Cash, Cash Equivalents, and Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2020

Cash and Cash Equivalents [Abstract]

Schedule of cash and cash equivalents

Cash, cash equivalents and restricted cash as of December 31, 2019 and March 31, 2020 consisted of the following (in thousands):

	December 31,		March 31,
	2019		2020
Current assets:
Cash and cash equivalents	$	49,207	$	69,511
Restricted cash - standby letters of credit		15		15
Total cash, cash equivalents and current portion of restricted cash	$	49,222	$	69,526
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	4,000
Total long-term portion of restricted cash	$	4,000	$	4,000
Total cash, cash equivalents and restricted cash	$	53,222	$	73,526

Schedule of components of restricted cash

Cash, cash equivalents and restricted cash as of December 31, 2019 and March 31, 2020 consisted of the following (in thousands):

	December 31,		March 31,
	2019		2020
Current assets:
Cash and cash equivalents	$	49,207	$	69,511
Restricted cash - standby letters of credit		15		15
Total cash, cash equivalents and current portion of restricted cash	$	49,222	$	69,526
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	4,000
Total long-term portion of restricted cash	$	4,000	$	4,000
Total cash, cash equivalents and restricted cash	$	53,222	$	73,526