ORGANIZATION AND BUSINESS	12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
ORGANIZATION AND BUSINESS	NOTE 1 — ORGANIZATION AND BUSINESS Cole Office & Industrial REIT (CCIT III), Inc. (the “Company”) is a non-exchange traded real estate investment trust (“REIT”) formed as a Maryland corporation on May 22, 2014, that elected to be taxed, and currently qualifies, as a REIT for U.S. federal income tax purposes commencing with its taxable year ended December 31, 2017. The Company primarily acquires and operates commercial real estate assets, primarily consisting of single-tenant, income-producing necessity office and industrial properties, which are leased to creditworthy tenants under long-term leases. As of December 31, 2019, the Company owned two office and industrial properties, comprising 391,000 rentable square feet of commercial space located in two states. As of December 31, 2019, the rentable square feet at these properties was 100% leased. Substantially all of the Company’s business is conducted through Cole Corporate Income Operating Partnership III, LP (“CCI III OP”), a Delaware limited partnership, of which the Company is the sole general partner and owns, directly or indirectly, 100% of the partnership interests. The Company is externally managed by Cole Corporate Income Management III, LLC, a Delaware limited liability company (“CCI III Management”), which is an affiliate of CIM Group, LLC (“CIM”). CIM is a community-focused real estate and infrastructure owner, operator, developer and lender with multi-disciplinary expertise, including acquisitions, management, development, leasing, research and capital markets. CIM is headquartered in Los Angeles, California and has offices in Oakland, California; Bethesda, Maryland; Dallas, Texas; New York, New York; Chicago, Illinois and Phoenix, Arizona. CCO Group, LLC owns and controls CCI III Management, the Company’s advisor, and is the indirect owner of CCO Capital, LLC (“CCO Capital”), the Company’s dealer manager, and CREI Advisors, LLC (“CREI Advisors”), the Company’s property manager. CCO Group, LLC and its subsidiaries (collectively, “CCO Group”) serve as the Company’s sponsor and as a sponsor to CIM Real Estate Finance Trust, Inc. (formerly known as Cole Credit Property Trust IV, Inc.) (“CMFT”), Cole Credit Property Trust V, Inc. (“CCPT V”), Cole Office & Industrial REIT (CCIT II), Inc. (“CCIT II”) and CIM Income NAV, Inc. (“CIM Income NAV”). On September 22, 2016, the Company commenced its initial public offering on a “best efforts” basis, offering up to a maximum of $3.5 billion in shares of common stock (the “Offering”). Pursuant to the Offering, the Company offered up to $2.5 billion in shares of its common stock pursuant to the primary offering, consisting of two classes of shares: Class A common stock (“Class A Shares”) at a price of $10.00 per share (up to $1.25 billion in shares) and Class T common stock (“Class T Shares”) at a price of $9.57 per share (up to $1.25 billion in shares). Pursuant to the Offering, the Company also offered up to $1.0 billion in shares of its common stock pursuant to a distribution reinvestment plan (the “DRIP”) at a purchase price during the Offering equal to the per share primary offering prices net of selling commissions and dealer manager fees, or $9.10 per share for both Class A Shares and Class T Shares. Effective December 31, 2018, the primary portion of the Offering was terminated, but the Company continued to issue Class A Shares and Class T Shares pursuant to the DRIP portion of the Offering. On March 28, 2019, the Company registered an aggregate of $4,300,000 of Class A Shares and Class T Shares pursuant to a Registration Statement on Form S-3 (Registration No. 333-230565) filed with the U.S. Securities and Exchange Commission (the “SEC”), which was declared effective on April 5, 2019 (the “DRIP Offering” and collectively with the Offering, the “Offerings”). As of April 30, 2019, the Company ceased issuing shares in the Offering and had sold a total of $31.2 million of Class A Shares and Class T Shares pursuant to the Offering, including $30.2 million ($23.3 million in Class A Shares and $6.9 million in Class T Shares) sold to the public pursuant to the primary portion of the Offering and $1.0 million ($655,000 in Class A Shares and $350,000 in Class T Shares) sold pursuant to the DRIP portion of the Offering. The unsold Class A Shares and Class T Shares in the Offering of $3.5 billion in the aggregate were subsequently deregistered. The Company began to issue Class A Shares and Class T Shares under the DRIP Offering on May 1, 2019 and will continue to issue shares under the DRIP Offering. The Company’s board of directors (the “Board”) establishes an updated estimated per share net asset value (“NAV”) of the Company’s common stock on at least an annual basis for purposes of assisting broker-dealers that participated in the Offering in meeting their customer account reporting obligations under Financial Industry Regulatory Authority Rule 2231. Distributions are reinvested in shares of the Company’s common stock under the DRIP at the estimated per share NAV as determined by the Board. Additionally, the estimated per share NAV as determined by the Board serves as the per share NAV for purposes of the share redemption program. As of December 31, 2019, the Company’s first estimated per share NAV was $8.60 per share for both Class A and Class T Shares, which was established on February 13, 2019 using a valuation date of December 31, 2018. On March 25, 2020, the Board established an updated estimated per share NAV of the Company’s common stock, as of December 31, 2019, of $7.60 per share for both Class A Shares and Class T Shares. As a result, commencing on March 30, 2020, distributions are reinvested under the DRIP at a price of $7.60 per share for both Class A Shares and Class T Shares, the estimated per share NAV as of December 31, 2019, as determined by the Board. Additionally, $7.60 per share will serve as the most recent estimated per share NAV for purposes of the share redemption program. The Company’s estimated per share NAVs are not audited or reviewed by its independent registered public accounting firm.

