The following table summarizes the changes in the Company's restructuring liability by type during the three-year period ended December 31, 2016 (in thousands):
 
Asset Impairment
 
Student Transfer Agreement Costs
 
Severance Costs
 
Lease Exit and Other Costs
 
Capitalized Software Costs
 
Total
Balance at December 31, 2013
$

 
$

 
$

 
$
328

 
$

 
$
328

Restructuring and impairment charges
4,566

 

 
3,560

 
6,470

 
2,232

 
16,828

Payments

 

 
(2,700
)
 
(218
)
 

 
(2,918
)
Non-cash transaction
(4,566
)
 

 

 

 
(2,232
)
 
(6,798
)
Balance at December 31, 2014

 

 
860

 
6,580

 

 
7,440

Restructuring and impairment charges
43,328

 
3,264

 
4,717

 
17,047

 

 
68,356

Payments

 
(40
)
 
(3,833
)
 
(9,706
)
 

 
(13,579
)
Non-cash transaction
(43,328
)
 

 

 

 

 
(43,328
)
Balance at December 31, 2015

 
3,224

 
1,744

 
13,921

 

 
18,889

Restructuring and impairment charges
2,215

 
(142
)
 
2,668

 
14,535

 

 
19,276

Payments

 
(1,490
)
 
(3,845
)
 
(9,999
)
 

 
(15,334
)
Non-cash transaction
(2,215
)
 

 

 

 

 
(2,215
)
Balance at December 31, 2016
$

 
$
1,592

 
$
567

 
$
18,457

 
$

 
$
20,616