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OTHER EMPLOYEE BENEFITS
12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
OTHER EMPLOYEE BENEFITS
OTHER EMPLOYEE BENEFITS
The Company sponsors a 401(k) savings plan. Under the plan, employees may make contributions which are eligible for a discretionary percentage match as defined in the plan and determined by the board of directors. The Company recognized $1.3 million, $1.5 million and $1.7 million of related compensation expense for the years ended December 31, 2017, 2016 and 2015, respectively.