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PARENT COMPANY FINANCIALS ONLY (Details 1) - USD ($) | 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
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative Asset |  | $ 22,331,000 |  |  |  | $ 23,072,000 |  |  |  | $ 22,331,000 | $ 23,072,000 |
Income |  |  |  |  |  |  |  |  |  |  |  |
Dividends received from subsidiaries(1) |  |  |  |  |  |  |  |  |  | (44,500,000) | (38,100,000) |
Expenses |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  | 4,676,000 | $ 4,640,000 | $ 4,627,000 | $ 4,850,000 | 4,985,000 | $ 5,183,000 | $ 5,269,000 | $ 5,180,000 | 18,793,000 | 20,617,000 | $ 20,417,000
Income tax benefit |  | 7,698,000 | 9,793,000 | 9,508,000 | 8,428,000 | 8,268,000 | 7,867,000 | 7,213,000 | 3,869,000 | 35,427,000 | 27,218,000 | 23,899,000
Net Income |  | 17,179,000 | $ 20,484,000 | $ 20,374,000 | $ 18,611,000 | $ 19,455,000 | $ 18,594,000 | $ 17,451,000 | $ 9,460,000 | 76,648,000 | 64,960,000 | 59,845,000
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative Asset |  | $ 1,364,000 |  |  |  |  |  |  |  | 1,364,000 |  |
Income |  |  |  |  |  |  |  |  |  |  |  |
Dividends received from subsidiaries(1) | [1] |  |  |  |  |  |  |  |  | 44,598,000 | 38,153,000 | 40,170,000
Interest income(2) | [2] |  |  |  |  |  |  |  |  | 98,000 | 78,000 | 57,000
Total income |  |  |  |  |  |  |  |  |  | 44,696,000 | 38,231,000 | 40,227,000
Expenses |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  | 5,901,000 | 5,769,000 | 4,225,000
Other expenses |  |  |  |  |  |  |  |  |  |  | 29,000 |
Total expenses |  |  |  |  |  |  |  |  |  | 5,901,000 | 5,798,000 | 4,225,000
Income before income taxes and equity in undistributed income of subsidiaries |  |  |  |  |  |  |  |  |  | 38,795,000 | 32,433,000 | 36,002,000
Income tax benefit |  |  |  |  |  |  |  |  |  | (1,791,000) | (2,301,000) | (1,298,000)
Income of parent company |  |  |  |  |  |  |  |  |  | 40,586,000 | 34,734,000 | 37,300,000
Equity in undistributed income of subsidiaries |  |  |  |  |  |  |  |  |  | 36,062,000 | 30,226,000 | 22,545,000
Net Income |  |  |  |  |  |  |  |  |  | 76,648,000 | 64,960,000 | 59,845,000
Consolidation, Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income |  |  |  |  |  |  |  |  |  |  |  |
Dividends received from subsidiaries(1) |  |  |  |  |  |  |  |  |  | $ (62,000) | $ (55,000) | $ (53,000)
[1] | Income of $62,000, $55,000 and $53,000 was not eliminated in consolidation for the years ended December 31, 2016, 2015, and 2014, respectively.
[2] | Entire balance eliminated in consolidation.

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