Organization and Description of Business	12 Months Ended
Dec. 31, 2019
Organization and Description of Business [Abstract]
Organization and Description of Business	Note 1. Organization and Description of Business Postal Realty Trust, Inc. (the "Company" "we", "us", or "our") was organized in the state of Maryland on November 19, 2018. On May 17, 2019, the Company completed its initial public offering ("IPO") of the Company's Class A common stock, par value $0.01 per share (our "Class A common stock"). The Company contributed the net proceeds from the IPO to Postal Realty LP, a Delaware limited partnership (the "Operating Partnership"), in exchange for common units of limited partnership interest in the Operating Partnership (each, an "OP Unit," and collectively , the "OP Units"). Both the Company and the Operating Partnership commenced operations upon completion of the IPO and certain related formation transactions (the "Formation Transactions"). Prior to the completion of the IPO and the Formation Transactions, the Company had no operations. The Company's interest in the Operating Partnership entitles the Company to share in distributions from, and allocations of profits and losses of, the Operating Partnership in proportion to the Company's percentage ownership of OP Units As the sole general partner of the Operating Partnership, the Company has the exclusive power under the partnership agreement to manage and conduct the Operating Partnership's business, subject to limited approval and voting rights of the limited partners. As of December 31, 2019, the Company held an approximately 70.0% interest in the Operating Partnership. As the sole general partner and the majority interest holder, the Company consolidates the financial position and results of operations of the Operating Partnership. The Operating Partnership is considered a variable interest entity, or VIE, in which we are the primary beneficiary. Our Predecessor (the "Predecessor") is a combination of limited liability companies (the "LLCs"), one C-Corporation ("UPH"), one S-Corporation ("NPM") and one limited partnership. The entities that comprise the Predecessor were majority owned and controlled by Mr. Andrew Spodek and his affiliates and were acquired by contribution to, or merger with, the Company and the Operating Partnership. The Predecessor does not represent a legal entity. The Predecessor and its related assets and liabilities were under common control and were contributed to the Operating Partnership in connection with the Company's IPO. For the periods prior to May 17, 2019, the Predecessor, through the LLCs, UPH and the limited partnership, owned 190 post office properties in 33 states. NPM was formed on November 17, 2004, for the purposes of managing commercial real estate properties. As of December 31, 2019, the Company owned a portfolio of 466 postal properties located in 44 states. Our properties were leased to a single tenant, the United States Postal Service (the "USPS") other than a de-minimis non-postal tenant that shares space in a building leased to the USPS. In addition, through its taxable REIT subsidiary ("TRS"), Postal Realty Management TRS, LLC ("PRM"), the Company provides fee-based third party property management services for an additional 403 postal properties, which are owned by Mr. Spodek, his family members and their partners. The Company, until May 15, 2019, was authorized to issue up to 600,000,000 shares of common stock, par value $0.01 per share. On May 15, 2019, in connection with the IPO, the Company amended its articles of incorporation such that the Company is currently authorized to issue up to 500,000,000 shares of Class A common stock, 27,206 shares of Class B common stock, $0.01 par value per share (our "Class B common stock" or "Voting Equivalency stock"), and up to 100,000,000 shares of preferred stock. The Company elected to be taxed as an S-Corporation under the Internal Revenue Code of 1986, as amended (the "Code"), effective November 19, 2018, and as such, all federal tax liabilities were the responsibility of the Company's sole stockholder until the completion of our IPO. In anticipation of the IPO, the Company revoked its S-Corporation election on May 14, 2019. The Company will elect to be treated as and operate in a matter that will allow it to qualify as a real estate investment trust ("REIT") under the Code beginning with its short taxable year ending December 31, 2019. As a REIT, the Company generally will not be subject to federal income tax to the extent that it distributes at least 90% of its REIT taxable income, determined without regard to the deduction for the dividends paid and excluding net capital gains, for each tax year to its stockholders. REITs are subject to a number of organizational and operational requirements. Pursuant to the Jumpstart Our Business Startups Act (the "JOBS Act"), the Company qualifies as an emerging growth company ("EGC"). An EGC may choose to take advantage of the extended private company transition period provided for complying with new or revised accounting standards that may be issued by the Financial Accounting Standards Board ("FASB") or the Securities and Exchange Commission (the "SEC").

