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v3.10.0.1

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, 2016 |  | 1,884 |  |  |
Balance, beginning of year at Dec. 31, 2016 | $ 155,136 | $ 0 | $ 143,284 | $ 11,761 | $ 91
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 16,078 |  | 16,078 |  |
Dividends paid | (1,792) |  | (1,792) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | (50) |  | (50) |  |
Stock options and stock appreciation rights exercised (in shares) |  | 3 |  |  |
Stock options and stock appreciation rights exercised | (1) |  | (1) |  |
Share-based compensation expense related to stock appreciation rights | 157 |  | 157 |  |
Amortization related to postretirement health benefits | 4 |  |  | 4 |
Net unrealized gain (loss) on investments | 2,610 |  |  | 2,610 |
Distribution of equity to noncontrolling interests | 0 |  |  |  |
Net loss attributable to noncontrolling interests | (11) |  |  |  | (11)
Balance, end of year, shares at Sep. 30, 2017 |  | 1,887 |  |  |
Balance, end of year at Sep. 30, 2017 | 172,131 | $ 0 | 157,676 | 14,375 | 80
Balance, beginning of year, shares at Jun. 30, 2017 |  | 1,887 |  |  |
Balance, beginning of year at Jun. 30, 2017 | 166,230 | $ 0 | 152,482 | 13,668 | 80
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income attributable to the Company | 5,927 |  | 5,927 |  |
Dividends paid | (754) |  | (754) |  |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |  |
Shares of common stock repurchased and retired | (41) |  | (41) |  |
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 | 62 |  | 62 |  |
Amortization related to postretirement health benefits | 1 |  |  | 1 |
Net unrealized gain (loss) on investments | 706 |  |  | 706 |
Net loss attributable to noncontrolling interests | 0 |  |  |  | 0
Balance, end of year, shares at Sep. 30, 2017 |  | 1,887 |  |  |
Balance, end of year at Sep. 30, 2017 | 172,131 | $ 0 | 157,676 | 14,375 | 80
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Cumulative effect adjustment for adoption of new accounting standards | 0 |  | 13,627 | (13,627) |
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 |  |
Net unrealized gain (loss) on investments | (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 |  |
Net unrealized gain (loss) on investments | (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
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Cumulative effect adjustment for adoption of new accounting standards | $ 0 |  | $ 0 | $ 0 |

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