Cash, Cash Equivalents, and Restricted Cash (Tables)

12 Months Ended

Dec. 31, 2021

Cash and Cash Equivalents [Abstract]

Schedule of cash and cash equivalents

Cash, cash equivalents and restricted cash as of December 31, 2020 and 2021 consisted of the following (in thousands):

	2020		2021
Current assets:
Cash and cash equivalents	$	108,977	$	99,448
Total cash and cash equivalents	$	108,977	$	99,448
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	—
Restricted cash - held as collateral		7,000		7,008
Total restricted cash	$	11,000	$	7,008
Total cash, cash equivalents and restricted cash	$	119,977	$	106,456

Schedule of components of restricted cash

Cash, cash equivalents and restricted cash as of December 31, 2020 and 2021 consisted of the following (in thousands):

	2020		2021
Current assets:
Cash and cash equivalents	$	108,977	$	99,448
Total cash and cash equivalents	$	108,977	$	99,448
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	—
Restricted cash - held as collateral		7,000		7,008
Total restricted cash	$	11,000	$	7,008
Total cash, cash equivalents and restricted cash	$	119,977	$	106,456