Leases (Tables)

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Schedule of future minimum payments under leases with terms of one year or more

Future minimum payments under leases with terms of one year or more are as follows at December 31, 2012:

	Operating Leases
	Gross rents		Subleases			Net rents
2013	$	14,207	$	(1,107	)	$	13,100
2014		12,282		(1,093	)		11,189
2015		5,965		(415	)		5,550
2016		4,138		(362	)		3,776
2017		3,487		(362	)		3,125
Thereafter		3,023		(175	)		2,848
	$	43,102	$	(3,514	)	$	39,588