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Income Taxes - Net Deferred Tax Asset (Liability) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Deferred tax assets |  |
Loan loss reserves | $ 31,494 | $ 31,055
REO reserves | 255 | 518
Non-accrual loan interest | 891 | 877
Federal and state tax credits | 537 | 1,074
Deferred compensation | 3,022 | 3,165
Stock based compensation | 1,876 | 1,677
Other | 2,081 | 1,747
Total deferred tax assets | 40,156 | 40,113
Deferred tax liabilities |  |
FHLB stock dividends | 14,478 | 14,941
Valuation adjustment on available-for-sale securities and cash flow hedges | 4,503 | 2,442
Loan origination fees and costs | 8,385 | 9,285
Premises and equipment | 25,399 | 23,429
Other | 2,851 | 1,828
Total deferred tax liabilities | 55,616 | 51,925
Net deferred tax asset (liability) | (15,460) | (11,812)
Current tax asset (liability) | 10,356 | 13,616
Net tax asset (liability) | $ (5,104) | $ 1,804

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