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INVESTMENTS - Summary of Investments in Nonconsolidated Affiliates and Available-for-sale Securities (Details) - USD ($) $ in Thousands | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 01, 2019 | Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020
Available-for-Sale Debt Securities |  |  |  |
Beginning balance |  |  | $ 31,456 | $ 33,128
Purchases of investments |  |  | 7,263 | 9,595
Disposals |  |  | (426) | (194)
Gain (loss) on investments, net |  |  | (62) | (7,116)
Other |  |  | (4,363) | (3,957)
Ending balance |  | $ 33,128 | 33,868 | 31,456
Equity Method Investments |  |  |  |
Beginning balance |  |  | 11,065 | 10,952
Purchases of investments |  |  | 690 | 1,523
Equity in loss | $ (66) | (279) | (1,138) | (379)
Disposals |  |  |  | (1,000)
Distributions received |  |  |  | (31)
Ending balance |  | 10,952 | 10,617 | 11,065
Other Investments |  |  |  |
Beginning balance |  |  | 26,624 | 16,989
Purchases of investments |  |  | 15,368 | 7,629
Disposals |  |  | (1,172) |
Gain (loss) on investments, net |  |  | (8,680) | (959)
Other |  |  | 5,070 | 2,965
Ending balance |  | 16,989 | 37,210 | 26,624
Marketable Equity Securities |  |  |  |
Beginning balance |  |  | 1,429 | 2,700
Gain (loss) on investments, net |  |  | 2,801 | (1,271)
Ending balance |  | 2,700 | 4,230 | 1,429
Total Investments |  |  |  |
Beginning balance |  |  | 70,574 | 63,769
Purchases of investments |  |  | 23,321 | 18,747
Disposals |  |  | (1,598) | (1,194)
Gain (loss) on investments, net |  |  | (5,941) | (9,346)
Other |  |  | 707 | (992)
Ending balance |  | $ 63,769 | $ 85,925 | $ 70,574

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