SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited consolidated financial statements and condensed notes thereto have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information as contained within the FASB Accounting Standards Codification (“ASC”) and the rules and regulations of the SEC, including the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, the unaudited consolidated financial statements do not include all of the information and footnotes required by GAAP for audited financial statements. In the opinion of management, the financial statements for the unaudited interim periods presented include all adjustments, which are of a normal and recurring nature, necessary for a fair and consistent presentation of the results for such periods. Operating results for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.
Principles of Consolidation	The consolidated financial statements include the accounts of the Company, REIT Holdings, the Operating Partnership, Pacific Oak SOR BVI and their direct and indirect wholly owned subsidiaries, joint ventures in which the Company has a controlling interest and VIEs in which the Company is the primary beneficiary. All significant intercompany balances and transactions are eliminated in consolidation. Liquidity The Company generally finances its real estate investments using notes payable that are typically structured as non-recourse secured mortgages with maturities of approximately three to five years, with short term extension options available upon the Company meeting certain debt covenants. Each reporting period management evaluates the Company’s ability to continue as a going concern by evaluating conditions and events, including assessing the liquidity needs to satisfy upcoming debt obligations and the ability to satisfy debt covenant requirements. Through the normal course of operations and as further discussed in Note 7, the Company has $518.0 million of debt obligations coming due over the next 12-month period. In order to satisfy obligations as they mature, management will evaluate its options and may seek to utilize extension options available in the respective loan agreements, may make partial loan paydowns to meet debt covenant requirements, may seek to refinance certain debt instruments, may sell real estate equity securities to convert to cash to make principal payments, may market one or more properties for sale or may negotiate a turnover of one or more secured properties back to the related mortgage lender and remit payment for any associated loan guarantee. Historically, the Company has successfully refinanced debt instruments or utilized extension options in order to satisfy debt obligations as they come due and has not negotiated a turnover of a secured property back to a lender, though the Company may utilize such option if necessary. Based upon these plans, management believes it will have sufficient liquidity to satisfy its obligations as they come due and to continue as a going concern. There can be no assurance as to the certainty or timing of any of management’s plans. Refer to Note 7 for further discussion.
Use of Estimates	The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could materially differ from those estimates.
Restricted Cash	Restricted cash is comprised of lender impound reserve accounts on the Company’s borrowings for security deposits, property taxes, insurance, debt service obligations and capital improvements and replacements.
Redeemable Common Stock	The Company limits the dollar value of shares that may be redeemed under the share redemption program. During the nine months ended September 30, 2021, the Company had redeemed $29.6 million of common stock under the share redemption program. The Company processed all redemption requests received in good order and eligible for redemption through the September 2021 redemption date, except for 13,913,664 shares totaling $128.0 million due to the limitations under the share redemption program. The Company recorded $3.4 million and $0.9 million of redeemable common stock payable on the Company’s balance sheet as of September 30, 2021 and December 31, 2020, respectively, related to unfulfilled redemption requests received in good order under the share redemption program. Based on the twelfth amended and restated share redemption program, the Company has $3.2 million available for redemptions in the remainder of 2021, including shares that are redeemed in connection with a stockholders’ death, “qualifying disability” or “determination of incompetence,” subject to the limitations under the share redemption program.
Reclassifications	Certain amounts in the Company’s prior period consolidated financial statements have been reclassified to conform to the current period presentation. These reclassifications have not changed the results of operations of the prior period. During the nine months ended September 30, 2021, the Company sold one office property. As a result, certain assets and liabilities were reclassified as held for sale on the consolidated balance sheets for the prior period.
Segments	The Company operates in three reportable business segments: opportunistic real estate and real estate-related investments, single-family homes, and hotels, which is how the Company's management manages the business. In general, the Company intends to hold its investments in opportunistic real estate and other real estate-related assets for capital appreciation. Traditional performance metrics of opportunistic real estate and other real estate-related assets may not be meaningful as these investments are generally non-stabilized and do not provide a consistent stream of interest income or rental revenue. These investments exhibit similar long-term financial performance and have similar economic characteristics. These investments typically involve a higher degree of risk and do not provide a constant stream of ongoing cash flows. As a result, the Company’s management views opportunistic real estate and other real estate-related assets as similar investments and aggregated into one reportable business segment. The Company owns single-family homes in 17 markets and are all aggregated into one reportable business segment due to the homes being stabilized, having high occupancy rates and have similar economic characteristics. Additionally, the Company owns two hotels and are aggregated into one reportable business segment due to the nature of the hotel business with short-term stays.
Per Share Data	The Company applies the two-class method when computing its earnings per share. Net income per share for each class of stock is calculated by assuming all of the Company’s net income (loss) is distributed to each class of stock based on their contractual rights. Unvested restricted stock that contains non-forfeitable rights to distributions (whether paid or unpaid) are considered participating securities and are included in the computation of earnings per share. Basic earnings (loss) per share of common stock is calculated by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock issued and outstanding during such period. Diluted earnings (loss) per share of common stock is computed based on the weighted-average number of shares of common stock outstanding during each period, plus potential common shares considered outstanding during the period, as long as the inclusion of such awards is not anti-dilutive. Potential common shares consist of unvested restricted stock, using the more dilutive of either the two-class method or the treasury stock method. The noncontrolling Pacific Oak Residential Trust, Inc. (“PORT”) Series A convertible redeemable preferred shares are not included as the preferred shares are convertible contingent on the common stock of PORT being publicly traded. If PORT common stock becomes publicly traded, the per-share earnings of PORT will be included in the Company’s EPS computations based on the consolidated holdings of PORT. The Company’s unvested Restricted Stock have been included in the calculation of basic and diluted earnings per share for both of the three and nine months ended September 30, 2021 and 2020, as the restriction is not contingent on any conditions except the passage of time.
Square Footage, Occupancy and Other Measures	Any references to square footage, occupancy or annualized base rent are unaudited and outside the scope of the Company’s independent registered public accounting firm’s review of the Company’s financial statements in accordance with the standards of the United States Public Company Accounting Oversight Board.
Recently Issued Accounting Standards Updates	In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848) (“ASU No. 2020-04”) contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU No. 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the nine months ended September 30, 2021, the Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. For the period from January 1, 2020 (the earliest date the Company may elect to apply ASU No. 2020-04) through September 30, 2021, the Company did not have any contract modifications that meet the criteria described above, specifically contract modifications that have been modified from LIBOR to an alternative reference rate. The Company’s loan agreements, derivative instruments, and certain lease agreements use LIBOR as the current reference rate. For eligible contract modifications, the Company expects to adopt the temporary optional expedients described in ASU No. 2020-04. The optional expedients for hedging relationships described in ASU No. 2020-04 are not expected to have an impact to the Company, as the Company has elected to not designate its derivative instruments as a hedge.
Fair Value Measurement	Disclosure of the fair value of financial instruments is based on pertinent information available to the Company as of the period end and requires a significant amount of judgment. This has made the estimation of fair values difficult and, therefore, both the actual results and the Company’s estimate of value at a future date could be materially different.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

