Related Party Transactions	3 Months Ended
Mar. 31, 2019
Related Party Transactions [Abstract]
Related Party Transactions	18. RELATED PARTY TRANSACTIONS Lease for Corporate Headquarters The Company has a lease for its corporate headquarters from an affiliate wholly-owned by our CEO. Future minimum lease payments under this lease, which expires on September 30, 2019, is $0.4 million. For each of the three months ended March 31, 2019 and 2018, total rental payments made were $138 thousand and $53 thousand, respectively. Rent expense for the three months ended March 31, 2019 and 2018 was $138 thousand and $53 thousand, respectively. Asset Management Agreement On March 30, 2018, CDS Asset Management, L.C. (“CAM”), an entity wholly owned by the Company, entered into a master asset management agreement (the “AMA”) with Comstock Development Services LC (“CDS”), an entity wholly owned by Christopher Clemente, the Chief Executive Officer of the Company. The effective date of this Agreement is January 2, 2018. Pursuant to the AMA, CDS has engaged CAM to manage and administer the CDS’ commercial real estate portfolio and the day to-day operations of CDS and each property-owning subsidiary of CDS. Pursuant to the terms of the AMA, CAM will provide investment advisory, development and asset management services necessary to build out, stabilize and manage certain assets. Pursuant to the AMA, CDS will pay CAM an annual cost-plus fee (the “Annual Fee”) in an aggregate amount equal to the sum of (i) the employment expenses of personnel dedicated to providing services to the Comstock Real Estate Portfolio pursuant to the AMA, (ii) the costs and expenses of the Company related to maintaining the listing of its shares on a securities exchange and complying with regulatory and reporting obligations as a public company, and (iii) a fixed annual payment of $1,000,000. During the three months ended March 31, 2019, the Company recorded revenue of $3.6 million which is included in ‘Revenue-asset management’ in the consolidated statement of operations). On April 30, 2019 the Company entered into an amended and restated master asset management agreement. Refer to Note 22 – Subsequent Events for further information on the transaction. Private Placements and Promissory Notes On December 29, 2015, the Company and Stonehenge Funding, L.C. (“Stonehenge”), an entity wholly owned by our Chief Executive Officer, entered into a Note Exchange and Subscription Agreement pursuant to which the note in the original principal amount of $4.5 million issued to the Company by Stonehenge was cancelled in its entirety and exchanged for 772,210 shares of the Company’s Series B Non-Convertible Preferred Stock, par value $0.01 per share and a stated value of $5.00 per share (the “Series B Preferred Stock”). The number of shares of Series B Preferred Stock received by Stonehenge in exchange for the note represented the principal amount outstanding plus accrued interest under the note as of December 29, 2015, which was $3.9 million. The holders of Series B Preferred Stock earned dividends at a rate of 8.75% per annum accruing from the effective date of the Note Exchange and Subscription Agreement. On December 29, 2015, Comstock Growth Fund II, L.C. (“CGF II”), an administrative entity managed by the Company, was created for the purpose of extending loans to the Company. CGF II entered into a subscription agreement with CDS pursuant to which CDS purchased membership interests in CGF II for an initial aggregate principal amount of $5.0 million (the “CGF II Private Placement”). Also on December 29, 2015, the Company entered into a revolving line of credit promissory note with CGF II whereby CGF II made a loan to the Company in the initial principal amount of $5.0 million and a maximum amount available for borrowing of up to $10.0 million with a two-year term, which may be extended an additional year. The interest rate is 10% per annum, and interest payments will be accrued and paid in kind monthly for the first year, and then paid current monthly in arrears beginning December 31, 2016. On December 29, 2017, the CGF II loan was extended one year to December 31, 2018. On May 23, 2018, Comstock Holding Companies, Inc. (“Comstock” , “CHCI” or the “Company”) entered into a Note Exchange and Subscription Agreement (the “Note Exchange Agreement”) in which a note (“CGF2 Note”) with an outstanding principal and accrued interest balance of $3.7 million was exchanged for 738,390 shares of the Company’s Series C Non-Convertible Preferred Stock, par value $0.01 per share and a stated liquidation value of $5.00 per share (the “Series C Preferred Stock”), issued by the Company to Comstock Growth Fund II, L.C. (“CGF2”), a Company wholly owned by our Chief Executive Officer. The CGF2 Note was cancelled in its entirety effective as of the Effective Date. As a result of the conversion of CGF & CGF2 notes, the Company recognized a gain of $3.7 million, which was recorded in ‘Additional paid-in capital’ in the consolidated balance sheet and an income tax benefit of $0.5 million, which was recorded in the consolidated statement of operations for the year ended 2018. See Note 17 for a summary of the Comstock VIII Private Placement which involved certain of our officers and directors and Note 12 to the consolidated financial statements for further description of the CGF Private Placement. Services Agreement On February 23, 2009, Comstock Homes of Washington, L.C., a wholly-owned subsidiary of the Company, entered into a Services Agreement with Comstock Asset Management, L.C., an entity wholly-owned by the Chief Executive Officer, to provide services related to real estate development and improvements, legal, accounting, marketing, information technology and additional support services. For the years ended December 31, 2018, the Company billed Comstock Asset Management, L.C. $0.12 million for services and out-of-pocket expenses incurred. Revenues from this arrangement are included within ‘Revenue – asset management’ within the accompanying consolidated statements of operations. As of December 31, 2018 the Company was not owed under this contract.

