Other Assets (Tables)

12 Months Ended

Dec. 31, 2014

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Components of Other Assets

Other assets at December 31 were as follows:

	2013		2014
Tax incentives	$	12,622	$	12,509
Other		2,904		4,196
	$	15,526	$	16,705