Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2014
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
(a) Other non-cash activities (in thousands):
 
Year Ended December 31, 2012
Equity shares issued as a result of the NMHC acquisition
$
4

Equity shares issued as a result of the Catalyst Merger
$
3,238,141



(b) Cash paid / received for income taxes and interest was as follows for the years ended December 31, 2014, 2013, and 2012 (in thousands):
 
Years Ended December 31,
 
2014
 
2013
 
2012
Income taxes paid
$
201,263

 
$
158,053

 
$
22,052

Interest paid
$
38,880

 
$
30,322

 
$
18,711

Interest received
$
837

 
$
735

 
$
473