Change in fair value of repayment feature.

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Component of additional paid in capital and debt discount.

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Convertible notes payable exchange for cash.

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Debt instrument cap interest rate.

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Debt instrument floor interest rate.

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Debt instrument, premium of prepayment percentage.

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Debt instrument traditional conversion price.

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Fair value of charge to capital account.

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Fair value of repayment feature.

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Minimum amount of cash balance maintained with respect to term loan covenant.

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Minimum percentage of voting interests or equity value acquired by person other than existing stockholders.

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Number of separate components.

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Percentage of equity financing share price.

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Probability percentage for prepayment.

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Redemption feature of conversion price.

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Related party contributed balance current.

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Related party contributed balance current another shareholders.

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Related party contributed balance current shareholders.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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The price per share of the conversion feature embedded in the debt instrument.

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Increase for accrued, but unpaid interest on the debt instrument for the period.

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The average effective interest rate during the reporting period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of debt discount to be amortized after one year or the normal operating cycle, if longer.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Period Type:

Debt - Additional Information (Details)		1 Months Ended	3 Months Ended		12 Months Ended
Debt - Additional Information (Details)	Feb. 28, 2019 USD ($)	Jan. 31, 2021 USD ($) Component $ / shares	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Oct. 06, 2021 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt				$ (2,361,000)
Component of carrying value of paid-in-kind interest			$ 5,879,000	4,230,000
Interest expense			7,530,000	7,655,000
2020 Convertible Notes Payable
Debt Instrument [Line Items]
Debt instrument, interest Rate					3.00%
Convertible notes payable exchange for cash					$ 31,243,000
Related party contributed balance					$ 2,349,000
Debt instrument maturity date					Jun. 04, 2021
2020 Convertible Notes Payable \| Series E Preferred Stock
Debt Instrument [Line Items]
Interest expense				971,000
2021 Convertible Notes Payable
Debt Instrument [Line Items]
Debt instrument, interest Rate		3.00%
Loss on extinguishment of debt				2,361,000
Amortization of debt discount			0	1,750,000
Convertible notes payable exchange for cash		$ 11,000,000
Related party contributed balance current		$ 11,000,000
Debt instrument maturity date		Oct. 29, 2021
Percentage of equity financing share price		20.00%
Conversion price per share \| $ / shares		$ 1.57
Component of APIC and debt discount		$ 2,791,000
Number of separate components \| Component		2
Redemption feature of conversion price \| $ / shares		$ 1.57
Debt instrument traditional conversion price \| $ / shares		$ 1.57
Related party contributed balance current shareholders		$ 3,000,000
Related party contributed balance current another shareholders		$ 5,000,000
Component of carrying value of paid-in-kind interest			$ 0	246,000
Fair value of charge to capital account				2,791,000
2021 Convertible Notes Payable \| Convertible Preferred Stock Subject to Mandatory Redemption
Debt Instrument [Line Items]
Percentage of equity financing share price		20.00%
Conversion price per share \| $ / shares		$ 1.57
Number of separate components \| Component		2
Redemption feature of conversion price \| $ / shares		$ 1.57
Debt instrument traditional conversion price \| $ / shares		$ 1.57
Starry Credit Agreement
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 50,000,000
Debt instrument, interest Rate			11.00%			11.00%
Debt instrument, accrued Interest			$ 5,809,000	3,985,000
Debt instrument, premium of prepayment percentage			5.00%
Minimum percentage of voting or equity value	50.00%
Minimum amount of cash balance maintained with respect to term loan covenant.	$ 15,000,000
Increase of interest rate	2.00%
Fair value of repayment feature			$ 11,464,000			$ 10,412,000
Probability percentage for prepayment			100.00%
Change in fair value of repayment feature			$ 1,052,000	2,898,000
Effective interest rate			16.90%		14.20%	11.20%		19.10%
Amortization of debt discount			$ 1,626,000	$ 667,000
Unamortized debt discount			$ 17,217,000			$ 17,019,000
Starry Credit Agreement \| Tranche One
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 27,500,000
Starry Credit Agreement \| Tranche Two
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	22,500,000
Starry Credit Agreement \| Tranche A Loan
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 27,500,000
Starry Credit Agreement \| Delayed Draw Tranche A Loan
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity									$ 22,500,000
Starry Credit Agreement \| Tranche B Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								$ 75,000,000
Starry Credit Agreement \| Tranche C Loan
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity							$ 40,000,000
Starry Credit Agreement \| Delayed Draw Tranche C Loan
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity							$ 10,000,000
Starry Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Debt instrument, floor rate	2.00%
Debt instrument applicable margin	9.00%
Debt instrument, cap rate	13.25%