PARENT CORPORATION ONLY FINANCIAL STATEMENTS (Details) - Condensed Statements of Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 31,813us-gaap_CashAndDueFromBanks	$ 82,692us-gaap_CashAndDueFromBanks
Securities available for sale	289,532us-gaap_AvailableForSaleSecurities	323,070us-gaap_AvailableForSaleSecurities
Other assets	22,782us-gaap_OtherAssets	10,414us-gaap_OtherAssets
Total assets	3,448,572us-gaap_Assets	1,673,082us-gaap_Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Subordinated debentures	5,155us-gaap_SubordinatedDebt	5,155us-gaap_SubordinatedDebt
Stockholders’ equity	446,219us-gaap_StockholdersEquity	168,584us-gaap_StockholdersEquity
Total liabilities and stockholders’ equity	3,448,572	1,673,082
Parent Company [Member]
ASSETS
Cash and cash equivalents	274	285
Investment in subsidiaries	450,185	173,658
Securities available for sale	463	442
Other assets	2,250	271
Total assets	453,172	174,656
LIABILITIES AND STOCKHOLDERS’ EQUITY
Other liabilities	1,798	917
Subordinated debentures	5,155	5,155
Stockholders’ equity	446,219	168,584
Total liabilities and stockholders’ equity	$ 453,172	$ 174,656

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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