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Retirement Savings Plan	12 Months Ended
Retirement Savings Plan	Dec. 31, 2017
Retirement Benefits [Abstract]
RETIREMENT SAVINGS PLAN	RETIREMENT SAVINGS PLAN The Company maintains a defined contribution plan (the “Retirement Savings Plan”) pursuant to Section 401 of the Internal Revenue Code (the “Code”) which covers active regular employees. Employees are eligible under the Retirement Savings Plan immediately upon hire, and pre-tax contributions are allowed up to the limits set by the Code. The Company has a match program of up to 3% of an employee’s eligible pre-tax Retirement Savings Plan contributions up to certain Code limits. Employees vest in Company contributions over a three-year period. The Company may change this percentage at its discretion, and, in addition, the Company could decide to make discretionary contributions in the future. The Company contributed $764,000, $682,000, and $639,000 to the Retirement Savings Plan for the 2017, 2016, and 2015 plan years, respectively.