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Mortgage Loans held for Investment, Net and Related Non-Recourse Collateralized Financing (Notes) | 12 Months Ended
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Dec. 31, 2018
Mortgage Loans Held for Investment, Net and Related Non-Recourse Collateralized Financing [Abstract] |
Financing Receivables | MORTGAGE LOANS HELD FOR INVESTMENT, NET AND RELATED NON-RECOURSE COLLATERALIZED FINANCING The Company's mortgage loans held for investment, net are single-family mortgage loans which were originated or purchased by the Company prior to 2000. The amortized cost of these loans declined to $11,623 as of December 31, 2018 from $15,885 as of December 31, 2017 due primarily to principal payments. An allowance has been established for currently existing and probable losses on the Company's mortgage loans held for investment, which was $96 as of December 31, 2018 compared to $147 as of December 31, 2017. The Company's single-family mortgage loans are evaluated individually for impairment on a quarterly basis considering various factors including whether a loan is delinquent, the Company’s historical experience with similar types of loans, historical cure rates of delinquent loans, and historical and anticipated loss severity of the mortgage loans as they are liquidated. The Company recorded $50, $80, and $130 as provision for loan losses for the years ended December 31, 2018, 2017, and 2016, respectively, which is included within ”other operating (expense) income, net” on the Company's consolidated statements of comprehensive income (loss). The majority of the Company's mortgage loans held for investment, net is pledged as collateral for the one remaining class of the Company's single-family securitization financing bond, which is recorded on the Company's balance sheet as "non-recourse collateralized financing". As of December 31, 2018, $4,141 of the principal balance of the Company’s mortgage loans held for investment was pledged as collateral for the Company's non-recourse collateralized financing which had a remaining principal balance of $3,502. As of December 31, 2017, $6,233 of the principal balance of the Company's mortgage loans held for investment was pledged as collateral for the remaining principal balance of the outstanding bonds of $5,596.

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- Definition Mortgage Loans Held for Investment, Net and Related Non-Recourse Collateralized Financing [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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