Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic:
Weighted average shares outstanding, basic	30,465,475	29,653,409
Effect of dilutive securities:
Common stock options	34,503	2,148
Total weighted average shares outstanding assuming dilution	30,499,978	29,655,557