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Debt - Components of Mortgage Debt (Footnotes) (Details) | Aug. 04, 2020 USD ($) Hotel | May 06, 2020 USD ($) Hotel | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | --- | --- | ---
Participating Mortgage Loans [Line Items] |  |  |  |
Outstanding borrowing under the revolving credit facility |  |  | $ 135,300,000 | $ 90,000,000
Construction Debt [Member] | Warner Center |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Number of extension options | Hotel | 2 |  |  |
Debt instrument, face amount | $ 40,000,000 |  |  |
Debt instrument, term | 4 years |  |  |
LIBOR | Construction Debt [Member] | Warner Center |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate | 7.50% |  |  |
Base Rate | Construction Debt [Member] | Warner Center |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate | 0.25% |  |  |
Senior Unsecured Revolving Credit Facility |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Floor interest rate |  | 0.50% |  |
Borrowing capacity (up to) |  | $ 200,000,000 | 250,000,000 |
Outstanding borrowing under the revolving credit facility |  |  | $ 135,300,000 | $ 90,000,000.0
Number of extension options | Hotel |  | 2 |  |
Period of extension options |  | 6 months |  |
Senior Unsecured Revolving Credit Facility | LIBOR | Minimum |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 2.50% |  |
Senior Unsecured Revolving Credit Facility | LIBOR | Maximum |  |  |  |
Participating Mortgage Loans [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate |  | 3.00% |  |

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- Definition Debt Instrument, Period Of Extension Options + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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