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Equity Incentive Plan - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
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Jan. 17, 2023 shares | Mar. 01, 2022 shares | Mar. 01, 2021 $ / shares shares | Mar. 01, 2020 shares | Mar. 01, 2019 shares | Mar. 01, 2018 shares | Mar. 01, 2017 shares | Jan. 31, 2022 shares | Jan. 31, 2021 shares | Jan. 31, 2020 shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | May 24, 2022 shares
Independent Trustees |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trustee fees | $ |  |  |  |  |  |  |  |  |  |  | $ 100 | $ 100 | $ 100 |
Common shares issued as compensation for services performed (in shares) |  |  |  |  |  |  |  | 34,672 | 40,203 | 24,516 |  |  |  |
Independent Trustees | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares issued as compensation for services performed (in shares) | 43,378 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trustee fees paid in shares (up to 100%) (at least 50%) (in percentage) |  |  |  |  |  |  |  |  |  |  | 58.00% |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trustee fees paid in shares (up to 100%) (at least 50%) (in percentage) |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600,000
Common shares available for issuance (in shares) |  |  |  |  |  |  |  |  |  |  | 1,765,149 |  |  |
Equity Incentive Plan | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period for share awards under equity |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Equity Incentive Plan | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period for share awards under equity |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation costs | $ |  |  |  |  |  |  |  |  |  |  | $ 61 | 100 |  |
Weighted - average period for recognition of unrecognized compensation costs |  |  |  |  |  |  |  |  |  |  | 1 year 7 months 6 days |  |  |
Compensation expense recognized | $ |  |  |  |  |  |  |  |  |  |  | $ 38 | $ 44 | $ 30 |
Shares granted (in shares) |  |  |  |  |  |  |  |  |  |  | 0 | 10,000 | 0 |
Long Term Incentive Plan Units |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted - average period for recognition of unrecognized compensation costs |  |  |  |  |  |  |  |  |  |  | 1 year 9 months 18 days |  |  |
Compensation expense recognized | $ |  |  |  |  |  |  |  |  |  |  | $ 5,000 | $ 4,300 | $ 4,400 |
Exchange ratio |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  |  |  |  | 380,004 | 330,945 | 325,507 |
Total unrecognized compensation cost related to LTIP Units | $ |  |  |  |  |  |  |  |  |  |  | $ 6,500 | $ 5,400 |  |
Time-Based LTIP Unit Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  | 152,004 | 132,381 | 130,206 | 88,746 | 97,968 | 89,574 |  |  |  |  |  |  |
Time-Based LTIP Unit Awards | Awarded March 1, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  | 152,004 |  |  |  |  |  |  |  |  |  |  |
Performance-Based LTIP Unit Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  | 228,000 | 198,564 | 195,301 | 133,107 | 146,949 | 134,348 |  |  |  |  |  |  |
Performance-Based LTIP Unit Awards | Awarded March 1, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  | 228,000 |  |  |  |  |  |  |  |  |  |  |
Grants in period, intrinsic value, amount (in dollars per share) | $ / shares |  |  | $ 18.58 |  |  |  |  |  |  |  |  |  |  |
Performance-Based LTIP Unit Awards | Minimum | Awarded March 1, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of target value to be paid out |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |
Performance-Based LTIP Unit Awards | Maximum | Awarded March 1, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of target value to be paid out |  |  |  |  |  |  |  |  |  |  | 200.00% |  |  |
2010 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days preceding the reporting date for which average of closing price of common shares is taken |  |  |  |  |  |  |  |  |  |  | 10 days |  |  |

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