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CAPITAL STOCK - Other Equity Arrangements, Additional Information (Details) $ / shares in Units, $ in Millions |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 15, 2023 $ / shares | Jun. 03, 2021 shares | Jun. 09, 2020 $ / shares | May 15, 2020 $ / shares | Nov. 07, 2019 | Nov. 30, 2022 USD ($) $ / shares shares | May 31, 2020 USD ($) $ / shares shares | Feb. 29, 2020 $ / shares shares | Nov. 30, 2019 USD ($) $ / shares shares | Mar. 31, 2018 USD ($) $ / shares shares | May 31, 2017 USD ($) financial_institution $ / shares shares | Jul. 03, 2021 $ / shares shares | Dec. 31, 2022 USD ($) age $ / shares shares | May 23, 2023 $ / shares | Jan. 01, 2022 USD ($) shares | Apr. 28, 2021 $ / shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 750,000 |  |  |  | 750,000 |
Preferred stock, value, issued | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0 |  | $ 620.3 |
Purchase of call options | $ |  |  |  |  |  |  |  |  | $ 19.2 |  | $ 25.1 |  | $ 19.2 |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  | $ 1,000 |  |  |  |  | $ 1,000 |  | $ 1,000 |  |  |  |  |
Conversion of stock (in shares) | shares |  |  |  |  |  | 4,723,500 | 5,463,750 |  |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 131.32 |  |  |
Proceeds from issuance or sale of equity | $ |  |  |  |  |  | $ 750.0 |  |  |  |  |  |  |  |  |  |
Derivative, forward interest rate |  |  |  |  |  |  | 5.375% |  |  |  |  |  |  |  |  |
Forward contract indexed to issuer's equity, settlement alternatives, cash, at fair value | $ |  |  |  |  |  |  | $ 117.1 |  | $ 114.2 |  |  |  |  |  |  |
Accretion expense | $ |  |  |  |  |  |  | $ 1.3 |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, number of financial institutions | age |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |
Option indexed to issuer's equity (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 3,900,000 |  |  |
Option indexed to issuer's equity, term |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |
Preferred stock conversion rate number of common stock shares (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 6.1627 |  | 5.2263 |  |  |
Upper strike percentage against closing price |  |  |  |  | 30.00% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, convertible, beneficial conversion feature | $ |  |  |  |  |  |  |  |  |  |  | $ 5.4 |  |  |  |  |
Preferred stock, dividend rate |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate (in dollars per share) |  |  |  | $ 50.00 |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion (in shares) | shares |  |  |  |  |  |  | 0.7285 |  |  |  |  |  |  |  |  |
Preferred stock, convertible, conversion price (in dollars per share) |  |  |  |  |  |  | $ 137.26 |  |  |  |  |  |  |  |  |
Common stock, forward purchase contract |  |  |  |  |  |  | 3 years |  | 3 years |  | 3 years |  |  |  |  |
Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |
Preferred stock, dividend rate | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate (in dollars per share) | $ 100.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Call Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Call option, average price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.90 |  |  |
Equity Units And Capped Call Transactions Commenced In 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity unit proceeds | $ |  |  |  |  |  |  |  |  | $ 734.5 |  |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  |  |  |  |  |  | $ 1,000 |  | $ 1,000 |  |  |  |  |
Shares issued, price per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 100 |  | $ 100 |  |  |  |  |
Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity unit proceeds | $ |  |  |  |  |  |  |  |  |  |  | $ 727.5 |  |  |  |  |
Preferred stock, shares issued (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 750,000 |  |  |  |  |
Call option, average price (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 5.43 |  |  |  |  |
Option indexed to issuer's equity (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 4,600,000 |  |  |  |  |
Adjustments to additional paid in capital, other | $ |  |  |  |  |  |  |  |  |  |  | $ 25.1 |  |  |  |  |
Equity Units And Capped Call Transactions Commenced in 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity (in shares) | shares |  |  |  |  |  |  |  |  |  | 3,200,000 |  |  |  |  |  |
Option indexed to issuer's equity, term |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Option indexed to issuer's equity, settlement alternatives, shares received (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 344,004 |  |  |  |
Option indexed to issuer's equity, settlement alternatives, average reference price (in dollars per share) |  |  |  |  |  |  |  | $ 162.26 |  |  |  |  |  |  |  |
2019 Equity Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, forward interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 5.25% |  |  |
