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INCOME TAXES (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Federal: |  |  |
Current | $ 5,278 | $ (4,023) | $ 12,153
Deferred | (14,831) | 5,895 | (5,040)
Federal income tax expense | (9,553) | 1,872 | 7,113
State: |  |  |
Current | 5,649 | 2,611 | 4,366
Deferred | 530 | 634 | (1,246)
State tax expense | 6,179 | 3,245 | 3,120
Income tax (benefit) expense | (3,374) | 5,117 | 10,233
Deferred tax assets: |  |  |
Bad debts | 6,805 | 3,224 |
Deferred compensation | 1,626 | 3,495 |
Stock based compensation | 4,296 | 3,758 |
Net unrealized losses on securities available for sale | 0 | 10,663 |
Valuation adjustments | 6,596 | 6,991 |
General business credits | 27,935 | 12,243 |
Accrued expenses | 3,767 | 3,144 |
Other assets | 3,144 | 1,629 |
Gross deferred tax assets | 54,169 | 45,147 |
Deferred tax liabilities: |  |  |
Premises and equipment | (3,084) | (347) |
Intangibles | (1,812) | (4,231) |
Net unrealized gains on securities available for sale | (2,146) | 0 |
Deferred income | (179) | (2,070) |
Leased assets | (24,996) | (17,985) |
Leased assets | (3,068) | (1,777) |
Gross deferred tax liabilities | (35,285) | (26,410) |
Net deferred tax assets | 18,884 | 18,737 |
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Income tax expense at federal tax rate | 20,568 | 14,082 | 19,303
Change in tax rate resulting from: |  |  |
State income taxes net of federal benefits | 5,000 | 2,461 | 2,014
162(m) disallowance | $ 2,777 | $ 0 | $ 0
Effective Income Tax Rate Reconciliation, 162(m) Disallowance | 2.80% | 0.00% | 0.00%
Tax exempt income | $ (2,714) | $ (6,968) | $ (9,991)
Nondeductible acquisition costs | 0 | 1,295 | 0
General business credits | (27,126) | (3,948) | 0
Tax reform | 0 | 3,849 | 0
Amended Crestmark Bancorp historical tax return | 0 | (4,644) | 0
Other, net | (1,879) | (1,010) | (1,093)
Income tax (benefit) expense | $ (3,374) | $ 5,117 | $ 10,233
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Statutory federal income tax expense and rate (percent) | 21.00% | 24.50% | 35.00%
State income taxes net of federal benefits (percent) | 5.10% | 4.30% | 3.70%
Tax exempt income (percent) | (2.80%) | (12.10%) | (18.10%)
Nondeductible acquisition costs (percent) | 0.00% | 2.30% | 0.00%
General business credits (percent) | (27.70%) | (6.90%) | 0.00%
Tax Reform (percent) | 0.00% | 6.70% | 0.00%
Amended Crestmark Bancorp historical tax return (percent) | 0.00% | (8.10%) | 0.00%
Other, net (percent) | (1.80%) | (1.70%) | (2.00%)
Total income tax expense (percent) | (3.40%) | 9.00% | 18.60%
Gross deferred tax on state net operating loss carryforwards | $ 2,000 | $ 2,000 |
Operating loss carryforwards reserved | 2,000 | 1,600 |
Tax credit, investment, amount | 27,100 | 4,000 | $ 0
Reconciliation for liabilities [Abstract] |  |  |
Balance at beginning of fiscal year | 434 | 645 |
Reductions for tax positions related to prior years | (66) | (211) |
Balance at end of fiscal year | 368 | $ 434 | $ 645
Unrecognized tax benefits that, if recognized, would impact the effective rate | 291 |  |
Accrued interest related to unrecognized tax benefits | $ 77 |  |

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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