9 Months Ended

Sep. 30, 2021

The accompanying unaudited consolidated financial statements and condensed notes thereto have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information as contained within the FASB Accounting Standards Codification (“ASC”) and the rules and regulations of the SEC, including the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, the unaudited consolidated financial statements do not include all of the information and footnotes required by GAAP for audited financial statements. In the opinion of management, the financial statements for the unaudited interim periods presented include all adjustments, which are of a normal and recurring nature, necessary for a fair and consistent presentation of the results for such periods. Operating results for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.

Principles of Consolidation

The consolidated financial statements include the accounts of the Company, REIT Holdings, the Operating Partnership, Pacific Oak SOR BVI and their direct and indirect wholly owned subsidiaries, joint ventures in which the Company has a controlling interest and VIEs in which the Company is the primary beneficiary. All significant intercompany balances and transactions are eliminated in consolidation.

Liquidity

The Company generally finances its real estate investments using notes payable that are typically structured as non-recourse secured mortgages with maturities of approximately three to five years, with short term extension options available upon the Company meeting certain debt covenants. Each reporting period management evaluates the Company’s ability to continue as a going concern by evaluating conditions and events, including assessing the liquidity needs to satisfy upcoming debt obligations and the ability to satisfy debt covenant requirements. Through the normal course of operations and as further discussed in Note 7, the Company has $518.0 million of debt obligations coming due over the next 12-month period. In order to satisfy obligations as they mature, management will evaluate its options and may seek to utilize extension options available in the respective loan agreements, may make partial loan paydowns to meet debt covenant requirements, may seek to refinance certain debt instruments, may sell real estate equity securities to convert to cash to make principal payments, may market one or more properties for sale or may negotiate a turnover of one or more secured properties back to the related mortgage lender and remit payment for any associated loan guarantee. Historically, the Company has successfully refinanced debt instruments or utilized extension options in order to satisfy debt obligations as they come due and has not negotiated a turnover of a secured property back to a lender, though the Company may utilize such option if necessary. Based upon these plans, management believes it will have sufficient liquidity to satisfy its obligations as they come due and to continue as a going concern. There can be no assurance as to the certainty or timing of any of management’s plans. Refer to Note 7 for further discussion.

Use of Estimates

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could materially differ from those estimates.

Restricted Cash

Restricted cash is comprised of lender impound reserve accounts on the Company’s borrowings for security deposits, property taxes, insurance, debt service obligations and capital improvements and replacements.

