
|
|
|
|
|
| Balance as of end of period (in shares) at Jun. 30, 2025 |
|
100,378,000
|
|
|
|
|
| Balance as of end of period at Jun. 30, 2025 |
2,423,616
|
$ 250,454
|
672,034
|
(6,318)
|
23,431
|
1,484,015
|
| Balance as of beginning of period (in shares) at Dec. 31, 2024 |
|
100,191,000
|
|
|
|
|
| Balance as of beginning of period at Dec. 31, 2024 |
2,312,684
|
$ 249,984
|
663,882
|
(6,453)
|
20,188
|
1,385,083
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
204,287
|
|
|
|
|
204,287
|
| Other comprehensive income |
67
|
|
|
67
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
31,000
|
|
|
|
|
| Incentive compensation plan |
1,275
|
$ 76
|
1,199
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
81,000
|
|
|
|
|
| Dividend reinvestment plan |
3,723
|
$ 205
|
3,518
|
|
|
|
| Cash dividend declared |
(45,135)
|
|
|
|
|
(45,135)
|
| Treasury stock and other |
1,006
|
|
|
|
1,006
|
|
| Balance as of end of period (in shares) at Mar. 31, 2025 |
|
100,303,000
|
|
|
|
|
| Balance as of end of period at Mar. 31, 2025 |
2,477,907
|
$ 250,265
|
668,599
|
(6,386)
|
21,194
|
1,544,235
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
(15,051)
|
|
|
|
|
(15,051)
|
| Other comprehensive income |
68
|
|
|
68
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
1,000
|
|
|
|
|
| Incentive compensation plan |
35
|
$ 2
|
33
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
75,000
|
|
|
|
|
| Dividend reinvestment plan |
3,589
|
$ 187
|
3,402
|
|
|
|
| Cash dividend declared |
(45,169)
|
|
|
|
|
(45,169)
|
| Treasury stock and other (in shares) |
|
(1,000)
|
|
|
|
|
| Treasury stock and other |
2,237
|
|
|
|
2,237
|
|
| Balance as of end of period (in shares) at Jun. 30, 2025 |
|
100,378,000
|
|
|
|
|
| Balance as of end of period at Jun. 30, 2025 |
$ 2,423,616
|
$ 250,454
|
672,034
|
(6,318)
|
23,431
|
1,484,015
|
| Balance as of beginning of period (in shares) at Sep. 30, 2025 |
100,478,590
|
100,479,000
|
|
|
|
|
| Balance as of beginning of period at Sep. 30, 2025 |
$ 2,391,666
|
$ 250,705
|
676,635
|
(11,463)
|
24,422
|
1,451,367
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
122,490
|
|
|
|
|
122,490
|
| Other comprehensive income |
258
|
|
|
258
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
194,000
|
|
|
|
|
| Incentive compensation plan |
8,890
|
$ 485
|
8,405
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
79,000
|
|
|
|
|
| Dividend reinvestment plan |
3,733
|
$ 198
|
3,535
|
|
|
|
| Cash dividend declared |
(47,855)
|
|
|
|
|
(47,855)
|
| Treasury stock and other (in shares) |
|
(2,000)
|
|
|
|
|
| Treasury stock and other |
(6,847)
|
|
|
|
(6,847)
|
|
| Balance as of end of period (in shares) at Dec. 31, 2025 |
|
100,750,000
|
|
|
|
|
| Balance as of end of period at Dec. 31, 2025 |
$ 2,472,335
|
$ 251,388
|
688,575
|
(11,205)
|
17,575
|
1,526,002
|
| Balance as of beginning of period (in shares) at Sep. 30, 2025 |
100,478,590
|
100,479,000
|
|
|
|
|
| Balance as of beginning of period at Sep. 30, 2025 |
$ 2,391,666
|
$ 250,705
|
676,635
|
(11,463)
|
24,422
|
1,451,367
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
351,091
|
|
|
|
|
|
| Other comprehensive income |
$ 773
|
|
|
|
|
|
| Balance as of end of period (in shares) at Jun. 30, 2026 |
101,410,957
|
101,411,000
|
|
|
|
|
| Balance as of end of period at Jun. 30, 2026 |
$ 2,643,460
|
$ 253,039
|
722,614
|
(10,690)
|
19,867
|
1,658,630
|
| Balance as of beginning of period (in shares) at Dec. 31, 2025 |
|
100,750,000
|
|
|
|
|
| Balance as of beginning of period at Dec. 31, 2025 |
2,472,335
|
$ 251,388
|
688,575
|
(11,205)
|
17,575
|
1,526,002
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
218,912
|
|
|
|
|
218,912
|
| Other comprehensive income |
258
|
|
|
258
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
30,000
|
|
|
|
|
| Incentive compensation plan |
1,375
|
$ 75
|
1,300
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
82,000
|
|
|
|
|
| Dividend reinvestment plan |
3,794
|
$ 204
|
3,590
|
|
|
|
| Cash dividend declared |
(47,908)
|
|
|
|
|
(47,908)
|
| Treasury stock and other |
(209)
|
|
|
|
(209)
|
|
| Balance as of end of period (in shares) at Mar. 31, 2026 |
|
100,862,000
|
|
|
|
|
| Balance as of end of period at Mar. 31, 2026 |
2,648,557
|
$ 251,667
|
693,465
|
(10,947)
|
17,366
|
1,697,006
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Net income (loss) |
9,689
|
|
|
|
|
9,689
|
| Other comprehensive income |
257
|
|
|
257
|
|
|
| Common stock issued: |
|
|
|
|
|
|
| Incentive compensation plan (in shares) |
|
1,000
|
|
|
|
|
| Incentive compensation plan |
34
|
$ 2
|
32
|
|
|
|
| Dividend reinvestment plan (in shares) |
|
66,000
|
|
|
|
|
| Dividend reinvestment plan |
3,608
|
$ 166
|
3,442
|
|
|
|
| Waiver discount (in shares) |
|
482,000
|
|
|
|
|
| Waiver discount |
26,879
|
$ 1,204
|
25,675
|
|
|
|
| Cash dividend declared |
(48,065)
|
|
|
|
|
(48,065)
|
| Treasury stock and other |
$ 2,501
|
|
|
|
2,501
|
|
| Balance as of end of period (in shares) at Jun. 30, 2026 |
101,410,957
|
101,411,000
|
|
|
|
|
| Balance as of end of period at Jun. 30, 2026 |
$ 2,643,460
|
$ 253,039
|
$ 722,614
|
$ (10,690)
|
$ 19,867
|
$ 1,658,630
|