|
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | 0 Months Ended | ||||
|---|---|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Minimum [Member]
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Maximum [Member]
|
Oct. 09, 2012
State and Local Jurisdiction [Member]
|
Dec. 31, 2012
State and Local Jurisdiction [Member]
|
|
| Income taxes [Abstract] | |||||||
| Effective tax rate | 38.00% | 38.90% | |||||
| Income Tax Examination [Line Items] | |||||||
| Years under examination | 2005 | 2007 | |||||
| Amount of tax settlement | $ 613 | ||||||
| Cash paid for income taxes | 823 | 665 | 318 | ||||
| Interest paid on tax settlement | 225 | 5 | |||||
| Penalties and interest due | $ 149 | ||||||

