Short-term and long-term invesmtents (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

The Company’s short-term and long-term investments, consisting of debt instruments classified as held-to-maturity and equity investments with readily determinable fair values or redemption values, were as follows:

	December 31, 2021						December 31, 2020
	Debt securities		Equity securities		Total		Debt securities		Equity securities		Total
Certificates of deposit and other time deposits	$	23,226	$	—	$	23,226	$	8,217	$	—	$	8,217
Investments in mutual funds and common stock	—		48,598		48,598		—		44,077		44,077
	$	23,226	$	48,598	$	71,824	$	8,217	$	44,077	$	52,294
Short-term investments	$	8,227	$	14,083	$	22,310	$	8,217	$	11,884	$	20,101
Long-term investments	14,999		34,515		49,514		—		32,193		32,193
	$	23,226	$	48,598	$	71,824	$	8,217	$	44,077	$	52,294