|
Property and equipment Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Property and Equipment [Abstract] | ||
| Buildings and improvements | $ 37,356 | $ 37,356 |
| Computer and other equipment | 22,138 | 21,763 |
| Software | 3,627 | 4,159 |
| Furniture and fixtures | 2,625 | 2,728 |
| Leasehold improvements | 4,010 | 3,823 |
| Property, Plant and Equipment, Gross | 69,756 | 69,829 |
| Less: Accumulated depreciation and amortization | (51,086) | (48,052) |
| Property and equipment, net | $ 18,670 | $ 21,777 |