CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY - Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets
TOTAL ASSETS	$ 1,110,459us-gaap_Assets	$ 987,060us-gaap_Assets
Liabilities
Long-term debt	134,811us-gaap_LongTermDebt
Total Liabilities	1,001,021us-gaap_Liabilities	893,038us-gaap_Liabilities
Total Stockholders' Equity	109,438us-gaap_StockholdersEquity	94,022us-gaap_StockholdersEquity	67,549us-gaap_StockholdersEquity
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,110,459	987,060
Parent Company
Assets
Cash	5,528	362
Investment in subsidiaries	135,633	97,164
Other assets	2,334	717
TOTAL ASSETS	143,495	98,243
Liabilities
Other liabilities	533	97
Long-term debt	33,524	4,124
Total Liabilities	34,057	4,221
Total Stockholders' Equity	109,438	94,022
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 143,495	$ 98,243

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 currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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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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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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