Changes in the lease exit liability are as follows (in thousands):
Accrual balance at December 31, 2014
$
8,006

Principal payments and other adjustments
(3,293
)
Accrual balance at December 31, 2015
4,713

Principal payments and other adjustments (net of sublease receipts)
(2,822
)
Accrual balance at December 31, 2016
$
1,891