Stock-Based Compensation - Summary of RSU activity under Incentive Plan (Details) - USD ($)
$ / shares in Units, $ in Thousands |
3 Months Ended |
12 Months Ended |
Mar. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Restricted and Deferred Stock Units |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
|
|
|
| Nonvested, Beginning Balance (in shares) |
349,865
|
349,865
|
401,235
|
|
| Number of units Granted |
|
134,574
|
203,181
|
|
| Vested (in shares) |
|
(207,222)
|
(238,062)
|
|
| Forfeited (in shares) |
|
(171,418)
|
(16,489)
|
|
| Nonvested, Ending Balance |
|
105,799
|
349,865
|
401,235
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
|
|
|
|
| Total intrinsic value |
|
$ 165
|
$ 1,017
|
$ 2,223
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |
|
|
|
|
| Weighted Average Remaining Contractual Term (in years) |
|
2 years 8 months 8 days
|
4 years 10 months 13 days
|
8 years
|
| Restricted Stock Units (RSUs) |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
|
|
|
| Number of units Granted |
|
2,614
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
|
|
|
|
| Weighted Average Exercise Price, Granted (per share) |
|
$ 2.56
|
$ 3.78
|
$ 4.83
|
| Total intrinsic value |
|
$ 100
|
$ 800
|
$ 400
|
| Deferred Stock Units |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
|
|
|
| Number of units Granted |
130,000
|
131,960
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
|
|
|
|
| Weighted Average Exercise Price, Granted (per share) |
|
$ 1.63
|
|
|
| Number of shares converted |
|
0
|
|
|