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Arrangements with Joint Venture (Tables)
12 Months Ended
Dec. 31, 2013
Arrangements with Variable Interest Entities and Joint Ventures [Abstract]  
Redeemable Noncontrolling Interest
The following table provides a summary of the changes in value of the Company's redeemable non-controlling interests (in thousands):

 
Year Ended December 31,
 
2013
 
2012
 
 
 
 
Beginning balance, January 1,
$
64,517

 
$
95,910

Accretion of redeemable non-controlling interests, before tax
31,970

 
28

Purchases of membership units of non-controlling interests

 
(5,250
)
Loans made to joint venture partner
(6,716
)
 
(8,255
)
Optional distributions made to joint venture partner
(18,338
)
 
(16,243
)
Other
(2,898
)
 
(1,673
)
Ending balance, December 31,
$
68,535

 
$
64,517