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CONSOLIDATED STATEMENTS OF CHANGES IN COMMON SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | GSWC | Common Stock [Member] | Common Stock [Member] GSWC | Earnings Reinvested in the Business | Earnings Reinvested in the Business GSWC
--- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2012 | $ 454,579 | $ 416,257 | $ 249,322 | $ 231,480 | $ 205,257 | $ 184,777
Balances (in shares) at Dec. 31, 2012 |  |  | 38,474,000 | 146 |  |
Balances (in shares) at Dec. 31, 2013 |  |  | 38,721,000 | 146 |  |
Add: |  |  |  |  |  |
Net Income | 62,686 | 48,642 |  |  | 62,686 | 48,642
Issuance of Common Shares | $ 2,111 |  | $ 2,111 |  |  |
Issuance of Common Shares (in shares) | 114,821 |  | 247,000 |  |  |
Exercise of stock options (in shares) | 131,448 |  |  |  |  |
Tax benefit from employee stock-based awards | $ 1,026 | 943 | $ 1,026 | $ 943 |  |
Compensation on stock-based awards | 1,362 | 1,171 | 1,362 | 1,171 |  |
Dividend equivalent rights on stock-based awards not paid in cash | 140 | 127 | 140 | 127 |  |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 29,360 | 29,400 |  |  | 29,360 | 29,400
Dividend equivalent rights on stock-based awards | 140 | 127 |  |  | 140 | 127
Balances at Dec. 31, 2013 | 492,404 | 437,613 | $ 253,961 | $ 233,721 | 238,443 | 203,892
Balances (in shares) at Dec. 31, 2014 |  |  | 38,287,000 | 146 |  |
Add: |  |  |  |  |  |
Net Income | $ 61,058 | 47,857 |  |  |  | 47,857
Issuance of Common Shares |  | 514 |  | $ 514 |  |
Issuance of Common Shares (in shares) | 74,145 |  |  |  |  |
Exercise of stock options (in shares) | 37,006 |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | $ 589 |  |  |  |  |
Tax benefit from employee stock-based awards | 533 |  |  |  |  |
Compensation on stock-based awards | 1,508 | 1,206 |  | 1,206 |  |
Dividend equivalent rights on stock-based awards not paid in cash | 197 | 166 |  | 166 |  |
Stock Repurchased During Period, Shares |  |  | 545,000 |  |  |
Stock Repurchased During Period, Value | 17,180 |  | $ 3,589 |  | 13,591 |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 32,111 | 52,000 |  |  |  | 52,000
Dividend equivalent rights on stock-based awards | 197 | 166 |  |  |  | 166
Balances at Dec. 31, 2014 | 506,801 | 435,190 | $ 253,199 | $ 235,607 | 253,602 | 199,583
Balances (in shares) at Dec. 31, 2015 |  |  | 36,502,000 | 146 |  |
Add: |  |  |  |  |  |
Net Income | $ 60,484 | 47,591 |  |  | 60,484 | 47,591
Issuance of Common Shares (in shares) | 53,612 |  |  |  |  |
Exercise of stock options (in shares) | 66,458 |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | $ 1,198 |  | $ 1,198 |  |  |
Exercise of stock options and other issuance of Common Shares (in shares) |  |  | 120,000 |  |  |
Tax benefit from employee stock-based awards | 877 | 872 | $ 877 | $ 872 |  |
Compensation on stock-based awards | 2,168 | 2,077 | 2,168 | 2,077 |  |
Dividend equivalent rights on stock-based awards not paid in cash | 270 | 239 | $ 270 | 239 |  |
Stock Repurchased During Period, Shares |  |  | 1,905,000 |  |  |
Stock Repurchased During Period, Value | 72,893 |  | $ 12,690 |  | 60,203 |
Deduct: |  |  |  |  |  |
Dividends on Common Shares | 32,690 | 62,000 |  |  | 32,690 | 62,000
Dividend equivalent rights on stock-based awards | 270 | 239 |  |  | 270 | 239
Balances at Dec. 31, 2015 | $ 465,945 | $ 423,730 | $ 245,022 | $ 238,795 | $ 220,923 | $ 184,935

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