v3.7.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
|
|
|
Common Shares |
|
|
Common stock, par value (in USD per share) |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized (in shares) |
490,000,000
|
490,000,000
|
Common stock, shares outstanding (in shares) |
47,130,063
|
45,732,109
|
Common stock, shares issued (in shares) |
47,130,063
|
45,732,109
|
American Assets Trust, L.P. |
|
|
Limited partners' capital, units issued (in shares) |
17,194,980
|
17,888,822
|
Limited partners' capital, units outstanding (in shares) |
17,194,980
|
17,888,822
|
General partners' capital, units issued (in shares) |
47,130,063
|
45,732,109
|
General partners' capital, units outstanding (in shares) |
47,130,063
|
45,732,109
|
X |
- DefinitionFace amount or stated value per share of common stock.
+ References
+ Details
Name: |
us-gaap_CommonStockParOrStatedValuePerShare |
Namespace Prefix: |
us-gaap_ |
Data Type: |
num:perShareItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionThe maximum number of common shares permitted to be issued by an entity's charter and bylaws.
+ References
+ Details
Name: |
us-gaap_CommonStockSharesAuthorized |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionTotal number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
+ References
+ Details
Name: |
us-gaap_CommonStockSharesIssued |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionNumber of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
+ References
+ Details
Name: |
us-gaap_CommonStockSharesOutstanding |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionThe number of general partner units issued.
+ References
+ Details
Name: |
us-gaap_GeneralPartnersCapitalAccountUnitsIssued |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionThe number of general partner units outstanding.
+ References
+ Details
Name: |
us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionThe number of limited partner units issued.
+ References
+ Details
Name: |
us-gaap_LimitedPartnersCapitalAccountUnitsIssued |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- DefinitionThe number of limited partner units outstanding.
+ References
+ Details
Name: |
us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding |
Namespace Prefix: |
us-gaap_ |
Data Type: |
xbrli:sharesItemType |
Balance Type: |
na |
Period Type: |
instant |
|
X |
- Details
Name: |
us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember |
Namespace Prefix: |
|
Data Type: |
na |
Balance Type: |
|
Period Type: |
|
|
X |
- Details
Name: |
dei_LegalEntityAxis=aat_AmericanAssetsTrustL.P.Member |
Namespace Prefix: |
|
Data Type: |
na |
Balance Type: |
|
Period Type: |
|
|
|