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Parent Corporation Only Financial Statements (Details) - Condensed Statements of Income - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income: |  |  |  |  |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  |  |  |  |  | $ 1,410 | $ 1,081 | $ 636
Net Income | $ (2,024) | $ 11,856 | $ 10,859 | $ 10,391 | $ 9,568 | $ 10,842 | $ 10,521 | $ 10,379 | 31,082 | 41,311 | 18,565
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Income: |  |  |  |  |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  |  |  |  |  | 12,400 | 10,537 | 9,276
Other income |  |  |  |  |  |  |  |  | 8 | 7 | 6
Management fees |  |  |  |  |  |  |  |  |  |  | 100
Total Income |  |  |  |  |  |  |  |  | 12,408 | 10,544 | 9,382
Expenses |  |  |  |  |  |  |  |  | (3,252) | (1,705) | (707)
Income before equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 9,156 | 8,839 | 8,675
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 21,926 | 32,472 | 9,890
Net Income |  |  |  |  |  |  |  |  | $ 31,082 | $ 41,311 | $ 18,565

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