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v3.19.3.a.u2

Summary of Significant Accounting Policies (Details) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2017 variable_interest_entity | Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($) | Oct. 01, 2019 USD ($) | Dec. 31, 2017 USD ($) | Jan. 23, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Goodwill |  | $ 25,222,000 | $ 25,222,000 |  |  |
Goodwill accumulated impairment |  |  |  | $ 0 |  |
Residential mortgage loans, delinquency period |  | 90 days |  |  |  |
Restricted cash and cash equivalents |  | $ 2,849,000 | 5,421,000 |  | $ 11,004,000 |
Interest receivable |  | 41,200,000 |  |  |  |
Employer contributions to employee benefit plan |  | $ 0 | 0 |  |  |
Number of reportable segments | segment |  | 1 |  |  |  |
Performance Shares |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Award vesting period |  | 3 years |  |  |  |
6.25% senior convertible notes due 2022 |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Discount at issuance (percent) |  |  |  |  |  | 4.00%
6.25% senior convertible notes due 2022 | Convertible Notes |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Interest rate |  |  |  |  |  | 6.25%
VIE, Primary Beneficiary |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Inventory, real estate, construction in process |  | $ 20,900,000 |  |  |  |
Impairment of real estate |  | 1,900,000 | 2,800,000 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | VIE, Primary Beneficiary |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Impairment of real estate |  | 1,000,000.0 | 1,400,000 |  |  |
Net Loss Attributable to Parent | VIE, Primary Beneficiary |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Impairment of real estate |  | 900,000 | 1,400,000 |  |  |
Receivables And Other Assets |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Inventory, real estate, construction in process |  | $ 14,500,000 | 22,000,000.0 |  |  |
Minimum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Finite-lived intangible asset, useful life |  | 6 months |  |  |  |
Repurchase agreements, expiration period |  | 12 months |  |  |  |
Maximum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Finite-lived intangible asset, useful life |  | 10 years |  |  |  |
Repurchase agreements, expiration period |  | 18 months |  |  |  |
Building |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Property, plant and equipment useful life |  | 30 years |  |  |  |
Building Improvements | Minimum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Property, plant and equipment useful life |  | 10 years |  |  |  |
Building Improvements | Maximum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Property, plant and equipment useful life |  | 30 years |  |  |  |
Furniture and Fixtures |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Property, plant and equipment useful life |  | 5 years |  |  |  |
RiverBanc, RBMI, and RBDHC |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Goodwill |  | $ 25,200,000 | $ 25,200,000 |  |  |
Riverchase Landing and The Clusters |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Number of consolidated VIEs | variable_interest_entity | 2 |  |  |  |  |

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