Stock-Based Compensation (Details 1) - Non Qualified Stock Option [Member]	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, Number of options | shares	3,000
Granted, Number of options | shares	0
Exercised, Number of options | shares	(500)
Forfeited, Number of options | shares	0
Expired, Number of options | shares	(2,500)
Outstanding at end of period, Number of options | shares	0
Exercisable at end of period, Number of options | shares	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period, Weighted average exercise price (in dollars per share) | $ / shares	$ 19.38
Granted, Weighted average exercise price (in dollars per share) | $ / shares	0.00
Exercised, Weighted average exercise price (in dollars per share) | $ / shares	19.38
Forfeited, Weighted average exercise price (in dollars per share) | $ / shares	0.00
Expired, Weighted average exercise price (in dollars per share) | $ / shares	19.38
Outstanding at end of period, Weighted average exercise price (in dollars per share) | $ / shares	0.00
Exercisable at end of period, Weighted average exercise price (in dollars per share) | $ / shares	$ 0.00
Outstanding at end of period, Weighted average remaining contractual term	0 years
Exercisable at end of period, Weighted average remaining contractual term	0 years
Outstanding at end of period, Aggregate intrinsic value | $	$ 0
Exercisable at end of period, Aggregate intrinsic value | $	$ 0