CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Restricted cash	$ 69,299	$ 54,765
Total gross loans receivable	769,228	553,722
Less: allowance for losses	67,861	86,162
Prepaid expenses and other	31,209	27,994
Accounts payable and accrued liabilities	64,406	49,624
Accrued interest	$ 20,411	$ 20,123
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	25,000,000	25,000,000
Preferred stock, issued (in shares)	0	0
Class A common stock, par value (in usd per share)	$ 0.001	$ 0.001
Class A common stock, authorized (in shares)	225,000,000	225,000,000
Class A common stock, issued (in shares)	47,939,331	47,525,807
Class A common stock, outstanding (in shares)	41,679,541	41,370,504
Treasury stock (in shares)	6,259,790	6,155,303
Variable Interest Entity
Restricted cash	$ 43,553	$ 31,994
Total gross loans receivable	592,283	360,431
Less: allowance for losses	44,605	54,129
Prepaid expenses and other	0	388
Accounts payable and accrued liabilities	6,078	34,055
Accrued interest	1,435	1,147
Debt	349,311	147,427
Issuance costs	$ 11,077	$ 7,766