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Equity Compensation Plans - Options (Details) | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Sep. 30, 2020 USD ($) shares | Sep. 30, 2019 USD ($) shares | Mar. 31, 2019 shares
Equity Compensation Plans |  |  |  |  |
Total compensation cost | $ | $ 1,600,000 | $ 1,600,000 |  | $ 1,900,000 |
Granted (in shares) | shares |  |  | 0 | 166,106 |
2019 Plan |  |  |  |  |
Equity Compensation Plans |  |  |  |  |
Number of stock option grant awards outstanding | $ |  |  | 0 |  |
2014 Plan |  |  |  |  |
Equity Compensation Plans |  |  |  |  |
Number of shares authorized | shares |  |  |  |  | 600,000
Restricted Stock and Restricted Stock Units [Member] |  |  |  |  |
Equity Compensation Plans |  |  |  |  |
Vesting period |  |  | 3 years |  |

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