Share-based Compensation and Equity - Special Cash Distribution (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||||||||
---|---|---|---|---|---|---|---|---|---|
Dec. 28, 2021 |
Dec. 31, 2021 |
Dec. 03, 2021 |
Nov. 01, 2021 |
Oct. 06, 2021 |
Sep. 15, 2021 |
Aug. 12, 2021 |
Mar. 08, 2021 |
Dec. 31, 2020 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||
Common stock, par value (in dollars per share) | $ 0.004 | $ 0.004 | |||||||
Dividends paid with due bills | $ 1,270,000 | ||||||||
Dividends paid | $ 105,000 | ||||||||
Discontinued Operations, Disposed of by Sale | Walden e-Learning, LLC | |||||||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||
Amount receivable, noncurrent | $ 74,000 | ||||||||
Restricted cash held in escrow, released | $ 83,600 | ||||||||
Common Stock | |||||||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||
Dividends (in dollars per share) | $ 0.58 | $ 7.01 | |||||||
Common stock, par value (in dollars per share) | $ 0.004 | $ 0.004 | |||||||
Dividends payable on vested stock units | $ 6,932 |