XML 41 R8.htm IDEA: XBRL DOCUMENT
v3.2.0.727

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
8.25% Series A preferred stock |  |  |
Preferred stock, dividend rate (as a percent) | 8.25% | 8.25% | 8.25%
7.75% Series B preferred stock |  |  |
Preferred stock, dividend rate (as a percent) | 7.75% | 7.75% | 7.75%
8.50% Series C preferred stock |  |  |
Preferred stock, dividend rate (as a percent) | 8.50% | 8.50% | 8.50%

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=abr_SeriesACumulativeRedeemablePreferredStock8.25PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=abr_SeriesBCumulativeRedeemablePreferredStock7.75PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=abr_SeriesCCumulativeRedeemablePreferredStock8.50PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |