Non-current liabilities

3 Months Ended

Mar. 31, 2017

Liabilities, Noncurrent [Abstract]

Non-current liabilities

Non-current liabilities

Non-current liabilities consists of the following:

	As of
	March 31, 2017		December 31, 2016
Derivative instruments	$	696	$	828
Unrecognized tax benefits	3,832		3,640
Deferred rent	7,591		7,237
Retirement benefits	2,141		1,977
Other non-current liabilities	3,469		1,137
Non-current liabilities	$	17,729	$	14,819