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INCOME TAXES (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
INCOME TAXES |  |  |  |  |  |  |  |  |  |  |
Net deferred tax assets | $ 255,530,000 |  |  |  | $ 185,713,000 |  |  |  | $ 255,530,000 | $ 185,713,000 |
Tax credits generated from investments in affordable housing partnerships and other investments |  |  |  |  |  |  |  |  | 34,200,000 | 18,700,000 | 11,100,000
Tax credits generated from investments in affordable housing partnerships and other investments and other federal tax credits | 35,000,000 |  |  |  |  |  |  |  | 35,000,000 |  |
Current income tax expense (benefit): |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | 131,236,000 | 148,572,000 | (86,157,000)
State |  |  |  |  |  |  |  |  | 44,389,000 | 2,316,000 | 34,760,000
Foreign |  |  |  |  |  |  |  |  | 208,000 | 5,704,000 |
Total current income tax expense (benefit) |  |  |  |  |  |  |  |  | 175,833,000 | 156,592,000 | (51,397,000)
Deferred income tax (benefit) expense: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | (32,963,000) | (38,749,000) | 193,834,000
State |  |  |  |  |  |  |  |  | (13,677,000) | 26,099,000 | (7,706,000)
Foreign |  |  |  |  |  |  |  |  | 1,612,000 |  | 3,369,000
Total deferred income tax (benefit) expense |  |  |  |  |  |  |  |  | (45,028,000) | (12,650,000) | 189,497,000
Provision for income taxes | $ 22,782,000 | $ 35,749,000 | $ 37,855,000 | $ 34,419,000 | $ 36,300,000 | $ 34,093,000 | $ 33,837,000 | $ 39,712,000 | $ 130,805,000 | $ 143,942,000 | $ 138,100,000
Difference between the effective tax rate implicit in the consolidated financial statements and the statutory federal income tax rate |  |  |  |  |  |  |  |  |  |  |
Federal income tax provision at statutory rate (as a percent) |  |  |  |  |  |  |  |  | 35.00% | 35.00% | 35.00%
State franchise taxes, net of federal tax effect (as a percent) |  |  |  |  |  |  |  |  | 4.70% | 4.30% | 4.30%
Tax credits (as a percent) |  |  |  |  |  |  |  |  | (8.40%) | (5.30%) | (2.70%)
Other, net (as a percent) |  |  |  |  |  |  |  |  | (0.60%) | (0.20%) | (0.60%)
Effective income tax rate (as a percent) |  |  |  |  |  |  |  |  | 30.70% | 33.80% | 36.00%

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