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STOCKHOLDERS' EQUITY - Awards granted (Details)					1 Months Ended	12 Months Ended
STOCKHOLDERS' EQUITY - Awards granted (Details)	Feb. 23, 2021 tranche shares	Oct. 30, 2020 $ / shares	Mar. 05, 2020 USD ($) shares	Feb. 26, 2020 USD ($) shares	Jan. 31, 2021 $ / shares	Dec. 31, 2022 USD ($) tranche shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 $ / shares shares	Dec. 31, 2018 shares	Nov. 03, 2021 USD ($)
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $						$ 22,500,000	$ 43,100,000	$ 25,400,000
Conversion of share based payment awards into preferred stock						1
Conversion ratio of share based payment awards into common stock						1
Requisite service period		3 years
Number of days for settlement						30 days
Cumulative Adjusted EBITDA Target
STOCKHOLDERS' EQUITY
Percentage of performance targets and vesting level						0.00%
Cumulative Adjusted Free Cash Flow Target
STOCKHOLDERS' EQUITY
Percentage of performance targets and vesting level							79.00%
Tranche 5 \| Minimum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares		$ 4
Tranche 5 \| Maximum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares		28
Tranche 6 \| Minimum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares		8
Tranche 6 \| Maximum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares		$ 32
Board of Directors
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $						$ 800,000	$ 900,000	500,000
2022 Performance share award
STOCKHOLDERS' EQUITY
Stock value \| $						$ 4,500,000
2021 Performance share award
STOCKHOLDERS' EQUITY
Granted (in shares)						1,757,080
Stock value \| $						$ 17,300,000
Percentage of performance target						100.00%
2020 Performance share award
STOCKHOLDERS' EQUITY
Granted (in shares)						859,366
Stock value \| $						$ 8,500,000
Percentage of performance target						100.00%
Special Performance Stock Unit
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $							5,100,000	14,000,000.0
Grant date fair value \| $			$ 12,200,000	$ 12,200,000
Requisite service period						6 years 4 months 24 days
Special Performance Stock Unit \| Tranche 5
STOCKHOLDERS' EQUITY
Weighted Average Stock Price (in dollars per share) \| $ / shares					$ 4
Special Performance Stock Unit \| Tranche 6
STOCKHOLDERS' EQUITY
Weighted Average Stock Price (in dollars per share) \| $ / shares					$ 8
Restricted stock unit
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $						$ 13,300,000	$ 12,600,000	$ 9,700,000
Restricted stock unit \| Members of management and executive officers
STOCKHOLDERS' EQUITY
Number of shares to be received for each unit						1
Performance Vesting
STOCKHOLDERS' EQUITY
Percentage of performance targets and vesting level		90.00%
Performance Vesting \| Members of management and executive officers
STOCKHOLDERS' EQUITY
Granted (in shares)	5,375,626					1,394,270
Number of tranches \| tranche	3					3
Period of cumulative adjusted EBITDA, diluted earnings per share, and net profit results to meet the performance target condition							3 years
Number of separate service period \| $											3
Performance Vesting \| Members of management and executive officers \| Minimum
STOCKHOLDERS' EQUITY
PSUs vesting as a percentage of performance target						80.00%	80.00%
Percentage of performance target						50.00%	50.00%	30.00%
Performance Vesting \| Members of management and executive officers \| Maximum
STOCKHOLDERS' EQUITY
PSUs vesting as a percentage of performance target						120.00%	120.00%
Percentage of performance target						200.00%	200.00%	200.00%
Performance stock unit expense
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $						$ 8,400,000	$ 24,500,000	$ 1,200,000
Volume weighted average stock price threshold trailing days					20 days
2013 Equity Incentive Plan \| RSU and PSU Units \| Minimum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares							$ 1.18	$ 1.18	$ 1.18
2013 Equity Incentive Plan \| RSU and PSU Units \| Maximum
STOCKHOLDERS' EQUITY
Price per share (in dollars per share) \| $ / shares							$ 9.84	$ 9.84	$ 9.84
2013 Equity Incentive Plan \| Performance Vesting \| Members of management and executive officers
STOCKHOLDERS' EQUITY
Percentage of performance target	100.00%
Awards to be granted upon achieving 100% of performance target (in shares)						1,394,270
Awards to be granted if target not achieved (in shares)						0
Members of management and executive officers \| Performance Vesting
STOCKHOLDERS' EQUITY
Period of cumulative adjusted EBITDA, diluted earnings per share, and net profit results to meet the performance target condition								3 years
Members of management and executive officers \| Performance Vesting
STOCKHOLDERS' EQUITY
Granted (in shares)								2,872,594	1,460,334	1,307,338
Awards to be granted upon achieving 100% of performance target (in shares)							5,375,626
Awards to be granted if target not achieved (in shares)							0
Period of cumulative adjusted EBITDA, diluted earnings per share, and net profit results to meet the performance target condition								3 years	3 years	3 years
Executive officers \| 2013 Equity Incentive Plan \| Performance Stock Unit Transition Award
STOCKHOLDERS' EQUITY
Granted (in shares)									600,000
Executive officers \| 2013 Equity Incentive Plan \| Special Performance Stock Unit
STOCKHOLDERS' EQUITY
Granted (in shares)			7,140,000	7,140,000
Requisite service period						3 years
Vesting period (in years)						10 years
Number of days for settlement						20 days
Executive officers \| 2013 Equity Incentive Plan \| 2019 RSU executive
STOCKHOLDERS' EQUITY
Granted (in shares)									400,000
Vesting period (in years)						3 years
Number of days for settlement						30 days
Members of management \| 2013 Equity Incentive Plan \| Restricted stock unit
STOCKHOLDERS' EQUITY
Granted (in shares)						1,394,270	5,375,626	3,022,594
Vesting period (in years)						3 years	3 years	3 years
Vesting rights percentage						33.00%	33.00%	33.00%
Number of days from the termination of service for settlement of fully vested units						30 days
Common Stock \| Board of Directors
STOCKHOLDERS' EQUITY
Number of shares issued						41,650	124,054	77,090
AMC Preferred Equity Units \| Restricted stock unit \| Members of management and executive officers
STOCKHOLDERS' EQUITY
Number of shares to be received for each unit						1
AMC Preferred Equity Units \| Board of Directors
STOCKHOLDERS' EQUITY
Number of shares issued						41,650	124,054	77,090