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INCOME AND FRANCHISE TAXES (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Deferred tax assets |  |
Allowance for loan and lease losses | $ 10,622 | $ 19,926
Accrued expenses | 294 | 644
Employee retirement benefits | 2,784 | 6,138
Federal and state tax credit carryforwards | 12,473 | 33,803
Federal and state net operating loss carryforwards | 3,306 | 2,732
Restricted stock and non-qualified stock options | 661 | 412
Premises and equipment | 3,633 | 4,106
Other | 3,169 | 5,060
Total deferred tax assets | 36,942 | 72,821
Deferred tax liabilities |  |
Intangible assets | 4,785 | 8,138
Other | 2,343 | 3,006
Total deferred tax liabilities | 7,128 | 11,144
Less: Deferred tax valuation allowance | 3,321 | 2,751
Net deferred tax assets | 26,493 | 58,926
Net change in the total valuation allowance | (600) | 100
Federal |  |
Income Tax Contingency [Line Items] |  |
Income tax receivable, current | 6,700 |
State |  |
Income Tax Contingency [Line Items] |  |
Income tax receivable, current | $ 6 | $ 4

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