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Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities
12 Months Ended
Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract]  
Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities The following is a reconciliation of cash and cash equivalents inclusive of restricted cash as of December 31, 2017, 2016 and 2015.
 
Balance as of December 31,
(in thousands)
2017
 
2016
 
2015
Table to reconcile cash and cash equivalents inclusive of restricted cash
 
 
 
 
 
Cash and cash equivalents
$
573,383

 
$
515,646

 
443,420

Restricted cash
250,705

 
265,637

 
229,753

Total cash and cash equivalents inclusive of restricted cash at the end of the period
$
824,088

 
$
781,283

 
673,173