Related Party Transactions and Arrangements - Narrative (Details) $ / shares in Units, $ in Thousands | | | | | | 1 Months Ended | 3 Months Ended | 12 Months Ended | |
May 10, 2024 day $ / shares shares | May 01, 2024 USD ($) day $ / shares shares | Apr. 01, 2024 day shares | Nov. 16, 2018 | Apr. 13, 2018 | May 10, 2024 day $ / shares shares | Apr. 30, 2024 day $ / shares shares | Mar. 31, 2024 day $ / shares shares | Jan. 31, 2023 day $ / shares shares | Mar. 31, 2024 USD ($) day $ / shares shares | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) shares | Jun. 29, 2020 |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Common stock, shares outstanding (in shares) | shares | | | | | | | | 2,403,994 | | 2,403,994 | | 2,334,340 | |
Renewal term | | | | | | | | | | 5 years | | | |
Period prior to expiration date needed to terminate agreement | | | | 180 days | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | $ 3,295 | $ 3,245 | | |
Common Class A | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Number of trading days | day | | | | | | | | 10 | 10 | 10 | | | |
Property Management and Leasing Fees, Paid with Shares | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | $ 500 | 500 | | |
Professional fees and other reimbursements | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | 1,392 | 1,361 | | |
New York City Reit Advisors, LLC | Asset Management Fees | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | 1,000 | 1,000 | | |
New York City Reit Advisors, LLC | Asset Management Fees Paid in Shares | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | 500 | 500 | | |
New York City Reit Advisors, LLC | Asset Management Fees Paid in Shares | Common Class A | Subsequent event | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | $ 500 | | | | | | | | | | | |
New York City Reit Advisors, LLC | Property Management Fees | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | 400 | 400 | | |
New York City Reit Advisors, LLC | Reimbursement of Costs and Expenses | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, amount | | | | | | | | | | $ 1,200 | 1,000 | | |
American Strategic Investment Co. | Bellevue | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Ownership percentage | | | | | | | | 47% | | 47% | | 45.40% | |
Related Party | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Common stock, shares outstanding (in shares) | shares | | | | | | | | 361,544 | | 361,544 | | 290,937 | |
Management fee expense | | | | | | | | | | $ 1,500 | 1,500 | | |
Renewal basis percentage | | | | | | | | | | 66% | | | |
Related Party | Common Class A | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Shares issued for management fees (in shares) | shares | | | | | | | | 70,607 | 31,407 | | | | |
Number of trading days | day | | | | | | | | | 10 | | | | |
Average share price (in dollars per share) | $ / shares | | | | | | | | $ 7.08 | $ 15.92 | $ 7.08 | | | |
Related Party | Common Class A | Subsequent event | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Shares issued for management fees (in shares) | shares | 83,543 | 83,543 | 91,165 | | | | 91,165 | | | | | | |
Number of trading days | day | | 10 | 10 | | | | | | | | | | |
Average share price (in dollars per share) | $ / shares | $ 6.04 | $ 6.04 | | | | $ 6.04 | $ 6.64 | | | | | | |
Average share price, number of days | day | 10 | 10 | 10 | | | 10 | 10 | | | | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction, termination fee | | | | | | | | | | $ 15,000 | | | |
Related Party | New York City Reit Advisors, LLC | Subsequent event | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Shares issued for management fees (in shares) | shares | | | | | | 22,857 | | | | | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Base asset management fee as a percentage of benchmark | | | | | | | | | | $ 500 | | | |
Asset management fee, percentage of benchmark | | | | | | | | | | 1.25% | | | |
Variable management fee as a percentage of benchmark | | | | | | | | | | 10% | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement | Performance-based equity award | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Variable management fee as a percentage of benchmark | | | | | | | | | | 15% | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement | Minimum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Dividend to common stockholders (in dollars per share) | $ / shares | | | | | | | | | | $ 0.05 | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement, Core Earnings Per Adjusted Share | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Variable management fee (in dollars per share) | $ / shares | | | | | | | | | | 0.1944 | | | |
Related Party | New York City Reit Advisors, LLC | The Second Advisory Agreement, Core Earnings Per Adjusted Share | Performance-based equity award | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Variable management fee (in dollars per share) | $ / shares | | | | | | | | | | $ 0.1458 | | | |
Related Party | New York City Reit Advisors, LLC | Asset Management Fees | Subsequent event | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Shares issued for management fees (in shares) | shares | | | 22,857 | | | | | | | | | | |
Related Party | New York City Reit Advisors, LLC | Gross Revenue, Stand-alone Single-tenant Net Leased Properties | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Percentage of management fees earned | | | | 3.25% | 4% | | | | | | | | |
Related party initial term | | | | | 1 year | | | | | | | | |
Related party extended initial term | | | | | 1 year | | | | | | | | |
Other related parties terminate notice period | | | | | 60 days | | | | | | | | |
Related Party | New York City Reit Advisors, LLC | Reimbursement of Costs and Expenses | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction related to administrative and overhead expenses | | | | | | | | | | $ 300 | 200 | | |
Related party transactions related to salaries, wages and benefits | | | | | | | | | | 900 | $ 800 | | |
Related Party | New York City Reit Advisors, LLC | Reimbursement of Costs and Expenses | Maximum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Related party transaction related to administrative and overhead expenses | | | | | | | | | | 400 | | | |
Asset cost | | | | | | | | | | 1,250,000 | | | |
Related party transactions related to salaries, wages and benefits | | | | | | | | | | $ 3,000 | | $ 2,600 | |
Related Party | New York City Reit Advisors, LLC | Reimbursement of Administrative and Overhead Expenses | Maximum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Operating expenses as a percentage of benchmark | | | | | | | | 0.10% | | 0.10% | | | |
Related Party | New York City Reit Advisors, LLC | Reimbursement of Wage and Benefit Expenses | Maximum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Operating expenses as a percentage of benchmark | | | | | | | | 0.30% | | 0.30% | | | |
Related Party | New York City Reit Advisors, LLC | Termination Prior to June 30, 2020 | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Termination fee multiplier | | | | | | | | | | | | | 3 |
Related Party | New York City Reit Advisors, LLC | Termination After June 30, 2020 | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Termination fee multiplier | | | | | | | | | | | | | 4 |
Related Party | New York City Reit Advisors, LLC | Actual Base Management Fee | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Termination fee multiplier | | | | | | | | | | | | | 12 |
Related Party | New York City Reit Advisors, LLC | Actual Variable Management Fee | The Second Advisory Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Termination fee multiplier | | | | | | | | | | | | | 4 |
Related Party | New York City Reit Advisors, LLC | General and administrative expense | Subsequent event | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Shares issued for management fees (in shares) | shares | | | | | | 68,308 | | | | | | | |