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Condensed Financial Statements of Parent Company - Condensed Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income: |  |  |
Income before provision for income taxes | $ 230,425 | $ 224,255 | $ 168,805
Applicable income tax benefit | (43,942) | (45,384) | (81,251)
Net income | 186,483 | 178,871 | 87,554
Parent company | Reportable Legal Entities |  |  |
Income: |  |  |
Dividends from subsidiary | 214,852 | 117,298 | 63,703
Operating income | 5,386 | 67 | 580
Total income | 220,238 | 117,365 | 64,283
Operating expenses | 15,409 | 15,302 | 15,482
Income before provision for income taxes | 204,829 | 102,063 | 48,801
Applicable income tax benefit | 1,883 | 3,055 | 5,053
Equity in undistributed earnings of subsidiary (excess distribution) | (20,229) | 73,753 | 33,700
Net income | $ 186,483 | $ 178,871 | $ 87,554

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