v3.8.0.1

EMPLOYEE SAVINGS AND BENEFIT PLANS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Deferred Compensation Plans |  |  |
Beginning of period balance | $ 10,875 | $ 10,137 | $ 11,017
Deferred compensation assumed in Merger | 27,057 | 0 | 0
Employee compensation deferrals | 840 | 963 | 534
Employee compensation payments | (1,184) | (945) | (1,464)
Increase (decrease) in plan fair value | 3,407 | 720 | 50
End of period balance | 40,995 | 10,875 | 10,137
Company's contribution to the 401K Plan |  |  |
401(K) savings plan expense | $ 2,900 | $ 1,000 | $ 900

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