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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts
Years Ended December 31, 2016, 2015 and 2014

Description
Balance at
Beginning
of Period
 
Charged to Cost and Expenses
 
Charged
to Other
Accounts
 
Deductions—
Write offs
 
Balance
at End of
Period
 
(in thousands)
Allowance for Loan Losses:
 
 
 
 
 
 
 
 
 
2016
53,311

 
149,963

 
7,270

 
(100,382
)
 
110,162

2015
49,804

 
74,863

 
7,129

 
(78,485
)
 
53,311

2014
19,443

 
67,432

 
2,567

 
(39,638
)
 
49,804

Deferred tax asset valuation allowance:
 
 
 
 
 
 
 
 
 
2016
31,978

 
(24,209
)
 
45,834

 
—

 
53,603

2015
26,090

 
(2,514
)
 
8,402

 
—

 
31,978

2014
26,199

 
(5,826
)
 
5,717

 
—

 
26,090