Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments

The following tables present the carrying amount and estimated fair value of our financial instruments recognized at fair value on a recurring basis:

	September 30, 2020
			Estimated Fair Value Measurements
	Carrying Amount		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets -
Marketable securities	$	11,247	$	11,247	$	—	$	—

	December 31, 2019
			Estimated Fair Value Measurements
	Carrying Amount		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets -
Marketable securities	$	10,433	$	10,433	$	—	$	—