As of December 31, | |||||||
(in thousands) | 2012 | 2011 | |||||
Computer equipment and software | $ | 55,395 | $ | 52,518 | |||
Office equipment | 3,770 | 3,740 | |||||
Leasehold improvements | 15,829 | 15,384 | |||||
Construction in progress | 47 | 515 | |||||
Total | 75,041 | 72,157 | |||||
Accumulated depreciation and amortization | (62,482 | ) | (57,653 | ) | |||
Property, plant and equipment, net | $ | 12,559 | $ | 14,504 | |||