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Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Retained Earnings | Accumulated Other Comprehensive Income | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | ---
Balance, beginning of year, shares at Dec. 31, 2017 |  | 1,886 |  |  |
Balance, beginning of year at Dec. 31, 2017 | $ 177,921 | $ 0 | $ 161,891 | $ 15,945 | $ 85
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 21,757 |  | 21,757 |  |
Dividends paid | (2,264) |  | (2,264) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | (29) |  | (29) |  |
Stock options and stock appreciation rights exercised (in shares) |  | 1 |  |  |
Stock options and stock appreciation rights exercised | (1) |  | (1) |  |
Share-based compensation expense related to stock appreciation rights | 239 |  | 239 |  |
Cumulative effect adjustment for adoption of new accounting standards | 0 |  | 13,627 | (13,627) |
Other comprehensive loss | (1,999) |  |  | (1,999) |
Distribution of equity to noncontrolling interests | (52) |  |  |  | (52)
Net loss attributable to noncontrolling interests | (31) |  |  |  | (31)
Balance, end of year, shares at Sep. 30, 2018 |  | 1,887 |  |  |
Balance, end of year at Sep. 30, 2018 | 195,541 | $ 0 | 195,220 | 319 | 2
Balance, beginning of year, shares at Jun. 30, 2018 |  | 1,887 |  |  |
Balance, beginning of year at Jun. 30, 2018 | 186,113 | $ 0 | 185,252 | 806 | 55
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 10,634 |  | 10,634 |  |
Dividends paid | (755) |  | (755) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | 0 |  | 0 |  |
Stock options and stock appreciation rights exercised (in shares) |  | 0 |  |  |
Stock options and stock appreciation rights exercised | 0 |  | 0 |  |
Share-based compensation expense related to stock appreciation rights | 89 |  | 89 |  |
Cumulative effect adjustment for adoption of new accounting standards | 0 |  | 0 | 0 |
Other comprehensive loss | (487) |  |  | (487) |
Distribution of equity to noncontrolling interests | (52) |  |  |  | (52)
Net loss attributable to noncontrolling interests | (1) |  |  |  | (1)
Balance, end of year, shares at Sep. 30, 2018 |  | 1,887 |  |  |
Balance, end of year at Sep. 30, 2018 | 195,541 | $ 0 | 195,220 | 319 | 2
Balance, beginning of year, shares at Dec. 31, 2018 |  | 1,887 |  |  |
Balance, beginning of year at Dec. 31, 2018 | 175,639 | $ 0 | 174,690 | 949 | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 20,078 |  | 20,078 |  |
Dividends paid | (2,266) |  | (2,266) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | (11) |  | (11) |  |
Stock options and stock appreciation rights exercised (in shares) |  | 2 |  |  |
Stock options and stock appreciation rights exercised | 0 |  | 0 |  |
Share-based compensation expense related to stock appreciation rights | 204 |  | 204 |  |
Other comprehensive loss | 2,246 |  |  | 2,246 |
Net loss attributable to noncontrolling interests | 0 |  |  |  |
Balance, end of year, shares at Sep. 30, 2019 |  | 1,889 |  |  |
Balance, end of year at Sep. 30, 2019 | 195,890 | $ 0 | 192,695 | 3,195 | 0
Balance, beginning of year, shares at Jun. 30, 2019 |  | 1,889 |  |  |
Balance, beginning of year at Jun. 30, 2019 | 188,295 | $ 0 | 185,441 | 2,854 | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 7,952 |  | 7,952 |  |
Dividends paid | (755) |  | (755) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | 0 |  | 0 |  |
Stock options and stock appreciation rights exercised (in shares) |  | 0 |  |  |
Stock options and stock appreciation rights exercised | 0 |  | 0 |  |
Share-based compensation expense related to stock appreciation rights | 57 |  | 57 |  |
Other comprehensive loss | 341 |  |  | 341 |
Net loss attributable to noncontrolling interests | 0 |  |  |  |
Balance, end of year, shares at Sep. 30, 2019 |  | 1,889 |  |  |
Balance, end of year at Sep. 30, 2019 | $ 195,890 | $ 0 | $ 192,695 | $ 3,195 | $ 0

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