INCOME TAXES - Additional Information (Details) $ in Millions	Sep. 30, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	$ 37.1
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	427.0
Net operating loss carryforwards subject to annual limitation	10.8
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 467.1