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Financial Information - Washington Federal, INC. - Statements of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Income |  |  |  |  |  |  |  |  |  |  |
Total Income | $ 132,872 | $ 133,735 | $ 135,063 | $ 135,124 | $ 135,339 | $ 129,300 | $ 132,630 | $ 132,741 | $ 536,793 | $ 530,553 | $ 533,697
Expense |  |  |  |  |  |  |  |  |  |  |
Income before income taxes | 65,339 | 65,158 | 63,222 | 54,415 | 66,145 | 60,777 | 62,819 | 59,778 | 248,134 | 249,519 | 244,928
Income tax benefit (expense) | (21,115) | (22,154) | (21,499) | (19,317) | (23,647) | (21,727) | (22,458) | (21,371) | (84,085) | (89,203) | (87,564)
NET INCOME | $ 44,224 | $ 43,004 | $ 41,723 | $ 35,098 | $ 42,498 | $ 39,050 | $ 40,361 | $ 38,407 | 164,049 | 160,316 | 157,364
Parent Company |  |  |  |  |  |  |  |  |  |  |
Income |  |  |  |  |  |  |  |  |  |  |
Dividends from subsidiary |  |  |  |  |  |  |  |  | 148,000 | 175,000 | 70,000
Total Income |  |  |  |  |  |  |  |  | 148,000 | 175,000 | 70,000
Expense |  |  |  |  |  |  |  |  |  |  |
Miscellaneous |  |  |  |  |  |  |  |  | 435 | 439 | 485
Total expense |  |  |  |  |  |  |  |  | 435 | 439 | 485
Net income (loss) before equity in undistributed net income (loss) of subsidiary |  |  |  |  |  |  |  |  | 147,565 | 174,561 | 69,515
Equity in undistributed net income of subsidiary |  |  |  |  |  |  |  |  | 16,336 | (14,402) | 87,675
Income before income taxes |  |  |  |  |  |  |  |  | 163,901 | 160,159 | 157,190
Income tax benefit (expense) |  |  |  |  |  |  |  |  | 148 | 157 | 174
NET INCOME |  |  |  |  |  |  |  |  | $ 164,049 | $ 160,316 | $ 157,364

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