Available-For-Sale Securities (Tables)

12 Months Ended

Sep. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Interest-Bearing Investments in Available-for-Sale Securities

Available-for-sale

securities consist of the following interest-bearing

investments


	As of September 30, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Money market funds	$	558,633	$	—	$	—	$	558,633
Corporate bonds		754		—		2		752

Total(1)	$	559,387	$	—	$	2	$	559,385

(1)

Available-for-sale

securities with maturities longer than 90 days from the date of acquisition were classified as short-term interest-bearing investments and

available-for-sale

securities with maturities of 90 days or less from the date of acquisition were included in cash and cash equivalents on the Company’s balance sheet. As of September 30, 2020, $752 of securities were classified as short-term interest-bearing investments and $558,633 of securities were classified as cash and cash equivalents.


	As of September 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Money market funds	$	69,370	$	—	$	—	$	69,370

Total(1)	$	69,370	$	—	$	—	$	69,370

(1)

Available-for-sale

securities with maturities longer than 90 days from the date of acquisition were classified as short-term interest-bearing investments and

available-for-sale

securities with maturities of 90 days or less from the date of acquisition were included in cash and cash equivalents on the Company’s balance sheet. As of

September

30, 2019, all the securities were classified as cash and cash

equivalents

Available-for-Sale Securities Debt Maturities Market Value

As of September 30, 2020, the Company’s

available-for-sale

securities had the following maturity dates:


	Market Value
Due within one year	$	558,633
1 to 2 years		—
2 to 3 years		752
3 to 4 years		—
Thereafter		—

	$	559,385