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INCOME TAXES - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Tax Contingency [Line Items] |  |  |  |
Reduction of income tax provision due to tax holidays | $ 1,900 | $ 1,300 | $ 1,000 |
Unrecognized tax benefits | 23,271 | 18,157 | $ 19,150 | $ 22,671
Expected changes in unrecognized tax benefits in next 12 months that would reduce effective tax rate | 100 |  |  |
Income Taxes Receivable | 25,900 | $ 27,800 |  |
Federal |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Tax credits expected to expire unused | 100 |  |  |
State |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Tax credits expected to expire unused | $ 8,300 |  |  |

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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(10)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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