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REDEEMABLE PREFERRED STOCK - Series L Preferred Stock (Details) - Series L Preferred Stock, $0.001 Par Value - USD ($) $ / shares in Units, $ in Millions | Oct. 22, 2019 | Nov. 21, 2017 | Dec. 31, 2021 | Dec. 31, 2020
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Class of Stock [Line Items] |  |  |  |
Preferred stock, shares issued (in shares) |  | 8,080,740 | 8,080,740 | 8,080,740
Preferred stock, liquidation preference per share (in usd per share) |  |  | $ 28.37 | $ 28.37
Gross proceeds from sale of preferred stock |  | $ 229.3 |  |
Offering costs |  | 15.9 |  |
Discount on shares issued |  | 2.9 |  |
Offering costs, non-issuance specific |  | $ 2.5 |  |
Minimum fixed charge coverage ratio |  | 125.00% |  |
Tender Offer |  |  |  |
Class of Stock [Line Items] |  |  |  |
Authorized shares for repurchase (in shares) | 2,693,580 |  |  |
Authorized shares for repurchase, percentage of share outstanding | 33.00% |  |  |
Purchase price (in usd per share) | $ 29.12 |  |  |
Registration Statement |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, liquidation preference per share (in usd per share) |  | $ 28.37 |  |

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