Stock-Based Compensation (Details 4) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Share-based Payment Arrangement, Noncash Expense [Abstract]
Options Outstanding, Expected to Vest (in shares) | shares	636,577
Options Outstanding, Expected to Vest, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 49.29
Options Outstanding, Expected to Vest, Aggregate Intrinsic Value | $	$ 4,285
Options Outstanding, Expected to Vest, Weighted-Average Remaining Term	6 years 4 months 17 days
Options Outstanding, Exercisable (in shares) | shares	445,916
Options Outstanding, Exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 43.59
Options Outstanding, Exercisable, Aggregate Intrinsic Value | $	$ 4,273
Options Outstanding, Exercisable, Weighted-Average Remaining Term	5 years 5 months 4 days