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Real Estate Assets, Net - Narrative (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) property | Jun. 30, 2019 USD ($) property | Jun. 30, 2020 USD ($) property | Jun. 30, 2019 USD ($) property | Dec. 31, 2019 USD ($) property | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Real Estate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of properties owned | property |  |  |  | 9 |  |  | 10 |  |  |  |
Aggregate carrying value REO properties | $ | $ 1,400,000 |  |  | $ 1,400,000 |  |  | $ 1,500,000 |  |  |  |
Number of REO properties held for rental | property |  |  |  | 5 |  |  | 6 |  |  |  |
Number of real estate properties purchased | property |  |  |  |  |  |  | 2 |  |  |  |
Number of properties acquired through foreclosure | property |  |  |  | 1 |  |  | 1 |  |  |  |
Number of properties transferred from property held for sale | property |  |  |  | 6 |  |  | 6 |  |  |  |
Property held-for-sale, net | $ | $ 6,879,000 | [1] | $ 21,335,000 | $ 6,879,000 | [1] | $ 21,335,000 | $ 13,537,000 | [1] | $ 10,905,000 | $ 18,580,000 | $ 19,402,000
Real Estate Held For Sale Improvements | $ |  |  |  | $ 1,300,000 |  |  | $ 2,200,000 |  |  |  |
Number of held-for-sale residential properties disposed | property | 14 |  | 21 | 33 |  | 54 |  |  |  |  |
Gain (loss) on sale of property | $ |  |  |  | $ 591,000 |  | $ 121,000 |  |  |  |  |
Real Estate Impairment | $ | $ 100,000 |  | $ 500,000 | 1,000,000.0 |  | 1,000,000.0 |  |  |  |  |
Other Income |  |  |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of property | $ | $ 400,000 |  | $ 18,000 | $ 800,000 |  | $ 100,000 |  |  |  |  |
[1] | Property held-for-sale, net, includes valuation allowances of the $1.3 million and $1.8 million at June 30, 2020 and December 31, 2019, respectively.

X
- Definition Represents adjustment to real estate properties recorded to reflect properties at the lower of cost or estimated fair value. + References No definition available. + Details
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- Definition Represents number of held-for-sale residential properties disposed of. + References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 + Details
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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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