XML 70 R53.htm IDEA: XBRL DOCUMENT v3.6.0.2
INVESTMENTS - HTM & AFS (Details) - USD ($)
$ in Thousands
7 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Available-for-sale    
Amortized Cost $ 223,144  
Gross Unrealized Holding Losses 196  
Fair Value 222,948  
Continuous Unrealized Loss Position less than 12 Months 196  
Held-to-Maturity    
Amortized Cost   $ 759,958
Gross Unrealized Holding Gains   63
Gross Unrealized Holding Losses   296
Fair Value   759,725
Continuous Unrealized Loss Position less than 12 Months   296
Remaining held to maturity securities available for sale 43,700  
Short-term | Commercial paper    
Available-for-sale    
Amortized Cost 40,382  
Fair Value 40,382  
Held-to-Maturity    
Amortized Cost   3,978
Fair Value   3,978
Short-term | Municipal securities    
Available-for-sale    
Amortized Cost 140,379  
Gross Unrealized Holding Losses 181  
Fair Value 140,198  
Continuous Unrealized Loss Position less than 12 Months 181  
Held-to-Maturity    
Amortized Cost   709,207
Gross Unrealized Holding Gains   63
Gross Unrealized Holding Losses   192
Fair Value   709,078
Continuous Unrealized Loss Position less than 12 Months   192
Short-term | U.S. government agency securities    
Available-for-sale    
Amortized Cost 26,057  
Gross Unrealized Holding Losses 6  
Fair Value 26,051  
Continuous Unrealized Loss Position less than 12 Months 6  
Held-to-Maturity    
Amortized Cost   23,369
Gross Unrealized Holding Losses   58
Fair Value   23,311
Continuous Unrealized Loss Position less than 12 Months   58
Short-term | Variable rate demand notes    
Available-for-sale    
Amortized Cost 13,923  
Fair Value 13,923  
Short-term | U.S. Treasuries    
Held-to-Maturity    
Amortized Cost   8,056
Gross Unrealized Holding Losses   13
Fair Value   8,043
Continuous Unrealized Loss Position less than 12 Months   13
Long-term | Municipal securities    
Available-for-sale    
Amortized Cost 2,403  
Gross Unrealized Holding Losses 9  
Fair Value 2,394  
Continuous Unrealized Loss Position less than 12 Months $ 9  
Held-to-Maturity    
Amortized Cost   11,071
Gross Unrealized Holding Losses   8
Fair Value   11,063
Continuous Unrealized Loss Position less than 12 Months   8
Long-term | U.S. government agency securities    
Held-to-Maturity    
Amortized Cost   4,277
Gross Unrealized Holding Losses   25
Fair Value   4,252
Continuous Unrealized Loss Position less than 12 Months   $ 25