INCOME AND FRANCHISE TAXES (Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current
Federal	$ 805	$ 1,128	$ 0
State	(4)	(119)	(93)
Total	801	1,009	(93)
Deferred
Federal	19,842	20,061	18,710
State	4,585	6,018	1,772
Total	24,427	26,079	20,482
Total
Federal	20,647	21,189	18,710
State	4,581	5,899	1,679
Total	$ 25,228	27,088	20,389
Reconciliation between the income tax benefit and the expected tax benefit
U.S. Federal corporate tax rate	35.00%
Computed expected tax expense (benefit)	$ 25,260	25,535	21,295
Increase (decrease) in taxes resulting from:
Tax-exempt interest	(1,410)	(1,420)	(1,412)
Other tax-exempt income	(940)	(712)	(1,023)
Low-income housing and energy tax credits	(899)	(946)	(1,540)
State income taxes, net of Federal income tax effect, excluding impact of deferred tax valuation allowance	2,981	3,834	2,569
Change in the beginning-of-the-year balance of the valuation allowance for deferred tax assets allocated to income tax expense	(52)	(44)	(158)
Other	288	841	658
Total	$ 25,228	$ 27,088	$ 20,389

No definition available.

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- Definition

The portion of the difference between total income tax expense or benefit as reported in the income statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to interest income that is exempt from income taxes under enacted tax laws.

+ References

No definition available.