Related Party Transactions

3 Months Ended

Mar. 31, 2019

18. RELATED PARTY TRANSACTIONS

Lease for Corporate Headquarters

The Company has a lease for its corporate headquarters from an affiliate wholly-owned by our CEO. Future minimum lease payments under this lease, which expires on September 30, 2019, is $0.4 million.

For each of the three months ended March 31, 2019 and 2018, total rental payments made were $138 thousand and $53 thousand, respectively. Rent expense for the three months ended March 31, 2019 and 2018 was $138 thousand and $53 thousand, respectively.

Asset Management Agreement

On March 30, 2018, CDS Asset Management, L.C. (“CAM”), an entity wholly owned by the Company, entered into a master asset management agreement (the “AMA”) with Comstock Development Services LC (“CDS”), an entity wholly owned by Christopher Clemente, the Chief Executive Officer of the Company. The effective date of this Agreement is January 2, 2018. Pursuant to the AMA, CDS has engaged CAM to manage and administer the CDS’ commercial real estate portfolio and the day to-day operations of CDS and each property-owning subsidiary of CDS. Pursuant to the terms of the AMA, CAM will provide investment advisory, development and asset management services necessary to build out, stabilize and manage certain assets.

Pursuant to the AMA, CDS will pay CAM an annual cost-plus fee (the “Annual Fee”) in an aggregate amount equal to the sum of (i) the employment expenses of personnel dedicated to providing services to the Comstock Real Estate Portfolio pursuant to the AMA, (ii) the costs and expenses of the Company related to maintaining the listing of its shares on a securities exchange and complying with regulatory and reporting obligations as a public company, and (iii) a fixed annual payment of $1,000,000. During the three months ended March 31, 2019, the Company recorded revenue of $3.6 million which is included in ‘Revenue-asset management’ in the consolidated statement of operations).

On April 30, 2019 the Company entered into an amended and restated master asset management agreement. Refer to Note 22 – Subsequent Events for further information on the transaction.

Private Placements and Promissory Notes

On December 29, 2015, the Company and Stonehenge Funding, L.C. (“Stonehenge”), an entity wholly owned by our Chief Executive Officer, entered into a Note Exchange and Subscription Agreement pursuant to which the note in the original principal amount of $4.5 million issued to the Company by Stonehenge was cancelled in its entirety and exchanged for 772,210 shares of the Company’s Series B Non-Convertible Preferred Stock, par value $0.01 per share and a stated value of $5.00 per share (the “Series B Preferred Stock”). The number of shares of Series B Preferred Stock received by Stonehenge in exchange for the note represented the principal amount outstanding plus accrued interest under the note as of December 29, 2015, which was $3.9 million. The holders of Series B Preferred Stock earned dividends at a rate of 8.75% per annum accruing from the effective date of the Note Exchange and Subscription Agreement.

On December 29, 2015, Comstock Growth Fund II, L.C. (“CGF II”), an administrative entity managed by the Company, was created for the purpose of extending loans to the Company. CGF II entered into a subscription agreement with CDS pursuant to which CDS purchased membership interests in CGF II for an initial aggregate principal amount of $5.0 million (the “CGF II Private Placement”). Also on December 29, 2015, the Company entered into a revolving line of credit promissory note with CGF II whereby CGF II made a loan to the Company in the initial principal amount of $5.0 million and a maximum amount available for borrowing of up to $10.0 million with a two-year term, which may be extended an additional year. The interest rate is 10% per annum, and interest payments will be accrued and paid in kind monthly for the first year, and then paid current monthly in arrears beginning December 31, 2016. On December 29, 2017, the CGF II loan was extended one year to December 31, 2018. On May 23, 2018, Comstock Holding Companies, Inc. (“Comstock” , “CHCI” or the “Company”) entered into a Note Exchange and Subscription Agreement (the “Note Exchange Agreement”) in which a note (“CGF2 Note”) with an outstanding principal and accrued interest balance of $3.7 million was exchanged for 738,390 shares of the Company’s Series C Non-Convertible Preferred Stock, par value $0.01 per share and a stated liquidation value of $5.00 per share (the “Series C Preferred Stock”), issued by the Company to Comstock Growth Fund II, L.C. (“CGF2”), a Company wholly owned by our Chief Executive Officer. The CGF2 Note was cancelled in its entirety effective as of the Effective Date. As a result of the conversion of CGF & CGF2 notes, the Company recognized a gain of $3.7 million, which was recorded in ‘Additional paid-in capital’ in the consolidated balance sheet and an income tax benefit of $0.5 million, which was recorded in the consolidated statement of operations for the year ended 2018.

See Note 17 for a summary of the Comstock VIII Private Placement which involved certain of our officers and directors and Note 12 to the consolidated financial statements for further description of the CGF Private Placement.

Services Agreement

On February 23, 2009, Comstock Homes of Washington, L.C., a wholly-owned subsidiary of the Company, entered into a Services Agreement with Comstock Asset Management, L.C., an entity wholly-owned by the Chief Executive Officer, to provide services related to real estate development and improvements, legal, accounting, marketing, information technology and additional support services. For the years ended December 31, 2018, the Company billed Comstock Asset Management, L.C. $0.12 million for services and out-of-pocket expenses incurred. Revenues from this arrangement are included within ‘Revenue – asset management’ within the accompanying consolidated statements of operations. As of December 31, 2018 the Company was not owed under this contract.