Cash Equivalents and Investments (Tables)

12 Months Ended

Dec. 31, 2019

Cash and Cash Equivalents [Abstract]

Summary of cash and available-for-sale securities

The following table summarizes the Company’s cash and cash equivalents by significant investment category reported as cash and cash equivalents as of December 31, 2019 and 2018:

					Reported as:
(in thousands)	Amortized Cost		Estimated Fair Value		Cash and Cash Equivalents
December 31, 2019
Cash	$	62,187	$	62,187	$	62,187
Money market funds	131,264		131,264		131,264
Total	$	193,451	$	193,451	$	193,451
December 31, 2018
Cash	$	167,871	$	167,871	$	167,871
Money market funds	226,719		226,719		226,719
Total	$	394,590	$	394,590	$	394,590