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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II – Valuation and Qualifying Accounts (in thousands)
 
 
 
 
Additions
 
 
 
 
 
Balance at
Beginning of
Period
 
Charged to
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Balance at
End of
Period
Allowance for Deferred Tax Assets:
 
 
 
 
 
 
 
 
 
Year ended December 31, 2015
$
26,788

 
$
—

 
$
680

 
$
2,120

 
$
25,348

Year ended December 31, 2014
$
19,931

 
$
6,857

 
$
—

 
$
—

 
$
26,788

Year ended December 31, 2013
$
22,465

 
$
—

 
$
—

 
$
2,534

 
$
19,931