NOTE 1 — ORGANIZATION AND BUSINESS

Cole Office & Industrial REIT (CCIT III), Inc. (the “Company”) is a non-exchange traded real estate investment trust (“REIT”) formed as a Maryland corporation on May 22, 2014, that elected to be taxed, and currently qualifies, as a REIT for U.S. federal income tax purposes commencing with its taxable year ended December 31, 2017. The Company primarily acquires and operates commercial real estate assets, primarily consisting of single-tenant, income-producing necessity office and industrial properties, which are leased to creditworthy tenants under long-term leases. As of December 31, 2019, the Company owned two office and industrial properties, comprising 391,000 rentable square feet of commercial space located in two states. As of December 31, 2019, the rentable square feet at these properties was 100% leased.

Substantially all of the Company’s business is conducted through Cole Corporate Income Operating Partnership III, LP (“CCI III OP”), a Delaware limited partnership, of which the Company is the sole general partner and owns, directly or indirectly, 100% of the partnership interests.

The Company is externally managed by Cole Corporate Income Management III, LLC, a Delaware limited liability company (“CCI III Management”), which is an affiliate of CIM Group, LLC (“CIM”). CIM is a community-focused real estate and infrastructure owner, operator, developer and lender with multi-disciplinary expertise, including acquisitions, management, development, leasing, research and capital markets. CIM is headquartered in Los Angeles, California and has offices in Oakland, California; Bethesda, Maryland; Dallas, Texas; New York, New York; Chicago, Illinois and Phoenix, Arizona.

CCO Group, LLC owns and controls CCI III Management, the Company’s advisor, and is the indirect owner of CCO Capital, LLC (“CCO Capital”), the Company’s dealer manager, and CREI Advisors, LLC (“CREI Advisors”), the Company’s property manager. CCO Group, LLC and its subsidiaries (collectively, “CCO Group”) serve as the Company’s sponsor and as a sponsor to CIM Real Estate Finance Trust, Inc. (formerly known as Cole Credit Property Trust IV, Inc.) (“CMFT”), Cole Credit Property Trust V, Inc. (“CCPT V”), Cole Office & Industrial REIT (CCIT II), Inc. (“CCIT II”) and CIM Income NAV, Inc. (“CIM Income NAV”).

On September 22, 2016, the Company commenced its initial public offering on a “best efforts” basis, offering up to a maximum of $3.5 billion in shares of common stock (the “Offering”). Pursuant to the Offering, the Company offered up to $2.5 billion in shares of its common stock pursuant to the primary offering, consisting of two classes of shares: Class A common stock (“Class A Shares”) at a price of $10.00 per share (up to $1.25 billion in shares) and Class T common stock (“Class T Shares”) at a price of $9.57 per share (up to $1.25 billion in shares). Pursuant to the Offering, the Company also offered up to $1.0 billion in shares of its common stock pursuant to a distribution reinvestment plan (the “DRIP”) at a purchase price during the Offering equal to the per share primary offering prices net of selling commissions and dealer manager fees, or $9.10 per share for both Class A Shares and Class T Shares.

Effective December 31, 2018, the primary portion of the Offering was terminated, but the Company continued to issue Class A Shares and Class T Shares pursuant to the DRIP portion of the Offering. On March 28, 2019, the Company registered an aggregate of $4,300,000 of Class A Shares and Class T Shares pursuant to a Registration Statement on Form S-3 (Registration No. 333-230565) filed with the U.S. Securities and Exchange Commission (the “SEC”), which was declared effective on April 5, 2019 (the “DRIP Offering” and collectively with the Offering, the “Offerings”). As of April 30, 2019, the Company ceased issuing shares in the Offering and had sold a total of $31.2 million of Class A Shares and Class T Shares pursuant to the Offering, including $30.2 million ($23.3 million in Class A Shares and $6.9 million in Class T Shares) sold to the public pursuant to the primary portion of the Offering and $1.0 million ($655,000 in Class A Shares and $350,000 in Class T Shares) sold pursuant to the DRIP portion of the Offering. The unsold Class A Shares and Class T Shares in the Offering of $3.5 billion in the aggregate were subsequently deregistered. The Company began to issue Class A Shares and Class T Shares under the DRIP Offering on May 1, 2019 and will continue to issue shares under the DRIP Offering.

The Company’s board of directors (the “Board”) establishes an updated estimated per share net asset value (“NAV”) of the Company’s common stock on at least an annual basis for purposes of assisting broker-dealers that participated in the Offering in meeting their customer account reporting obligations under Financial Industry Regulatory Authority Rule 2231. Distributions are reinvested in shares of the Company’s common stock under the DRIP at the estimated per share NAV as determined by the Board. Additionally, the estimated per share NAV as determined by the Board serves as the per share NAV for purposes of the share redemption program. As of December 31, 2019, the Company’s first estimated per share NAV was $8.60 per share for both Class A and Class T Shares, which was established on February 13, 2019 using a valuation date of December 31, 2018. On March 25, 2020, the Board established an updated estimated per share NAV of the Company’s common stock, as of December 31, 2019, of $7.60 per share for both Class A Shares and Class T Shares. As a result, commencing on March 30, 2020, distributions are reinvested under the DRIP at a price of $7.60 per share for both Class A Shares and Class T Shares, the estimated per share NAV as of December 31, 2019, as determined by the Board. Additionally, $7.60 per share will serve as the most recent estimated per share NAV for purposes of the share redemption program. The Company’s estimated per share NAVs are not audited or reviewed by its independent registered public accounting firm.