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Consolidated Statements of Changes in Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Retained Earnings
Common Stock Held in Treasury
Accumulated Other Comprehensive Income.
Total
Balance at Dec. 31, 2016 $ 525 $ 248,748 $ 536,350 $ (346,482) $ (33,977) $ 405,164
Increase (Decrease) in Stockholders' Equity            
Net income     5,302     5,302
Other comprehensive income         2,026 2,026
Issuance of common stock in connection with restricted stock unit awards (1,167,136 shares) 1 (18,310)   18,494   185
Shares withheld for net settlements of share-based awards (487,789 shares)       (3,210)   (3,210)
Purchase of common stock for treasury (161,708 shares)   4 (2,331) 25   (2,302)
Dividend declared on common stock       (9,851)   (9,851)
Share-based compensation   5,687       5,687
Balance at Mar. 31, 2017 $ 526 236,995 538,678 $ (341,024) $ (31,951) 403,224
Increase (Decrease) in Stockholders' Equity            
Cumulative effect of accounting change   $ 866 $ (643)     $ 223