GUARANTOR - Condensed Cash Flow (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OPERATING ACTIVITIES:
Net Cash Provided By Used In Operating Activities	$ 65,296	$ 63,349	$ 69,702
INVESTING ACTIVITIES:
Additions to property and equipment	(8,408)	(4,325)	(3,688)
Deferred charges and other assets	(800)	(475)	(857)
Proceeds (distributions) from investments in subsidiaries
Net cash provided by (used in) investing activities	(7,055)	(4,583)	(29,359)
FINANCING ACTIVITIES:
Payments of long-term debt	(53,000)us-gaap_RepaymentsOfSeniorDebt	(86,023)us-gaap_RepaymentsOfSeniorDebt	(68,529)us-gaap_RepaymentsOfSeniorDebt
Retirement of senior subordinated notes	0	0	0
Purchase of the Company's common stock	0	0	0
Proceeds from issuance of employee stock plan	0	0	0
Proceeds from the exercise of stock options	82	245	135
Payment of dividend equivalents on vested restricted stock units	0us-gaap_DividendsShareBasedCompensation	0us-gaap_DividendsShareBasedCompensation	(43)us-gaap_DividendsShareBasedCompensation
Realization of tax benefits for payment of dividend equivalents	0	0	0
Net Cash Provided By Used In Financing Activities	(38,932)	(55,458)	(35,045)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	19,309	3,308	5,298
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	12,231	8,923	3,625
CASH AND CASH EQUIVALENTS, END OF PERIOD	31,540	12,231	8,923
Parent Company [Member]
OPERATING ACTIVITIES:
Net Cash Provided By Used In Operating Activities	(21,652)	(18,167)	(16,074)
INVESTING ACTIVITIES:
Additions to property and equipment	(213)	(146)	(500)
Deferred charges and other assets	(481)	(468)	(842)
Proceeds (distributions) from investments in subsidiaries	23,610	20,208	18,712
Net cash provided by (used in) investing activities	22,916	19,594	17,370
FINANCING ACTIVITIES:
Proceeds from the exercise of stock options	(82)	(245)	(135)
Purchase of vested restricted stock units	(1,514)	(1,640)	(1,367)
Payment of dividend equivalents on vested restricted stock units	0	0	(43)
Net Cash Provided By Used In Financing Activities	(1,432)	(1,395)	(1,275)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(168)	32	21
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	301	269	248
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 133	$ 301	$ 269

Purchase of vested restricted stock units.

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The cash inflow or distribution associated with consolidated subsidiary or an entity that is related to it but not strictly controlled.

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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. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units.

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The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The cash outflow to reacquire common stock during the period.

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The cash outflow for acquisition of or capital improvements on other tangible or intangible assets not otherwise defined in the taxonomy.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards other than stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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