Available-For-Sale Securities (Tables)

12 Months Ended

Sep. 30, 2019

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, 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.


	As of September 30, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Corporate bonds	$	48,252	$	—	$	721	$	47,531
Money market funds		30,883		—		—		30,883
U.S. government treasuries		23,656		—		398		23,258
U.S. agency securities		16,297		—		264		16,033
Asset backed obligations		9,312		—		135		9,177
Supranational and sovereign debt		4,508		—		74		4,434

Total(1)	$	132,908	$	—	$	1,592	$	131,316

(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, 2018, $100,433 of securities were classified as short-term interest-bearing investments and $30,883 of securities were classified as cash and cash equivalents.

Available-for-Sale Securities Debt Maturities Market Value

As of September 30, 2019, the Company’s available-for-sale securities had the following maturity dates:


	Market Value
Due within one year	$	69,370