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Derivative Instruments - Summary of Derivative Financial Instruments (Detail) |  |  |  |  |  |  |  | 9 Months Ended | 12 Months Ended |  |  |  |
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Jul. 05, 2023 CAD ($) | Apr. 12, 2023 CAD ($) | Oct. 12, 2022 CAD ($) | Apr. 12, 2022 CAD ($) | May 06, 2021 CAD ($) | Apr. 12, 2021 CAD ($) | Feb. 10, 2021 CAD ($) | Sep. 30, 2023 CAD ($) $ / Unit | Dec. 31, 2022 CAD ($) $ / Unit | Dec. 31, 2021 CAD ($) $ / Unit | Oct. 12, 2023 CAD ($) | Sep. 30, 2023 USD ($) $ / Unit | Dec. 31, 2022 USD ($) $ / Unit | Dec. 31, 2021 USD ($) $ / Unit
Interest Rate Swap | LIBOR Swap Effective June 15, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 235,000,000
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  |  |  |  | 1.79% |  |  |  | 1.79%
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  |  |  |  | Jun. 15, 2019 |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  |  |  |  | Feb. 15, 2022 |  |  |  |
Interest Rate Cap | SOFR Cap June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 125,000,000 |
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  |  |  | 1.75% |  |  |  | 1.75% |
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  |  |  | Jun. 01, 2022 |  |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  |  |  | Jun. 30, 2023 |  |  |  |  |
Interest Rate Cap | SOFR Cap June 28, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 125,000,000 | $ 125,000,000 |
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  | 2.00% |  | 2.00% |  |  | 2.00% | 2.00% |
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  | Jun. 01, 2022 |  | Jun. 01, 2022 |  |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  | Jun. 28, 2024 |  | Jun. 28, 2024 |  |  |  |  |
Interest Rate Cap | SOFR Cap December 1, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | $ 100,000,000 |
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  | 4.75% |  | 4.75% |  |  | 4.75% | 4.75% |
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  | Dec. 01, 2022 |  | Dec. 01, 2022 |  |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  | Dec. 02, 2024 |  | Dec. 02, 2024 |  |  |  |  |
Interest Rate Cap | SOFR Cap December 1, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | $ 100,000,000 |
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  | 4.75% |  | 4.75% |  |  | 4.75% | 4.75% |
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  | Dec. 01, 2022 |  | Dec. 01, 2022 |  |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  | Dec. 01, 2025 |  | Dec. 01, 2025 |  |  |  |  |
Interest Rate Cap | SOFR Cap December 2, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | $ 100,000,000 |
Interest Rate Swaps, Strike |  |  |  |  |  |  |  |  | 4.75% |  | 4.75% |  |  | 4.75% | 4.75% |
Interest Rate Swaps, Effective Date or Date Assumed |  |  |  |  |  |  |  |  | Dec. 01, 2022 |  | Dec. 01, 2022 |  |  |  |  |
Interest Rate Swaps, Maturity Date |  |  |  |  |  |  |  |  | Dec. 02, 2024 |  | Dec. 02, 2024 |  |  |  |  |
Foreign Currency Forward |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 95,000,000 |  |  |  |  |  |  |  |
Foreign Currency Forward, Notional Amount |  | $ 132,400,000 | $ 134,400,000 | $ 126,200,000 | $ 122,000,000 | $ 122,000,000 | $ 125,900,000 |  |  |  |  |  | $ 137,700,000 |  |  |
Foreign Currency Forward, Maturity Date |  | Apr. 12, 2024 | Jul. 06, 2023 | Oct. 12, 2023 | Oct. 12, 2022 | Apr. 12, 2022 | Apr. 12, 2023 | Apr. 12, 2021 |  |  |  |  |  |  |  |
Foreign Currency Forward | Denominated in CAD April 12, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Forward, Notional Amount | [1] |  |  |  |  |  |  |  |  |  | $ 125,925,000 | $ 125,925,000 |  |  |  |
Foreign Currency Forward, Strike | $ / Unit | [1] |  |  |  |  |  |  |  |  |  | 1.2593 | 1.2593 |  |  | 1.2593 | 1.2593
Foreign Currency Forward, Effective Date or Date Assumed | [1] |  |  |  |  |  |  |  |  |  | Apr. 12, 2021 | Apr. 12, 2021 |  |  |  |
Foreign Currency Forward, Maturity Date | [1] |  |  |  |  |  |  |  |  |  | Apr. 12, 2023 | Apr. 12, 2023 |  |  |  |
Foreign Currency Forward | Denominated in CAD October 12, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Forward, Notional Amount | [1] |  |  |  |  |  |  |  | $ 137,680,000 |  | $ 137,680,000 |  |  |  |  |
Foreign Currency Forward, Strike | $ / Unit | [1] |  |  |  |  |  |  |  | 1.3768 |  | 1.3768 |  |  | 1.3768 | 1.3768 |
Foreign Currency Forward, Effective Date or Date Assumed | [1] |  |  |  |  |  |  |  | Oct. 12, 2022 |  | Oct. 12, 2022 |  |  |  |  |
Foreign Currency Forward, Maturity Date | [1] |  |  |  |  |  |  |  | Oct. 12, 2023 | [2] | Oct. 12, 2023 |  |  |  |  |
Foreign Currency Forward | Denominated in CAD |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Forward, Notional Amount | [1] |  |  |  |  |  |  |  |  |  |  | $ 122,020,000 |  |  |  |
Foreign Currency Forward, Strike | $ / Unit | [1] |  |  |  |  |  |  |  |  |  |  | 1.2202 |  |  |  | 1.2202
Foreign Currency Forward, Effective Date or Date Assumed | [1] |  |  |  |  |  |  |  |  |  |  | May 06, 2021 |  |  |  |
Foreign Currency Forward, Maturity Date | [1] |  |  |  |  |  |  |  |  |  |  | Apr. 12, 2022 |  |  |  |
Foreign Currency Forward | Denominated in CAD April 12, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Forward, Notional Amount | [1] |  |  |  |  |  |  |  | $ 132,350,000 |  |  |  |  |  |  |
Foreign Currency Forward, Strike | $ / Unit | [1] |  |  |  |  |  |  |  | 1.3273 |  |  |  |  | 1.3273 |  |
Foreign Currency Forward, Effective Date or Date Assumed | [1] |  |  |  |  |  |  |  | Jul. 05, 2023 |  |  |  |  |  |  |
Foreign Currency Forward, Maturity Date | [1] |  |  |  |  |  |  |  | Apr. 12, 2024 |  |  |  |  |  |  |
[1] | Notional amounts shown are denominated in CAD.
[2] | On October 11, 2023, we rolled this hedge without any cash settlement, effectively extending the maturity date to November 9, 2023 at a strike rate of 1.3766, and notional of $137,664,000 CAD. On November 9, 2023, we rolled this hedge without any cash settlement, effectively extending the maturity date to November 16, 2023 at a strike rate of 1.3767, and notional of $137,669,000 CAD.

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