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Debt - Term Loan (Details) - USD ($) $ in Thousands						12 Months Ended
	May 12, 2020	Mar. 31, 2020	Mar. 06, 2020	Aug. 09, 2019	Aug. 23, 2017	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Payments repurchase of preferred stock						$ 2,354	$ 0
Series E preferred shares
Debt Instrument [Line Items]
Number of shares sold			25,000	10,000
Stock repurchased (in shares)	2,330
Payments repurchase of preferred stock	$ 2,400
South Ocean Funding LLC | Series E preferred shares
Debt Instrument [Line Items]
Number of shares sold		2,330
Secured debt | Term loan
Debt Instrument [Line Items]
Debt aggregate face amount					$ 48,000
Proceeds from term loans					46,900
Proceeds from issuance of debt, portion funded in cash					35,000
Debt issuance costs					500
Debt discount on term loan					$ 4,000
Repayment of outstanding principal	47,500
Repayment of accrued interest	500
Prepayment fee	$ 1,400
Interest rate base minimum (percent)					1.00%
Effective interest rate						15.19%
Secured debt | Term loan | LIBOR
Debt Instrument [Line Items]
Applicable margin on interest rate (percent)					7.625%
Convertible debt | Inseego Notes
Debt Instrument [Line Items]
Proceeds from issuance of debt, portion funded in repurchase and cancellation of debt					$ 11,900
Extinguishment of debt					$ 14,900

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