Redeemable Common Stock

The Company limits the dollar value of shares that may be redeemed under the share redemption program. During the nine months ended September 30, 2021, the Company had redeemed $29.6 million of common stock under the share redemption program. The Company processed all redemption requests received in good order and eligible for redemption through the September 2021 redemption date, except for 13,913,664 shares totaling $128.0 million due to the limitations under the share redemption program. The Company recorded $3.4 million and $0.9 million of redeemable common stock payable on the Company’s balance sheet as of September 30, 2021 and December 31, 2020, respectively, related to unfulfilled redemption requests received in good order under the share redemption program. Based on the twelfth amended and restated share redemption program, the Company has $3.2 million available for redemptions in the remainder of 2021, including shares that are redeemed in connection with a stockholders’ death, “qualifying disability” or “determination of incompetence,” subject to the limitations under the share redemption program.

Reclassifications

Certain amounts in the Company’s prior period consolidated financial statements have been reclassified to conform to the current period presentation. These reclassifications have not changed the results of operations of the prior period. During the nine months ended September 30, 2021, the Company sold one office property. As a result, certain assets and liabilities were reclassified as held for sale on the consolidated balance sheets for the prior period.

Segments

The Company operates in three reportable business segments: opportunistic real estate and real estate-related investments, single-family homes, and hotels, which is how the Company's management manages the business. In general, the Company intends to hold its investments in opportunistic real estate and other real estate-related assets for capital appreciation. Traditional performance metrics of opportunistic real estate and other real estate-related assets may not be meaningful as these investments are generally non-stabilized and do not provide a consistent stream of interest income or rental revenue. These investments exhibit similar long-term financial performance and have similar economic characteristics. These investments typically involve a higher degree of risk and do not provide a constant stream of ongoing cash flows. As a result, the Company’s management views opportunistic real estate and other real estate-related assets as similar investments and aggregated into one reportable business segment. The Company owns single-family homes in 17 markets and are all aggregated into one reportable business segment due to the homes being stabilized, having high occupancy rates and have similar economic characteristics. Additionally, the Company owns two hotels and are aggregated into one reportable business segment due to the nature of the hotel business with short-term stays.

Per Share Data

The Company applies the two-class method when computing its earnings per share. Net income per share for each class of stock is calculated by assuming all of the Company’s net income (loss) is distributed to each class of stock based on their contractual rights.

Unvested restricted stock that contains non-forfeitable rights to distributions (whether paid or unpaid) are considered participating securities and are included in the computation of earnings per share.

Basic earnings (loss) per share of common stock is calculated by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock issued and outstanding during such period. Diluted earnings (loss) per share of common stock is computed based on the weighted-average number of shares of common stock outstanding during each period, plus potential common shares considered outstanding during the period, as long as the inclusion of such awards is not anti-dilutive. Potential common shares consist of unvested restricted stock, using the more dilutive of either the two-class method or the treasury stock method.

The noncontrolling Pacific Oak Residential Trust, Inc. (“PORT”) Series A convertible redeemable preferred shares are not included as the preferred shares are convertible contingent on the common stock of PORT being publicly traded. If PORT common stock becomes publicly traded, the per-share earnings of PORT will be included in the Company’s EPS computations based on the consolidated holdings of PORT.

The Company’s unvested Restricted Stock have been included in the calculation of basic and diluted earnings per share for both of the three and nine months ended September 30, 2021 and 2020, as the restriction is not contingent on any conditions except the passage of time.

Square Footage, Occupancy and Other Measures

Any references to square footage, occupancy or annualized base rent are unaudited and outside the scope of the Company’s independent registered public accounting firm’s review of the Company’s financial statements in accordance with the standards of the United States Public Company Accounting Oversight Board.

Recently Issued Accounting Standards Updates

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848) (“ASU No. 2020-04”) contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU No. 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the nine months ended September 30, 2021, the Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. For the period from January 1, 2020 (the earliest date the Company may elect to apply ASU No. 2020-04) through September 30, 2021, the Company did not have any contract modifications that meet the criteria described above, specifically contract modifications that have been modified from LIBOR to an alternative reference rate. The Company’s loan agreements, derivative instruments, and certain lease agreements use LIBOR as the current reference rate. For eligible contract modifications, the Company expects to adopt the temporary optional expedients described in ASU No. 2020-04. The optional expedients for hedging relationships described in ASU No. 2020-04 are not expected to have an impact to the Company, as the Company has elected to not designate its derivative instruments as a hedge.

Fair Value Measurement

Disclosure of the fair value of financial instruments is based on pertinent information available to the Company as of the period end and requires a significant amount of judgment. This has made the estimation of fair values difficult and, therefore, both the actual results and the Company’s estimate of value at a future date could be materially different.