Accretion expense | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.3 |  |  |
2019 Equity Units | Equity Units And Capped Call Transactions Commenced In 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward contract indexed to issuers equity, contract |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 191.34 |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 207.29 |  |  |
Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) | shares |  |  |  |  |  | 750,000 |  |  | 750,000 |  |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Conversion of stock (in shares) | shares |  |  |  |  |  | 4,723,500 |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate |  |  |  |  |  | 7.50% |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate (in dollars per share) |  |  |  |  |  | $ 75.00 |  |  |  |  |  |  |  |  |  |
Series D Preferred Stock | Equity Units And Capped Call Transactions Commenced In 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Series D Preferred Stock | Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock (in shares) | shares |  |  |  |  |  | 4,723,500 |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, term |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Series D Preferred Stock | 2019 Equity Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, value, issued | $ |  |  |  |  |  |  |  |  | $ 620.3 |  |  |  |  |  |  |
Series D Preferred Stock | 2019 Equity Units | Equity Units And Capped Call Transactions Commenced In 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, quarterly payments | $ |  |  |  |  |  |  |  |  | 114.2 |  |  |  |  |  |  |
Series C Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) | shares |  |  |  |  |  |  | 750,000 |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  | $ 1,000
Conversion of stock (in shares) | shares |  |  |  |  |  |  | 5,463,750 |  |  |  |  |  |  |  |  |
Preferred stock conversion rate number of common stock shares (in shares) | shares |  | 6.7548 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate (in dollars per share) |  |  |  |  |  |  | $ 50.00 |  |  |  |  |  |  |  |  |
Series C Preferred Stock | Equity Units And Capped Call Transactions Commenced In 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividend rate |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |
Series C Preferred Stock | Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  |  |  |  |  | $ 148.47 |  |  |  |  |  |  |  |  |
Options indexed to issuer's equity, number of counterparties | financial_institution |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Option indexed to issuer's equity, strike price as a percentage of closing stock price |  |  |  |  |  |  |  |  |  |  | 30.00% |  |  |  |  |
Series C Preferred Stock | Equity Units And Capped Call Transactions Commenced in 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price as a percentage of closing stock price |  |  | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred Stock | 2017 Equity Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, value, issued | $ |  |  |  |  |  |  |  |  | 605.0 |  |  |  |  |  |  |
Series C Preferred Stock | 2017 Equity Units | Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, quarterly payments | $ |  |  |  |  |  |  |  |  | $ 117.1 |  |  |  |  |  |  |
Series C Preferred Stock | Minimum | Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 162.27 |  |  |  |  |
Series C Preferred Stock | Minimum | Equity Units And Capped Call Transactions Commenced in 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  | $ 148.34 |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred Stock | Maximum | Equity Units And Capped Call Transactions Commenced in 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 179.53 |  |  |  |  |
Series C Preferred Stock | Maximum | Equity Units And Capped Call Transactions Commenced in 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option indexed to issuer's equity, strike price (in dollars per share) |  |  | $ 165.00 |  |  |  |  |  |  |  |  | $ 209.80 |  |  |  |
Common Stock | Equity Units And Capped Call Transactions Commenced in 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of call options | $ |  |  |  |  |  |  |  |  |  | $ 57.3 |  |  |  |  |  |
Call option, average price (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 17.96 |  |  |  |  |  |
Option indexed to issuer's equity (in shares) | shares |  |  |  |  |  |  |  | 3,200,000 |  |  |  |  |  |  |  |
Option indexed to issuer's equity, settlement alternatives, shares, at fair value (in shares) | shares |  |  |  |  |  |  |  | 600,000 |  |  |  |  |  |  |  |
Option indexed to issuer's equity, settlement alternatives, shares received (in shares) | shares |  |  |  |  |  |  |  | 61,767 |  |  |  |  |  |  |  |

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