Variable Interest Entities - Additional Information (Detail) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Asset-backed securities issued by securitization trusts	[1]	$ 358,854	$ 448,987
Variable Interest Entities Primary Beneficiary
Variable Interest Entity [Line Items]
Asset-backed securities issued by securitization trusts		$ 352,800	$ 449,000

[1] The consolidated balance sheets include assets of consolidated variable interest entities, or VIEs, that can only be used to settle obligations and liabilities of the VIEs for which creditors do not have recourse to the Company. At June 30, 2020 and December 31, 2019, total assets of the consolidated VIEs were $369 million and $460 million (including accrued interest receivable of $1.3 million and $1.5 million), respectively (which is recorded above in the line item entitled “Interest receivable”), and total liabilities were $360 million and $450 million (including accrued interest payable of $1.2 million and $1.4 million), respectively (which is recorded in the line item above entitled “Accrued interest payable”). Please refer to Note 5, “Variable Interest Entities,” for further discussion.