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Equity (Tables)
3 Months Ended
Mar. 31, 2013
Notes To Financial Statements [Abstract]  
Total Equity and its Components
  
MAALP Unitholders
 
 
 
 
 
Limited Partner
 
General Partner
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Noncontrolling
Interest
 
Total
Partnership Capital
CAPITAL BALANCE DECEMBER 31, 2012
$
30,993

 
$
706,296

 
$
(26,881
)
 
$
14,811

 
$
725,219

Net income
808

 
18,751

 
 
 
159

 
19,718

Other comprehensive income - derivative instruments (cash flow hedges)
 
 
 
 
4,357

 


 
4,357

Issuance of units
 
 
22,058

 
 
 
 
 
22,058

Units repurchased and retired
 
 
(673
)
 
 
 
 
 
(673
)
General partner units issued in exchange for limited partner units
(443
)
 
443

 
 
 


 

Redeemable units fair market value adjustment
 
 
(319
)
 
 
 
 
 
(319
)
Adjustment for noncontrolling interest ownership in subsidiaries
665

 
(664
)
 
 
 
(1
)
 

Amortization of unearned compensation
 
 
630

 
 
 
 
 
630

Distributions ($0.6950 per unit)
(1,187
)
 
(27,871
)
 
 
 
 
 
(29,058
)
CAPITAL BALANCE MARCH 31, 2013
$
30,836

 
$
718,651

 
$
(22,524
)
 
$
14,969

 
$
741,932

  
MAALP Unitholders
 
 
 
 
 
Limited Partner
 
General Partner
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Noncontrolling
Interest
 
Total Partnership Capital
CAPITAL BALANCE DECEMBER 31, 2011
$
28,729

 
$
538,623

 
$
(38,579
)
 
$
13,362

 
$
542,135

Net income
1,105

 
21,231

 


 
148

 
22,484

Other comprehensive income - derivative instruments (cash flow hedges)


 


 
4,250

 


 
4,250

Issuance of units
 
 
120,143

 


 


 
120,143

Units repurchased and retired
 
 
(9,541
)
 


 


 
(9,541
)
General partner units issued in exchange for limited partner units
(28
)
 
28

 


 


 

Redeemable units fair market value adjustment
 
 
(293
)
 


 


 
(293
)
Adjustment for noncontrolling interest ownership in subsidiaries
3,987

 
(3,987
)
 


 

 

Amortization of unearned compensation
 
 
814

 


 

 
814

Distributions ($0.6600 per unit)
(1,279
)
 
(25,475
)
 


 

 
(26,754
)
CAPITAL BALANCE MARCH 31, 2012
$
32,514

 
$
641,543

 
$
(34,329
)
 
$
13,510

 
$
653,238