Goodwill and Intangible Assets	6 Months Ended
	Jun. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	7. Goodwill and Intangible Assets The Company had goodwill of $120 as of June 30, 2023 and December 31, 2022, and intangible assets of $28 and $8 as of June 30, 2023 and December 31, 2022, respectively. In connection with the Rushmore Transaction, the Company recorded $23 intangible assets in 2023, which primarily consist of subservicing customer relationships. See Note 1, Nature of Business and Basis of Presentation for further details. Goodwill and intangible assets are included in “other assets” within the condensed consolidated balance sheets.