Secured Notes Payable and Revolving Credit Facility, Net - Schedule of Secured Notes Payable and Revolving Credit Facility (Details) | 1 Months Ended | 9 Months Ended | | | | | |
Mar. 31, 2019USD ($)property | Sep. 30, 2019USD ($)collateral_poolproperty | Dec. 01, 2020 | Jul. 01, 2020 | Apr. 01, 2020 | Mar. 02, 2020 | Dec. 31, 2018USD ($) |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | $ 4,213,446,000 | | | | | $ 4,163,982,000 |
Unamortized loan premium, net | | 3,832,000 | | | | | 3,986,000 |
Unamortized deferred loan costs, net | | (40,311,000) | | | | | (33,938,000) |
Total Consolidated Debt, Net | | $ 4,176,967,000 | | | | | 4,134,030,000 |
Minimum number of separate collateral pools used to secure loans | collateral_pool | | 1 | | | | | |
Minimum number of properties in collateral pools | property | | 1 | | | | | |
Number of previously encumbered properties released | property | 2 | | | | | | |
Secured Debt | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Loan agreement LIBOR floor | | 0.00% | | | | | |
Secured Debt | Term Loan at 4.55% Jun 01 2038 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal amortization period (in years) | | 30 years | | | | | |
Wholly Owned Subsidiaries | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | $ 3,073,446,000 | | | | | 3,183,982,000 |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan with Maturity Oct 01 2019 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 145,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan with Maturity Dec 01 2025 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 115,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.62% Dec 23 2023 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 220,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.77% Apr 15 2022 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 340,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.64% Nov 01 2022 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 400,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.06% Jul 27 2022 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Principal Balance | | | | | | | 180,000,000 |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.57% Jun 23 2023 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 23, 2023 | | | | | |
Principal Balance | | $ 360,000,000 | | | | | 360,000,000 |
Variable Interest Rate | | LIBOR + 1.55% | | | | | |
Fixed Interest Rate | | 2.57% | | | | | |
Swap Maturity Date | | Jul. 1, 2021 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.57% Jun 23 2023 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.55% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.46% Jan 01 2024 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jan. 1, 2024 | | | | | |
Principal Balance | | $ 300,000,000 | | | | | 300,000,000 |
Variable Interest Rate | | LIBOR + 1.55% | | | | | |
Fixed Interest Rate | | 3.46% | | | | | |
Swap Maturity Date | | Jan. 1, 2022 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.46% Jan 01 2024 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.55% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.84% Mar 03 2025 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Mar. 3, 2025 | | | | | |
Principal Balance | | $ 335,000,000 | | | | | 335,000,000 |
Variable Interest Rate | | LIBOR + 1.30% | | | | | |
Fixed Interest Rate | | 3.84% | | | | | |
Swap Maturity Date | | Mar. 1, 2023 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 3.84% Mar 03 2025 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.30% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.84% Apr 01 2025 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Apr. 1, 2025 | | | | | |
Principal Balance | | $ 102,400,000 | | | | | 102,400,000 |
Variable Interest Rate | | LIBOR + 1.25% | | | | | |
Fixed Interest Rate | | 2.84% | | | | | |
Swap Maturity Date | | Mar. 1, 2023 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.84% Apr 01 2025 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.25% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.58% Aug 15 2026 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Aug. 15, 2026 | | | | | |
Principal Balance | | $ 415,000,000 | | | | | 0 |
Variable Interest Rate | | LIBOR + 1.10% | | | | | |
Fixed Interest Rate | | 2.58% | | | | | |
Swap Maturity Date | | Aug. 1, 2025 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.58% Aug 15 2026 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.10% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.44% Sep 19 2026 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Sep. 19, 2026 | | | | | |
Principal Balance | | $ 400,000,000 | | | | | 0 |
Variable Interest Rate | | LIBOR + 1.15% | | | | | |
Fixed Interest Rate | | 2.44% | | | | | |
Swap Maturity Date | | Sep. 1, 2024 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.44% Sep 19 2026 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.15% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.77% Sep 26 2026 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Sep. 26, 2026 | | | | | |
Principal Balance | | $ 200,000,000 | | | | | 0 |
