Stock-Based Compensation (Details 3) - Performance Shares [Member]	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Number of Units (in shares)
Outstanding and unvested, beginning of period | shares	266,963
Granted | shares	270,572
Vested | shares	0
Forfeited | shares	(60,824)
Outstanding and unvested, end of period | shares	476,711
Weighted average grant date fair value
Outstanding and unvested, beginning of period (in dollars per share) | $ / shares	$ 23.80
Granted (in dollars per share) | $ / shares	15.41
Vested (in dollars per share) | $ / shares	0.00
Forfeited (in dollars per share) | $ / shares	26.66
Outstanding and unvested, end of period (in dollars per share) | $ / shares	$ 18.67