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SECURITIES - Reclassifications out of AOCI into Earnings (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | $ 8,044 | $ 3,838
Less Than Twelve Months, Fair Value | 523,307 | 352,256
Over Twelve Months, Gross Unrealized Losses | 2,255 | 6,574
Over Twelve Months, Fair Value | 28,874 | 206,258
Total Gross Unrealized Losses | 10,299 | 10,412
Total Fair Value | 552,181 | 558,514
Securities held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 3,504 | 0
Less Than Twelve Months, Fair Value | 103,002 | 0
Over Twelve Months, Gross Unrealized Losses | 0 | 34
Over Twelve Months, Fair Value | 0 | 2,143
Total Gross Unrealized Losses | 3,504 | 34
Total Fair Value | 103,002 | 2,143
Securities available for sale and held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 11,548 | 3,838
Less Than Twelve Months, Fair Value | 626,309 | 352,256
Over Twelve Months, Gross Unrealized Losses | 2,255 | 6,608
Over Twelve Months, Fair Value | 28,874 | 208,401
Total Gross Unrealized Losses | 13,803 | 10,446
Total Fair Value | 655,183 | 560,657
Debt securities |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 7,887 | 3,304
Less Than Twelve Months, Fair Value | 516,707 | 349,348
Over Twelve Months, Gross Unrealized Losses | 799 | 5,222
Over Twelve Months, Fair Value | 22,947 | 200,529
Total Gross Unrealized Losses | 8,686 | 8,526
Total Fair Value | 539,654 | 549,877
Debt securities | Municipal bonds and obligations |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 1,049 | 9
Less Than Twelve Months, Fair Value | 13,839 | 1,587
Over Twelve Months, Gross Unrealized Losses | 0 | 115
Over Twelve Months, Fair Value | 0 | 3,400
Total Gross Unrealized Losses | 1,049 | 124
Total Fair Value | 13,839 | 4,987
Securities held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 2,416 | 0
Less Than Twelve Months, Fair Value | 69,308 | 0
Over Twelve Months, Gross Unrealized Losses | 0 | 34
Over Twelve Months, Fair Value | 0 | 2,143
Total Gross Unrealized Losses | 2,416 | 34
Total Fair Value | 69,308 | 2,143
Debt securities | Agency collateralized mortgage obligations |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 3,291 | 2,958
Less Than Twelve Months, Fair Value | 319,448 | 304,907
Over Twelve Months, Gross Unrealized Losses | 0 | 2,596
Over Twelve Months, Fair Value | 0 | 136,988
Total Gross Unrealized Losses | 3,291 | 5,554
Total Fair Value | 319,448 | 441,895
Securities held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 411 |
Less Than Twelve Months, Fair Value | 14,724 |
Over Twelve Months, Gross Unrealized Losses | 0 |
Over Twelve Months, Fair Value | 0 |
Total Gross Unrealized Losses | 411 |
Total Fair Value | 14,724 |
Debt securities | Agency residential mortgage-backed securities |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 2,153 | 306
Less Than Twelve Months, Fair Value | 130,766 | 34,543
Over Twelve Months, Gross Unrealized Losses | 28 | 681
Over Twelve Months, Fair Value | 2,061 | 35,522
Total Gross Unrealized Losses | 2,181 | 987
Total Fair Value | 132,827 | 70,065
Securities held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 243 |
Less Than Twelve Months, Fair Value | 8,859 |
Over Twelve Months, Gross Unrealized Losses | 0 |
Over Twelve Months, Fair Value | 0 |
Total Gross Unrealized Losses | 243 |
Total Fair Value | 8,859 |
Debt securities | Agency commercial mortgage-backed securities |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 1,368 |
Less Than Twelve Months, Fair Value | 44,860 |
Over Twelve Months, Gross Unrealized Losses | 0 |
Over Twelve Months, Fair Value | 0 |
Total Gross Unrealized Losses | 1,368 |
Total Fair Value | 44,860 |
Securities held to maturity |  |
Less Than Twelve Months, Gross Unrealized Losses | 434 |
Less Than Twelve Months, Fair Value | 10,111 |
Over Twelve Months, Gross Unrealized Losses | 0 |
Over Twelve Months, Fair Value | 0 |
Total Gross Unrealized Losses | 434 |
Total Fair Value | 10,111 |
Debt securities | Corporate bonds |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 11 | 30
Less Than Twelve Months, Fair Value | 4,780 | 6,934
Over Twelve Months, Gross Unrealized Losses | 711 | 1,796
Over Twelve Months, Fair Value | 19,655 | 21,587
Total Gross Unrealized Losses | 722 | 1,826
Total Fair Value | 24,435 | 28,521
Debt securities | Trust preferred securities |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 0 | 1
Less Than Twelve Months, Fair Value | 0 | 1,269
Over Twelve Months, Gross Unrealized Losses | 59 | 0
Over Twelve Months, Fair Value | 1,204 | 0
Total Gross Unrealized Losses | 59 | 1
Total Fair Value | 1,204 | 1,269
Debt securities | Other bonds and obligations |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 15 | 0
Less Than Twelve Months, Fair Value | 3,014 | 108
Over Twelve Months, Gross Unrealized Losses | 1 | 34
Over Twelve Months, Fair Value | 27 | 3,032
Total Gross Unrealized Losses | 16 | 34
Total Fair Value | 3,041 | 3,140
Marketable equity securities |  |
Securities available for sale |  |
Less Than Twelve Months, Gross Unrealized Losses | 157 | 534
Less Than Twelve Months, Fair Value | 6,600 | 2,908
Over Twelve Months, Gross Unrealized Losses | 1,456 | 1,352
Over Twelve Months, Fair Value | 5,927 | 5,729
Total Gross Unrealized Losses | 1,613 | 1,886
Total Fair Value | $ 12,527 | $ 8,637

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