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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Millions | Feb. 08, 2016 | Apr. 08, 2015
--- | --- | ---
Underwritten Public Offering |  |
Subsequent Event [Line Items] |  |
Depository shares issued |  | 4,600,000
Offering price per share |  | $ 25
Subsequent Event | Series E Preferred Stock |  |
Subsequent Event [Line Items] |  |
Depository shares to preferred stock ratio | 2.50% |
Non cumulative preferred stock, dividend rate | 7.00% |
Issuance of stock shares | 125,000 |
Preferred stock, liquidation preference per share (in dollars per share) | $ 1,000 |
Offering price per share | $ 25.00 |
Subsequent Event | Underwritten Public Offering |  |
Subsequent Event [Line Items] |  |
Depository shares issued | 5,000,000 |
Offering price per share | $ 25 |
Subsequent Event | Underwritten Public Offering | Series E Preferred Stock |  |
Subsequent Event [Line Items] |  |
Depository shares to preferred stock ratio | 2.50% |
Preferred stock, liquidation preference per share (in dollars per share) | $ 1,000 |
Proceeds from issuance of depositary shares | $ 121.1 |
Subsequent Event | Over Allotment Option | Series E Preferred Stock |  |
Subsequent Event [Line Items] |  |
Depository shares issued | 750,000 |
Proceeds from issuance of depositary shares | $ 18.2 |
Underwriters option period | 30 days |

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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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