CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Statement [Abstract]          
Revenue $ 46,925 $ 34,565 $ 140,664 $ 103,968 $ 90,452
Cost of revenue 14,152 11,192 46,700 34,834 30,830
Gross Profit 32,773 23,373 93,964 69,134 59,622
Sales and marketing expenses 22,946 14,582 65,441 43,838 37,967
General and administrative expenses 30,509 13,245 121,968 43,231 42,192
Write-off of other intangible assets     3,009 0 0
Operating Loss (20,682) (4,454) (96,454) (17,935) (20,537)
Unrealized loss (gain) on derivatives 11,042 0 (71,041) 0 0
Interest (income) expense, net (7) 1,237 3,791 4,904 2,101
Other expense (income), net 17 35 8,552 1,824 (199)
Gain on extinguishment of debt, net     (7,117) 0 0
Loss before Income Taxes (31,734) (5,726) (30,639) (24,663) (22,439)
Income tax expense 13 0 40 0 0
Net Loss (31,747) (5,726) (30,679) (24,663) (22,439)
Net loss attributable to legacy Nerdy holders prior to the reverse recapitalization 0 (5,726) (23,546) (24,663) (22,439)
Net loss attributable to noncontrolling interests (14,902)   (3,354) 0 0
Net Loss Attributable to Class A Common Stockholders $ (16,845) $ 0 $ (3,779) $ 0 $ 0
Loss per share of Class A Common Stock:          
Loss per share of Class A Common Stock, Basic ( in dollars per share) $ (0.21) $ 0 $ (0.05) $ 0 $ 0
Loss per share of Class A Common Stock, Diluted ( in dollars per share) $ (0.21) $ 0 $ (0.05) $ 0 $ 0
Weighted-Average Shares of Class A Common Stock Outstanding:          
Weighted-Average Shares of Class A Common Stock Outstanding, Basic (in shares) 79,619 0 79,236 0 0
Weighted-Average Shares of Class A Common Stock Outstanding, Diluted (in shares) 79,619 0 79,236 0 0