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BASIS OF PRESENTATION (Details) $ in Thousands | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) subsidiary | Jun. 30, 2021 USD ($) | Jan. 01, 2021 USD ($) | Dec. 31, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Number of wholly owned subsidiaries | subsidiary | 2 |  |  |  |
Increase in allowance for credit losses after adoption of ASU 2016-13 | $ 73,048 | [1] | $ 71,713 |  | $ 61,408
Cumulative period adjustment made to retained earnings | $ (567,518) |  |  |  | (529,005)
Impact of ASC 326 Adoption |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Increase in allowance for credit losses after adoption of ASU 2016-13 |  |  |  | $ 9,050 |
Impact of ASC 326 Adoption | ASU 2016-13 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Increase in allowance for credit losses after adoption of ASU 2016-13 |  |  |  | 9,100 | $ 9,050
As Reported Under ASC 326 | ASU 2016-13 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Cumulative period adjustment made to retained earnings |  |  |  | 7,000 |
Deferred income tax assets, net |  |  |  | $ 2,100 |
[1] | Beginning January 1, 2021 calculation is based on the current expected credit loss methodology. Prior to January 1, 2021 calculation was based on the incurred loss methodology.

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