Organization and Description of Business

12 Months Ended

Dec. 31, 2019

Organization and Description of Business [Abstract]

Organization and Description of Business

Note 1. Organization and Description of Business

Postal Realty Trust, Inc. (the "Company" "we", "us", or "our") was organized in the state of Maryland on November 19, 2018. On May 17, 2019, the Company completed its initial public offering ("IPO") of the Company's Class A common stock, par value $0.01 per share (our "Class A common stock"). The Company contributed the net proceeds from the IPO to Postal Realty LP, a Delaware limited partnership (the "Operating Partnership"), in exchange for common units of limited partnership interest in the Operating Partnership (each, an "OP Unit," and collectively , the "OP Units"). Both the Company and the Operating Partnership commenced operations upon completion of the IPO and certain related formation transactions (the "Formation Transactions"). Prior to the completion of the IPO and the Formation Transactions, the Company had no operations.

The Company's interest in the Operating Partnership entitles the Company to share in distributions from, and allocations of profits and losses of, the Operating Partnership in proportion to the Company's percentage ownership of OP Units As the sole general partner of the Operating Partnership, the Company has the exclusive power under the partnership agreement to manage and conduct the Operating Partnership's business, subject to limited approval and voting rights of the limited partners. As of December 31, 2019, the Company held an approximately 70.0% interest in the Operating Partnership. As the sole general partner and the majority interest holder, the Company consolidates the financial position and results of operations of the Operating Partnership. The Operating Partnership is considered a variable interest entity, or VIE, in which we are the primary beneficiary.

Our Predecessor (the "Predecessor") is a combination of limited liability companies (the "LLCs"), one C-Corporation ("UPH"), one S-Corporation ("NPM") and one limited partnership. The entities that comprise the Predecessor were majority owned and controlled by Mr. Andrew Spodek and his affiliates and were acquired by contribution to, or merger with, the Company and the Operating Partnership.

The Predecessor does not represent a legal entity. The Predecessor and its related assets and liabilities were under common control and were contributed to the Operating Partnership in connection with the Company's IPO.

For the periods prior to May 17, 2019, the Predecessor, through the LLCs, UPH and the limited partnership, owned 190 post office properties in 33 states.

NPM was formed on November 17, 2004, for the purposes of managing commercial real estate properties.

As of December 31, 2019, the Company owned a portfolio of 466 postal properties located in 44 states. Our properties were leased to a single tenant, the United States Postal Service (the "USPS") other than a de-minimis non-postal tenant that shares space in a building leased to the USPS.

In addition, through its taxable REIT subsidiary ("TRS"), Postal Realty Management TRS, LLC ("PRM"), the Company provides fee-based third party property management services for an additional 403 postal properties, which are owned by Mr. Spodek, his family members and their partners.

The Company, until May 15, 2019, was authorized to issue up to 600,000,000 shares of common stock, par value $0.01 per share. On May 15, 2019, in connection with the IPO, the Company amended its articles of incorporation such that the Company is currently authorized to issue up to 500,000,000 shares of Class A common stock, 27,206 shares of Class B common stock, $0.01 par value per share (our "Class B common stock" or "Voting Equivalency stock"), and up to 100,000,000 shares of preferred stock.

The Company elected to be taxed as an S-Corporation under the Internal Revenue Code of 1986, as amended (the "Code"), effective November 19, 2018, and as such, all federal tax liabilities were the responsibility of the Company's sole stockholder until the completion of our IPO. In anticipation of the IPO, the Company revoked its S-Corporation election on May 14, 2019. The Company will elect to be treated as and operate in a matter that will allow it to qualify as a real estate investment trust ("REIT") under the Code beginning with its short taxable year ending December 31, 2019. As a REIT, the Company generally will not be subject to federal income tax to the extent that it distributes at least 90% of its REIT taxable income, determined without regard to the deduction for the dividends paid and excluding net capital gains, for each tax year to its stockholders. REITs are subject to a number of organizational and operational requirements.

Pursuant to the Jumpstart Our Business Startups Act (the "JOBS Act"), the Company qualifies as an emerging growth company ("EGC"). An EGC may choose to take advantage of the extended private company transition period provided for complying with new or revised accounting standards that may be issued by the Financial Accounting Standards Board ("FASB") or the Securities and Exchange Commission (the "SEC").