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PARENT COMPANY STATEMENTS, Condensed Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenues [Abstract] |  |  |
Other income | $ 123,299 | $ 119,020 | $ 102,180
Expenses [Abstract] |  |  |
Interest on borrowings | 2,537 | 2,477 | 2,520
Other expenses | 13,521 | 17,310 | 14,971
Income before tax benefit and equity in undistributed net income of subsidiaries | 132,217 | 129,690 | 111,027
Income tax (expense)/benefit | (40,987) | (38,337) | (32,198)
Net income | 91,230 | 91,353 | 78,829
Comprehensive income/(loss) | 79,745 | 148,619 | (2,051)
Parent Company [Member] |  |  |
Revenues [Abstract] |  |  |
Dividends from subsidiaries | 76,000 | 61,100 | 66,000
Interest and dividends on investments | 94 | 88 | 91
Other income | 0 | 0 | 9
Total revenues | 76,094 | 61,188 | 66,100
Expenses [Abstract] |  |  |
Interest on borrowings | 2,537 | 2,477 | 2,520
Other expenses | 19 | 37 | 61
Total expenses | 2,556 | 2,514 | 2,581
Income before tax benefit and equity in undistributed net income of subsidiaries | 73,538 | 58,674 | 63,519
Income tax (expense)/benefit | (572) | 581 | 862
Income before equity in undistributed net income of subsidiaries | 72,966 | 59,255 | 64,381
Equity in undistributed net income of subsidiaries | 18,264 | 32,098 | 14,448
Net income | 91,230 | 91,353 | 78,829
Comprehensive income/(loss) | $ 79,745 | $ 148,619 | $ (2,051)

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