SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Performance Obligations (Details) (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Accounting Policies [Abstract]
Remaining performance obligation	$ 169.2
Timing of satisfaction	P2Y0M14D

Description of effect, from relationship that timing of satisfaction of performance obligation has on timing of payment, on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time and on obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130550-203045

Name:	us-gaap_ContractWithCustomerTimingOfSatisfactionOfPerformanceObligationAndPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration