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Noncontrolling Interests (Tables)
6 Months Ended
Jun. 30, 2016
Noncontrolling Interest [Abstract]  
Carrying Amount of Equity Attributable to Noncontrolling Interest
The following is a reconciliation of the beginning and ending carrying amount of the equity attributable to the RNCI as of June 30, 2016 and December 31, 2015: 
 
 
Six Months Ended June 30, 2016
 
Year Ended December 31, 2015
Balance at beginning of period
 
$
417,663

 
$
374,619

Capital contributions
 

 
15,728

Dividends paid
 

 
(16,128
)
Net earnings (loss) attributable to RNCI
 
18,541

 
(8,797
)
Accumulated other comprehensive earnings (loss) attributable to RNCI
 
1,649

 
(745
)
Transfer from noncontrolling interest
 

 
15,801

Accretion of RNCI to redemption value
 
1,803

 
37,185

Balance at end of period
 
$
439,656

 
$
417,663