CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income from continuing operations		$ 130,252	$ 57,093
Adjustments to reconcile net income to net cash provided by continuing operating activities:
Depreciation and amortization		12,400	8,954
Provision for loan losses		81,310	164,229
Amortization of debt issuance costs and bond discount		2,954	1,600
Deferred income tax (benefit) expense		(3,481)	9,861
Loss on disposal of property and equipment		4,322	116
(Income) loss from equity method investment		(2,258)	877
Gain from equity method investment		(135,387)	0
Share-based compensation		6,150	6,504
Changes in operating assets and liabilities:
Accrued interest on loans receivable		30,527	28,654
Prepaid expenses and other assets		(2,320)	3,286
Accounts payable and accrued liabilities		4,303	965
Deferred revenue		4,999	(5,040)
Income taxes receivable		29,910	(7,413)
Accrued interest		271	200
Other long-term liabilities		(1,057)	914
Net cash provided by continuing operating activities		162,895	270,800
Net cash provided by discontinued operating activities		0	1,714
Net cash provided by operating activities	[1]	162,895	272,514
Cash flows from investing activities
Purchase of property and equipment		(7,169)	(4,724)
Loans receivable originated or acquired		(563,327)	(648,044)
Loans receivable repaid		421,123	616,223
Proceeds from Investment in Katapult		146,878	0
Net cash used in continuing investing activities	[1]	(93,698)	(50,963)
Cash flows from financing activities
Debt issuance costs paid		0	(3,531)
Proceeds from exercise of stock options		239	126
Payments to net share settle restricted stock units vesting		(1,711)	(638)
Repurchase of common stock		(1,251)	(5,908)
Dividends paid to stockholders		(6,950)	(4,500)
Net cash used in continuing financing activities	[1]	8,088	2,123
Effect of exchange rate changes on cash, cash equivalents and restricted cash		273	(1,079)
Net increase in cash, cash equivalents and restricted cash		77,558	222,595
Cash, cash equivalents and restricted cash at beginning of period		268,108	110,021
Cash, cash equivalents and restricted cash at end of period		345,666	332,616
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents		276,367	269,342
Restricted cash		69,299	63,274
Total cash, cash equivalents and restricted cash used in the Statement of Cash Flows		345,666	332,616
Revolving Credit Facility | Non-Recourse Canada SPV And SPE Facilities | Line of Credit
Cash flows from financing activities
Proceeds from credit facilities		26,990	58,386
Payments on credit facilities		(9,229)	(41,812)
Revolving Credit Facility | Senior Revolver | Line of Credit
Cash flows from financing activities
Proceeds from credit facilities		20,934	69,778
Payments on credit facilities		(20,934)	(69,778)
Ad Astra
Cash flows from investing activities
Acquisition, net of cash received		0	(14,418)
Flexiti
Cash flows from investing activities
Acquisition, net of cash received		$ (91,203)	$ 0

[1] (1) Investing activities and Financing activities were not impacted by discontinued operations