Merger - Summary of Shares of Common Stock Issued and Outstanding in Business Combination (Details)	Jul. 15, 2021 shares
Business Acquisition [Line Items]
Owlet equityholders	90,824,573	[1]
Sponsor & related parties	5,750,000	[2]
Owlet Common Stock at Closing	112,783,800
Owlet equityholders	81.00%	[1]
Sponsor & related parties	5.00%	[2]
Owlet Common Stock at Closing	100.00%
Sandbridge [Member]
Business Acquisition [Line Items]
Sandbridge's public stockholders	3,241,227
Sandbridge's public stockholders	3.00%
PIPE Investors [Member]
Business Acquisition [Line Items]
PIPE investors	12,968,000
PIPE investors	11.00%

[1] Excludes 3,150,463 shares of Common Stock underlying outstanding Owlet option awards.

[2] Includes 2,807,500 Earnout Shares which were outstanding but remained subject to price-based performance vesting terms as described in Note 10