INCOME AND FRANCHISE TAXES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Reconciliation between the income tax benefit and the expected tax benefit
U.S. Federal corporate tax rate (as a percent)	35.00%	35.00%	35.00%
Computed expected tax expense (benefit)	$ 16,598	$ 12,802	$ (87,834)
Increase (decrease) in taxes resulting from:
Goodwill impairment (not deductible for tax purposes)			35,941
Tax-exempt interest	(820)	(273)	(420)
Other tax-exempt income	(976)	(1,441)	(1,669)
Low-income housing and energy tax credits	(1,607)	(1,678)	(8,023)
State income taxes, net of Federal income tax effect, excluding impact of deferred tax valuation allowance	2,540	546	(8,724)
Change in the beginning-of-the-year balance of the valuation allowance for deferred tax assets allocated to income tax expense	(15,862)	(9,870)	70,506
Other	$ 127	$ (86)	$ 223

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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.

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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 other income that is exempt from income taxes under enacted tax laws.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement 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 changes in the valuation allowance for deferred tax assets in the period.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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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 nondeductible impairment losses under enacted tax laws.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting 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, that is attributable to all other items not otherwise listed in the existing taxonomy.

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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, that is attributable to state and local income tax expense or benefit.

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The sum of the differences 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 tax credits.

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