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Stock repurchases (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
0 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended |
|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2013
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Sep. 30, 2013
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Apr. 01, 2013
Maximum
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| Equity, Class of Treasury Stock | ||||
| Amount of common stock approved by the entity for a stock repurchase program | $ 10,000 | |||
| Number of shares repurchased and retired under the stock repurchase program | 207,000 | 362,000 | ||
| Value of shares repurchased and retired under the stock repurchase program excluding commissions paid | 1,485 | 2,541 | ||
| Average price under the stock repurchase program (in dollars per share) | $ 7.18 | $ 7.02 | ||
| Remaining amount authorized for the share repurchase program | $ 7,459 |