Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Major Categories of Assets and Liabilities Measured at Fair Value on Recurring Basis

Included in the following table are the Company’s major categories of assets and liabilities measured at fair value on a recurring basis as of March 31, 2019 and December 31, 2018:

	March 31, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Commercial paper	$	—	$	25,506	$	—	$	25,506
Certificates of deposit	$	—	$	4,000	$	—	$	4,000
Liabilities:
Interest rate swap	$	—	$	523	$	—	$	523

	December 31, 2018
	Level 1		Level 2		Level 3		Total
Assets:
Commercial paper	$	—	$	21,041	$	—	$	21,041
Certificates of deposit	$	—	$	6,000	$	—	$	6,000
Interest rate swap	$	—	$	17	$	—	$	17