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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Stock-Based Compensation [Abstract]  
Valuation Assumptions, Options

Expected

Risk Free

Expected

Dividend

Interest

Fair Value

Grant Year

Grant Date

Expected Life

Volatility

Yield

Rate

Per Award

2020

1/24/2020

5.1 years

71.67%

0.00%

0.93%

$5.45

2020

9/14/2020

5.5 years

70.66%

0.00%

1.00%

$5.30

2020

11/30/2020

5.7 years

70.21%

0.00%

1.03%

$5.11

2021

1/5/2021

5.8 years

69.82%

0.00%

1.05%

$5.19