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Long-term Debt - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Debt Instrument [Line Items]          
Fixed interest rate 52.80%   52.80%    
Unrealized losses on interest rate swap and cap agreements $ (153) $ (1,851) $ (8,238) $ (10,064)  
Weighted average effective interest rate 4.49%   4.49%    
Weighted average effective interest rate 4.42%        
DaVita Medical Group (DMG)          
Debt Instrument [Line Items]          
Letters of credit outstanding $ 1,286   $ 1,286    
Revolving Credit Facility          
Debt Instrument [Line Items]          
Undrawn revolving credit facilities 1,000,000   1,000,000    
Letter of Credit          
Debt Instrument [Line Items]          
Letters of credit outstanding 91,644   91,644    
Interest Rate Cap Agreements Effective September 30, 2016          
Debt Instrument [Line Items]          
Interest rate agreements, notional amount 3,500,000   $ 3,500,000    
Derivative, effective date     Sep. 30, 2016    
Derivative, expiration date     Jun. 30, 2018    
Fair value of assets 22   $ 22    
Unrealized losses on interest rate swap and cap agreements     (1,289)    
Interest Rate Cap Agreements Effective June 29, 2018          
Debt Instrument [Line Items]          
Interest rate agreements, notional amount 3,500,000   $ 3,500,000    
Derivative, effective date     Jun. 29, 2018    
Derivative, expiration date     Jun. 30, 2020    
Fair value of assets $ 2,431   $ 2,431    
Unrealized losses on interest rate swap and cap agreements     $ (11,385)    
London Interbank Offered Rate (LIBOR) | Interest Rate Cap Agreements Effective September 30, 2016          
Debt Instrument [Line Items]          
LIBOR cap rate 3.50%   3.50%    
London Interbank Offered Rate (LIBOR) | Interest Rate Cap Agreements Effective June 29, 2018          
Debt Instrument [Line Items]          
LIBOR cap rate 3.50%   3.50%    
Term Loan A          
Debt Instrument [Line Items]          
Debt instrument, annual principal payment $ 43,750   $ 43,750    
Senior Secured Credit Facilities $ 881,250   $ 881,250   $ 925,000
Term Loan A | Interest rate swap agreements          
Debt Instrument [Line Items]          
Debt instrument, variable interest rate margin     1.75%    
Debt expense recognized     $ 299    
Amount of gains (losses) recognized in OCI on swaps arising during the period net of tax     $ (815)    
Term Loan A | London Interbank Offered Rate (LIBOR)          
Debt Instrument [Line Items]          
Debt instrument, variable interest rate margin     1.75%    
Term Loan A | London Interbank Offered Rate (LIBOR) | Minimum | Interest rate swap agreements          
Debt Instrument [Line Items]          
Fixed interest rate 0.49%   0.49%    
Term Loan A | London Interbank Offered Rate (LIBOR) | Maximum | Interest rate swap agreements          
Debt Instrument [Line Items]          
Fixed interest rate 0.52%   0.52%    
Term Loan B          
Debt Instrument [Line Items]          
Debt instrument, annual principal payment $ 26,250   $ 26,250    
Senior Secured Credit Facilities 3,421,250   3,421,250   $ 3,447,500
Term Loan B | Interest rate cap agreements          
Debt Instrument [Line Items]          
Debt expense recognized     1,829    
Interest rate agreements, notional amount $ 2,735,000   $ 2,735,000    
Term Loan B | London Interbank Offered Rate (LIBOR)          
Debt Instrument [Line Items]          
Debt instrument, variable interest rate margin     2.75%    
LIBOR cap rate 2.50%   2.50%    
Term Loan B | London Interbank Offered Rate (LIBOR) | Maximum          
Debt Instrument [Line Items]          
Debt instrument, variable interest rate margin     3.50%    
Term Loan A subject to interest rate caps          
Debt Instrument [Line Items]          
Senior Secured Credit Facilities $ 78,750   $ 78,750    
Term Loan A subject to uncapped portion of variability of LIBOR          
Debt Instrument [Line Items]          
Senior Secured Credit Facilities $ 802,500   $ 802,500    
Senior Secured Credit Facilities          
Debt Instrument [Line Items]          
Weighted average effective interest rate 3.61%   3.61%