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- Definition

Share based compensation - Unrecognized deferred compensation cost

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2021	Dec. 31, 2018	Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 98,296	$ 125,087	$ 105,538
Share based compensation - Unrecognized deferred compensation cost	304,984
Grant date fair value of award units	$ 28,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 6.42	$ 7.82	$ 7.93
Carry Unit Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value		$ 3.41	$ 2.35		$ 1.14
Restricted Stock Units \| Carry Unit Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 804	$ 10,036	$ 54,614
Share based compensation - Unrecognized deferred compensation cost	$ 0
Restricted Stock Units \| Carry Unit Plan \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	50.00%
Restricted Stock Units \| 2017 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 1,120	2,276	6,460
Share based compensation - Unrecognized deferred compensation cost	$ 106,877
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	6,621,639
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 107,469
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 16.23
Stock options \| 2017 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 87,697	$ 98,380	$ 44,464
Share based compensation - Unrecognized deferred compensation cost	$ 153,457
Awards authorized (in shares)				54,879,291		19,879,291
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	18,192,257	26,569,892	3,677,076
Stock options \| 2017 LTIP \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	33.00%
Stock options \| 2017 LTIP 4 Year Award \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	50.00%
Stock options \| 2017 LTIP 3 Year Award \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	33.00%
Performance Based Vesting \| 2017 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 8,675	$ 14,395	$ 0
Share based compensation - Unrecognized deferred compensation cost	$ 44,650
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0	0
Class A-1 management incentive units \| 2021 Lightpath Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards authorized (in shares)	650,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	433,225
Class A-2 management incentive units \| 2021 Lightpath Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards authorized (in shares)	350,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	211,715
Performance Units [Member] \| 2017 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	6,361,894
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 10.65