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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SOFTWARE COSTS (Details) $ in Millions | Jun. 30, 2019 USD ($)
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Operation and maintenance |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |
Capitalized software costs | $ 3.7
Other noncurrent assets |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |
Capitalized software costs | $ 1.7

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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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Period Type: | instant

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- Details
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