XML 108 R93.htm IDEA: XBRL DOCUMENT
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EQUITY (Details) |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 04, 2015 shares | Apr. 01, 2015 USD ($) $ / shares shares | Apr. 07, 2014 USD ($) shares | Mar. 21, 2014 $ / shares shares | Feb. 21, 2014 USD ($) $ / shares | Feb. 20, 2014 USD ($) shares | Nov. 23, 2010 $ / shares | Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2016 USD ($) $ / shares shares | Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2014 USD ($) shares | Jan. 31, 2016 USD ($) | Jan. 31, 2015 USD ($) | May 20, 2014 USD ($)
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in fair value recorded in noninterest income |  |  |  |  |  |  |  |  | $ 2,907,000 | $ 2,428,000 | $ 3,253,000 |  |  |
Other noninterest expense |  |  |  |  |  |  |  |  | $ 17,346,000 | $ 17,342,000 | $ 18,886,000 |  |  |
For ownership change to occur, the minimum cumulative increase in the entity's ownership by "5-percent shareholders" over a rolling three-year period (as a percent) |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  |  |  |  |  |  |  |  | 796,822 | 4,122,881 | 7,045,620 |  |  |
Common stock, outstanding shares | shares |  |  |  |  |  |  |  | 31,361,452 | 30,796,243 | 31,361,452 |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |  |  |  |
Central Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings |  |  |  |  |  |  |  |  | $ 83,900,000 |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased | shares |  |  |  |  |  |  |  |  |  |  | 857,554 |  |  |
Amount authorized under the 2014 Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000,000
Repurchased amount |  |  |  |  |  |  |  |  |  |  | $ 16,500,000 |  |  |
Common Stock | Repurchase Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  | $ 125,000,000 |  |  |  |  |  |  |  |  |  |  |
Tender offer price (in dollars per share) | $ / shares |  |  |  | $ 20.20 |  |  |  |  |  |  |  |  |  |
Number of shares of common stock properly tendered and not withdrawn at or below the purchase price | shares |  |  |  | 3,369,850 |  |  |  |  |  |  |  |  |  |
Number of shares of common stock tendered through notice of guaranteed delivery at or below the purchase price | shares |  |  |  | 167,572 |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  |  | 6,188,066 | 3,405,888 |  |  |  |  |  |  |  |  |  |
Share repurchase percentage of common stock properly tendered and not withdrawn at or below the purchase price |  |  |  | 96.60% |  |  |  |  |  |  |  |  |  |
Share repurchase percentage of issued and outstanding shares of common stock prior to the completion of the tender offer and the private repurchases |  |  | 14.70% |  |  |  |  |  |  |  |  |  |  |
Common stock, outstanding shares | shares |  |  | 35,900,000 |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased | shares |  |  |  |  |  |  |  |  |  | 4,122,881 |  |  |  |
Amount authorized under the 2014 Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000,000 |
Repurchased amount |  |  |  |  |  |  |  |  |  | $ 93,300,000 |  |  |  |
Remaining amount available for repurchase |  |  |  |  |  |  |  |  | 11,800,000 |  |  |  |  |
Increase in authorized amount |  |  |  |  |  |  |  | $ 25,000,000 |  |  |  |  |  |
Common Stock | Repurchase Agreements | Lead Investors |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  |  |  |  | $ 56,200,000 |  |  |  |  |  |  |  |
Percentage of shares of common stock held by investors |  |  |  |  |  | 44.90% |  |  |  |  |  |  |  |
Common Stock | Repurchase Agreements | Carlyle |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  |  |  |  | $ 28,100,000 |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  |  |  |  |  | 1,391,089 |  |  |  |  |  |  |  |
Number of shares of common stock held by investors | shares |  |  |  |  |  | 9,463,095 |  |  |  |  |  |  |  |
Percentage of shares of common stock held by investors |  |  |  |  |  | 22.50% |  |  |  |  |  |  |  |
Common Stock | Repurchase Agreements | Anchorage |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  |  |  |  |  | 1,391,089 |  |  |  |  |  |  |  |
Number of shares of common stock held by investors | shares |  |  |  |  |  | 9,463,095 |  |  |  |  |  |  |  |
Percentage of shares of common stock held by investors |  |  |  |  |  | 22.50% |  |  |  |  |  |  |  |
Common Stock | Underwriting Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other noninterest expense |  | $ 400,000 |  |  |  |  |  |  |  |  |  |  |  |
Equity related expense |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  | $ 175,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Share Price | $ / shares |  | $ 23.01 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock | Underwriting Agreement | Carlyle |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  | 3,802,694 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock | Underwriting Agreement | Anchorage |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares | 1,500,000 | 3,802,694 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock | Underwriting Agreement | Carlyle And Anchorage |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  | 7,605,388 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock | Underwriting Agreement | Citigroup Global Markets |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  | 3,259,452 |  |  |  |  |  |  |  |  |  |  |  |
Share Price | $ / shares |  | $ 23.01 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock | Minimum | Repurchase Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tender offer price (in dollars per share) | $ / shares |  |  |  |  | $ 18.50 |  |  |  |  |  |  |  |  |
Common Stock | Maximum | Repurchase Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  |  |  | $ 68,800,000 |  |  |  |  |  |  |  |  |
Tender offer price (in dollars per share) | $ / shares |  |  |  |  | $ 21.00 |  |  |  |  |  |  |  |  |
Common Stock | Maximum | Repurchase Agreements | Anchorage |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  |  |  |  | $ 28,100,000 |  |  |  |  |  |  |  |
Junior Participating Preferred Stock, Series C | Rights |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrant (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 6.00 |  |  |  |  |  |  |
Fraction of securities callable by each warrant or right |  |  |  |  |  |  | 0.0001 |  |  |  |  |  |  |
Common Stock | Repurchase Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining amount available for repurchase |  |  |  |  |  |  |  |  | 11,800,000 |  |  |  |  |
Common Stock | 2016 Repurchase Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares repurchased or acquired through tender offer |  |  |  |  |  |  |  |  | $ 18,200,000 |  |  |  |  |
Number of shares repurchased or acquired through tender offer | shares |  |  |  |  |  |  |  |  | 796,822 |  |  |  |  |
Amount authorized under the 2014 Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  | $ 30,000,000.0 |  |

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