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Restructuring Charges (Tables)
 3 Months Ended
Mar. 31, 2017
Restructuring and Related Activities [Abstract]  
Schedule of restructuring reserve by type of cost
The table below provides certain information concerning restructuring activity during the three months ended March 31, 2017:  
 
 
Reserve Balance at
 
Charged to
Costs and
Expenses
 
Payments
and Other
 
Reserve Balance at
 
 
December 31, 2016
 
 
 
March 31, 2017
Branch closure charges
 
$
16

 
$
—

 
$
—

 
$
16

Severance costs
 
1

 
—

 
(1
)
 
—

Total
 
$
17

 
$
—

 
$
(1
)
 
$
16