Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 12, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options outstanding to purchase common stock		1,834,139		1,862,569
Options exercisable period		10 years
Options granted		0
Total unrecognized compensation expense related to unvested options		$ 10,300
Total unrecognized compensation expense related to unvested options, expects to recognize over estimated weighted average period		1 year 9 months 3 days
Share based compensation expense		$ 7,439	$ 1,500
Share-based Compensation Award, Tranche One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting period		4 years
Share-based Compensation Award, Tranche One | Vesting on First Anniversary
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting percentage		25.00%
Share-based Compensation Award, Tranche One | Vesting Over Succeeding 36 Months
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting period		36 months
Options vesting percentage		75.00%
Share-based Compensation Award, Tranche Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting period		3 years
Share-based Compensation Award, Tranche Two | Vesting on First Anniversary
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting percentage		33.33%
Share-based Compensation Award, Tranche Two | Vesting Over Succeeding 24 Months
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options vesting period		24 months
Options vesting percentage		66.66%
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards outstanding to purchase common stock		2,341,797		2,601,972
Total unrecognized compensation expense related to unvested options, expects to recognize over estimated weighted average period		1 year
Shares forfeited	371,320	371,320
Share based compensation expense		$ 5,900
Total fair value of shares vested		$ 1,100
Weighted Average Grant-Date Fair Value, Granted		$ 3.05
Total unrecognized compensation expense related to unvested restricted shares		$ 14,700
Shares, Granted		439,145
Mohawk 2014 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options outstanding to purchase common stock		369,867
Shares reserved for future issuance		2,608
Mohawk 2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance		901,057
Mohawk 2018 Plan | Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options outstanding to purchase common stock		1,478,307
Mohawk 2018 Plan | Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards outstanding to purchase common stock		300,432
Shares, Granted		300,432
2019 Equity Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance		0
2019 Equity Plan | Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate shares of restricted stock outstanding		2,098,006
Percentage of restricted shares issued and outstanding		70.00%