Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Accounting Policies [Abstract] | |||
| Maturity of liquid investments | three months or less | ||
| Minimum percentage of taxable income to be distributed | 90.00% | ||
| New Accounting Pronouncements and Changes in Accounting Principles [Abstract] | |||
| Real Estate Tax Expense | $ 7,517 | $ 7,734 | |
| Restricted Cash | $ 131,598 | 7,271 | |
| Prepayments of Penalties Associated with Retirement of Debt | 0 | 0 | 1,453 |
| Operating Lease Right-of-Use Assets | 24,877 | 0 | |
| Operating Lease Liabilities | 22,369 | 0 | |
| In-Place Leases and Tenant Relationships | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Amortization of Intangible Assets | 6,303 | 6,267 | 6,648 |
| Above and Below Market Leases | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Amortization of Intangible Assets | $ 1,281 | $ 1,095 | $ 1,116 |