SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Standards (Narrative) (Details) - USD ($) |
Dec. 31, 2019 |
Jan. 01, 2019 |
Dec. 31, 2018 |
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| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Operating lease, liability | $ 66,052,000 | ||
| Operating lease, right-of-use asset | 54,900,000 | ||
| Accounting Standards Update 2016-02 | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Operating lease, liability | $ 53,200,000 | ||
| Operating lease, right-of-use asset | $ 48,900,000 | ||
| Accumulated Other Comprehensive Income (Loss) | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Cumulative effects from adoption of new accounting standards | $ (46,000) | ||
| Accumulated Other Comprehensive Income (Loss) | Accounting Standards Update 2016-02 | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Cumulative effects from adoption of new accounting standards | $ (1,100,000) |
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- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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