Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019	Sep. 30, 2018
Operating Activities
Net loss	$ (60,117)	$ (67,180)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,307	1,637
Stock-based compensation	7,211	6,406
Amortization of debt discount and issuance costs	1,730	1,507
Non-cash lease expense	2,254	1,216
Impairment costs	1,420	0
Other	(989)	0
Change in assets and liabilities:
Accounts receivable, net	(2,598)	(890)
Inventory	3,941	(15,612)
Prepaid expenses and other assets	3,409	1,441
Accounts payable	514	14,848
Accrued liabilities and other payables	20,626	21,764
Lease liabilities	(2,693)	(1,459)
Origination of loans held for sale	(132,697)	(49,850)
Proceeds from sale of loans originated as held for sale	111,233	39,015
Net cash used in operating activities	(43,449)	(47,157)
Investing activities
Purchases of property and equipment	(3,406)	(3,151)
Purchases of investments	(33,267)	0
Sales of investments	31,608	0
Maturities of investments	1,597	0
Net cash used in investing activities	(3,468)	(3,151)
Financing activities
Proceeds from the issuance of shares resulting from employee equity plans	4,103	3,732
Tax payments related to net share settlements on restricted stock units	(3,307)	(818)
Borrowings from warehouse credit facilities	131,310	48,557
Repayments to warehouse credit facilities	(110,025)	(38,097)
Borrowings from secured revolving credit facility	11,854	0
Repayments to secured revolving credit facility	(7,398)	0
Other payables—deposits held in escrow	3,684	3,968
Principal payments for finance lease obligations	(15)	0
Net cash provided by financing activities	30,206	17,342
Effect of exchange rate changes on cash and cash equivalents	(25)	0
Net change in cash, cash equivalents, and restricted cash	(16,736)	(32,966)
Cash, cash equivalents, and restricted cash:
Beginning of period	247,448	439,055	$ 439,055
End of period	230,712	406,089
Supplemental disclosure of cash flow information
Cash paid for interest	1,582	1,202
Non-cash transactions
Stock-based compensation capitalized in property and equipment	504	270
Property and equipment additions in accounts payable and accrued liabilities			$ 451	$ 1,370
Leasehold improvements paid directly by lessor	$ 0	$ 1,963