|
Condensed Consolidated Statements of Shareholders' Equity (USD $)
In Thousands, unless otherwise specified |
Total
|
Preferred Stock [Member]
|
Common Stock [Member]
|
Treasury Stock [Member]
|
Additional Paid-in Capital [Member]
|
Retained Earnings [Member]
|
Accumulated Other Comprehensive Income (Loss) [Member]
|
Parent [Member]
|
|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2012 | $ 0 | $ 181 | $ (1,743) | $ 173,299 | $ 56,218 | $ 7,790 | $ 235,745 | |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||
| Net income | 21,073 | 0 | 0 | 0 | 0 | 21,073 | 0 | 21,073 |
| Total comprehensive income | 10,736 | 0 | 0 | 0 | 0 | 0 | (10,337) | (10,337) |
| Cash dividends paid on common shares, $0.1575 per share | 0 | 0 | 0 | 0 | (1,904) | 0 | (1,904) | |
| Repurchase of common stock warrants | (1,006) | 0 | 0 | 0 | (1,006) | 0 | 0 | (1,006) |
| Issuance under equity compensation plans, net | 0 | 2 | 0 | 2,262 | 0 | 0 | 2,264 | |
| Stock Issued During Period, Value, Conversion of Convertible Securities | 0 | |||||||
| Share-based compensation | 0 | 0 | 0 | 1,788 | 0 | 0 | 1,788 | |
| Excess tax benefit related to equity compensation plans | 0 | 0 | 0 | 52 | 0 | 0 | 52 | |
| Balance at Jun. 30, 2013 | 0 | 183 | (1,743) | 176,395 | 75,387 | (2,547) | 247,675 | |
| Balance at Dec. 31, 2013 | 279,705 | 0 | 194 | (1,743) | 200,258 | 85,376 | (4,380) | 279,705 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||
| Net income | 13,008 | 0 | 0 | 0 | 0 | 13,008 | 0 | 13,008 |
| Total comprehensive income | 17,967 | 0 | 0 | 0 | 0 | 0 | 4,959 | 4,959 |
| Cash dividends paid on common shares, $0.1575 per share | 0 | 0 | 0 | 0 | (2,086) | 0 | (2,086) | |
| Repurchase of common stock warrants | 0 | |||||||
| Issuance under equity compensation plans, net | 0 | 1 | 0 | (650) | 0 | 0 | (649) | |
| Stock Issued During Period, Value, Conversion of Convertible Securities | 5,002 | 0 | 3 | 0 | 4,999 | 0 | 0 | 5,002 |
| Share-based compensation | 0 | 0 | 0 | 1,524 | 0 | 0 | 1,524 | |
| Excess tax benefit related to equity compensation plans | 0 | 0 | 0 | 101 | 0 | 0 | 101 | |
| Balance at Jun. 30, 2014 | $ 301,564 | $ 0 | $ 198 | $ (1,743) | $ 206,232 | $ 96,298 | $ 579 | $ 301,564 |