Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2021		Sep. 30, 2020
Cash Flows from Operating Activities:
Consolidated net loss	[1]	$ (10,528)		$ (160,883)
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:
Net fair value adjustments	[1]	6,714		99,144
Provision for credit losses	[1],[2]	93,651		3,800
Change in fair value of loan servicing assets	[1]	39,584		48,046
Stock-based compensation, net	[1]	49,321		47,455
Depreciation, amortization, and accretion	[1]	9,273		44,055
Gain on sales of loans	[1]	(49,547)		(23,724)
Other, net	[1]	8,185		9,259
Net change to loans held for sale	[1]	(14,756)		375,782
Net change in operating assets and liabilities:
Other assets	[1]	(7,610)		55,035
Other liabilities	[1]	(6,000)		(133,012)
Net cash provided by operating activities	[1]	118,287		364,957
Cash Flows from Investing Activities:
Acquisition of company	[1]	(145,344)		0
Cash received from acquisition	[1]	668,236		0
Net change in loans and leases	[1]	(1,072,274)		5,987
Net decrease in retail and certificate loans	[1]	362,005		340,853
Purchases of securities available for sale	[1]	(78,914)		(53,536)
Proceeds from sales of securities available for sale	[1]	106,192		2,396
Proceeds from maturities and paydowns of securities available for sale	[1]	108,640		179,174
Purchases of property, equipment and software, net	[1]	(24,435)		(24,583)
Other investing activities	[1]	480		300
Net cash (used for) provided by investing activities	[1]	(75,414)		450,591
Cash Flows from Financing Activities:
Net change in demand deposits and savings accounts	[1]	809,488		0
Proceeds from PPPLF		325,194
Repayment on PPPLF	[1]	(354,211)		0
Proceeds from issuance of retail notes and certificates	[1]	0		237,283
Net decrease in retail notes and certificates	[1]	(362,160)		(580,841)
Principal payments on Structured Program borrowings	[1]	(70,496)		(51,635)
Proceeds from issuance of notes and certificates from Structured Program transactions	[1]	0		186,190
Principal payments on short-term borrowings	[1]	(69,163)		(1,558,150)
Principal payments on long-term debt	[1]	(2,834)		(14,419)
Proceeds from short-term borrowings	[1]	0		1,105,051
Deemed dividend paid to preferred stockholder	[1]	0		(50,204)
Other financing activities	[1]	(7,448)		(31,978)
Net cash provided by (used for) financing activities		268,370	[1]	(758,703)
Net Increase in Cash, Cash Equivalents and Restricted Cash		311,243		56,845
Cash, Cash Equivalents and Restricted Cash, Beginning of Period		628,485		487,122
Cash, Cash Equivalents and Restricted Cash, End of Period		939,728		543,967
Supplemental Cash Flow Information:
Cash paid for interest		62,926		115,639
Cash paid for operating leases included in the measurement of lease liabilities		15,895		12,086
Non-cash investing activity:
Loans and leases held for investment transferred to loans held for sale	[3]	154,082		0
Net securities retained from Structured Program transactions	[3]	0		43,458
Accruals for property, equipment and software	[3]	0		1,260
Non-cash investing and financing activity:
Transfer of whole loans to redeem certificates		0		17,414
Net issuances of stock related to acquisition		41,462	[4]	0
Non-cash financing activity:
Exchange of common stock for preferred stock		$ 0		$ 207,244

[1] Prior period amounts have been reclassified to conform to the current period presentation. See “Notes to Condensed Consolidated Financial Statements – Note 1. Summary of Significant Accounting Policies” for additional information.

[2] Prior period amounts have been reclassified to conform to the current period presentation. See “Notes to Condensed Consolidated Financial Statements – Note 1. Summary of Significant Accounting Policies” for additional information.

[3] See “Notes to Condensed Consolidated Financial Statements – Note 8. Fair Value of Assets and Liabilities” for other non-cash investing activity.

[4] Stock issued as part of the consideration paid related to the acquisition of Radius. See “Note 2. Business Acquisition.”