Variable Interest Rate | | LIBOR + 1.20% | | | | | |
Fixed Interest Rate | | 2.77% | | | | | |
Swap Maturity Date | | Oct. 1, 2024 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.77% Sep 26 2026 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.20% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 3.16% Jun 01 2027 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 1, 2027 | | | | | |
Principal Balance | | $ 550,000,000 | | | | | 550,000,000 |
Variable Interest Rate | | LIBOR + 1.37% | | | | | |
Fixed Interest Rate | | 3.16% | | | | | |
Swap Maturity Date | | Jun. 1, 2022 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 3.16% Jun 01 2027 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.37% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 3.26% Jun 01 2029 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 1, 2029 | | | | | |
Principal Balance | | $ 255,000,000 | | | | | 0 |
Variable Interest Rate | | LIBOR + 0.98% | | | | | |
Fixed Interest Rate | | 3.26% | | | | | |
Swap Maturity Date | | Jun. 1, 2027 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 3.26% Jun 01 2029 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 0.98% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.55% Jun 01 2029 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 1, 2029 | | | | | |
Principal Balance | | $ 125,000,000 | | | | | 0 |
Variable Interest Rate | | LIBOR + 0.98% | | | | | |
Fixed Interest Rate | | 2.55% | | | | | |
Swap Maturity Date | | Jun. 1, 2027 | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.55% Jun 01 2029 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 0.98% | | | | | |
Wholly Owned Subsidiaries | Secured Debt | Term Loan at 4.55% Jun 01 2038 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 1, 2038 | | | | | |
Principal Balance | | $ 31,046,000 | | | | | 31,582,000 |
Fixed Interest Rate | | 4.55% | | | | | |
Wholly Owned Subsidiaries | Line of Credit | Revolving Credit Facility with Maturity Aug 21 2023 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Aug. 21, 2023 | | | | | |
Principal Balance | | $ 0 | | | | | 105,000,000 |
Variable Interest Rate | | LIBOR + 1.15% | | | | | |
Maximum borrowing capacity | $ 400,000,000 | | | | | | |
Loan agreement LIBOR floor | | 0.00% | | | | | |
Wholly Owned Subsidiaries | Line of Credit | Revolving Credit Facility with Maturity Aug 21 2023 | Minimum | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Unused commitment fees (as a percent) | | 0.10% | | | | | |
Wholly Owned Subsidiaries | Line of Credit | Revolving Credit Facility with Maturity Aug 21 2023 | Maximum | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Unused commitment fees (as a percent) | | 0.15% | | | | | |
Wholly Owned Subsidiaries | Line of Credit | Revolving Credit Facility with Maturity Aug 21 2023 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.15% | | | | | |
Consolidated JV | Secured Debt | Term Loan at 2.37% Feb 28 2023 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Feb. 28, 2023 | | | | | |
Principal Balance | | $ 580,000,000 | | | | | 580,000,000 |
Variable Interest Rate | | LIBOR + 1.40% | | | | | |
Fixed Interest Rate | | 2.37% | | | | | |
Swap Maturity Date | | Mar. 1, 2021 | | | | | |
Consolidated JV | Secured Debt | Term Loan at 2.37% Feb 28 2023 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.40% | | | | | |
Consolidated JV | Secured Debt | Term Loan at 3.47% Dec 19 2024 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Dec. 19, 2024 | | | | | |
Principal Balance | | $ 400,000,000 | | | | | 400,000,000 |
Variable Interest Rate | | LIBOR + 1.30% | | | | | |
Fixed Interest Rate | | 3.47% | | | | | |
Swap Maturity Date | | Jan. 1, 2023 | | | | | |
Consolidated JV | Secured Debt | Term Loan at 3.47% Dec 19 2024 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 1.30% | | | | | |
Consolidated JV | Secured Debt | Term Loan at 3.25% Jun 01 2029 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Maturity Date | | Jun. 1, 2029 | | | | | |
Principal Balance | | $ 160,000,000 | | | | | $ 0 |
Variable Interest Rate | | LIBOR + 0.98% | | | | | |
Fixed Interest Rate | | 3.25% | | | | | |
Swap Maturity Date | | Jul. 1, 2027 | | | | | |
Consolidated JV | Secured Debt | Term Loan at 3.25% Jun 01 2029 | LIBOR | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Variable Interest Rate - basis spread (percent) | | 0.98% | | | | | |
Forecast | Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.84% Apr 01 2025 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Fixed Interest Rate | | | | | | 2.76% | |
Forecast | Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.58% Aug 15 2026 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Fixed Interest Rate | | | | | 3.07% | | |
Forecast | Wholly Owned Subsidiaries | Secured Debt | Term Loan at 2.77% Sep 26 2026 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Fixed Interest Rate | | | | 2.36% | | | |
Forecast | Wholly Owned Subsidiaries | Secured Debt | Fannie Mae Loan at 2.55% Jun 01 2029 | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Fixed Interest Rate | | | 3.25% | | | | |