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PARENT COMPANY CONDENSED FINANCIAL STATEMENTS: (Details 1) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income tax benefit |  |  |  |  |  |  |  |  | $ (11,692) | $ (12,127) | $ (11,145)
NET INCOME | $ 15,739 | $ 14,000 | $ 11,924 | $ 12,181 | $ 14,364 | $ 12,257 | $ 12,569 | $ 9,682 | 53,844 | 48,872 | 46,583
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  | 71,109 | 64,825 | 40,199
Parent |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends from subsidiaries |  |  |  |  |  |  |  |  | 31,069 | 81,281 | 13,651
Other income |  |  |  |  |  |  |  |  | 1,054 | 720 | 720
Other operating expenses |  |  |  |  |  |  |  |  | (3,430) | (4,327) | (2,814)
Income before income taxes and equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 28,319 | 77,532 | 11,557
Income tax benefit |  |  |  |  |  |  |  |  | 801 | 908 | 934
Income before equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 29,120 | 78,440 | 12,491
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 24,724 | (29,568) | 34,092
NET INCOME |  |  |  |  |  |  |  |  | $ 53,844 | $ 48,872 | $ 46,583

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