Variable Interest Entity - Additional Information (Details) - USD ($) $ in Thousands	Oct. 16, 2019	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Assets		$ 1,428,230	$ 532,809
Liabilities		896,162	648,145
Property and equipment, net		$ 1,382	1,095
Variable Interest Entity Primary Beneficiary | AP Wireless
Variable Interest Entity [Line Items]
Limited liability company interests in servicer	100.00%
Assets			6,856
Liabilities			1,865
Cash			5,891
Property and equipment, net			457
Bonuses payable			$ 925