|
Commitments and Contingencies (Details) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Operating Leases | ||
| Rental expense | $ 300,000 | $ 300,000 |
| Future minimum rental payments | ||
| 2014 | 1,234,000 | |
| 2015 | 1,665,000 | |
| 2016 | 1,553,000 | |
| 2017 | 1,332,000 | |
| 2018 | 722,000 | |
| Total | 6,506,000 | |
| Purchase Commitments | ||
| Non-cancellable purchase commitments | $ 20,300,000 | |
|
Minimum
|
||
| Operating Leases | ||
| Extension term of leases | 3 years | |
|
Maximum
|
||
| Operating Leases | ||
| Extension term of leases | 5 years | |