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v3.3.1.900

Securities (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) Position | Dec. 31, 2014 USD ($) Position | Dec. 31, 2013 USD ($)
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 1,169,337 | $ 1,001,718 |
Unrealized gains | 9,878 | 14,823 |
Unrealized losses | 4,671 | 3,370 |
Estimated fair value | 1,174,544 | 1,013,171 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 624,819 | 143,428 |
12 months or longer | 29,822 | 244,836 |
Total | 654,641 | 388,264 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (4,283) | (500) |
12 months or longer | (388) | (2,870) |
Total | $ (4,671) | $ (3,370) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 79 | 59 |
12 months or longer | Position | 12 | 58 |
Total | Position | 91 | 117 |
Sales transactions of securities available for sale [Abstract] |  |  |
Proceeds from sales | $ 15,091 | $ 189 | $ 27,593
Gross realized gains | 3,034 | 49 | 1,283
Net securities gains | 3,034 | 49 | 1,283
Gains from calls on securities available for sale | 100 | 100 | $ 100
Amortized costs of securities available for sale pledged to secure public deposits | 1,400,000 | 1,400,000 |
Amortized costs of securities available for sale pledged as collateral for repurchase agreements | 205,900 |  |
Held-to-maturity securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | 471,031 | 454,361 |
Unrealized gains | 3,794 | 2,721 |
Unrealized losses | 1,685 | 2,088 |
Estimated Fair Value | 473,140 | 454,994 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 117,129 | 69,566 |
12 months or longer | 41,523 | 48,034 |
Total | 158,652 | 117,600 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (406) | (165) |
12 months or longer | (1,279) | (1,923) |
Total | $ (1,685) | $ (2,088) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 16 | 112 |
12 months or longer | Position | 4 | 10 |
Total | Position | 20 | 122 |
Securities transferred from available for sale portfolio to held to maturity portfolio |  | $ 340,000 |
Unrealized losses of securities available for sale portfolio before transfer to held to maturity portfolio |  | 8,300 |
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract] |  |  |
Within one year | $ 3,462 |  |
From one to five years | 348,921 |  |
From five to ten years | 147,139 |  |
After ten years | 656,178 |  |
Total, Amortized Cost | 1,155,700 |  |
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Within one year | 3,502 |  |
From one to five years | 348,512 |  |
From five to ten years | 149,185 |  |
After ten years | 656,577 |  |
Total, Fair Value | 1,157,776 |  |
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract] |  |  |
Within one year | 43,624 |  |
From one to five years | 14,179 |  |
From five to ten years | 113,799 |  |
After ten years | 299,429 |  |
Amortized cost | 471,031 | 454,361 |
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Within one year | 43,641 |  |
From one to five years | 14,226 |  |
From five to ten years | 115,691 |  |
After ten years | 299,582 |  |
Total, Fair Value | $ 473,140 | $ 454,994 |
Consolidated stockholders' equity threshold percentage that no single issuer of securities exceeded except for U.S. Government securities. (in hundredths) | 10.00% | 10.00% |
US Treasury [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost |  | $ 23,041 |
Unrealized gains |  | 70 |
Unrealized losses |  | 0 |
Estimated fair value |  | 23,111 |
Federal Agency [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 312,580 | 332,193 |
Unrealized gains | 203 | 327 |
Unrealized losses | 1,511 | 2,606 |
Estimated fair value | 311,272 | 329,914 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 186,685 | 66,528 |
12 months or longer | 19,801 | 198,151 |
Total | 206,486 | 264,679 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (1,312) | (226) |
12 months or longer | (199) | (2,380) |
Total | $ (1,511) | $ (2,606) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 15 | 8 |
12 months or longer | Position | 2 | 16 |
Total | Position | 17 | 24 |
State & Municipal [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 31,208 | $ 37,035 |
Unrealized gains | 446 | 587 |
Unrealized losses | 17 | 52 |
Estimated fair value | 31,637 | 37,570 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 4,599 | 8,818 |
12 months or longer | 502 | 1,321 |
Total | 5,101 | 10,139 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (14) | (42) |
12 months or longer | (3) | (10) |
Total | $ (17) | $ (52) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 7 | 33 |
12 months or longer | Position | 1 | 5 |
Total | Position | 8 | 38 |
Mortgage-Backed [Member] |  |  |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | $ 177,270 | $ 10,400 |
12 months or longer | 1,066 | 35,565 |
Total | 178,336 | 45,965 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (1,068) | (36) |
12 months or longer | (14) | (254) |
Total | $ (1,082) | $ (290) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 33 | 10 |
12 months or longer | Position | 5 | 31 |
Total | Position | 38 | 41 |
Mortgage-backed Securities, Government Sponsored Enterprises [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 398,086 | $ 339,190 |
Unrealized gains | 4,141 | 7,597 |
Unrealized losses | 1,068 | 224 |
Estimated fair value | 401,159 | 346,563 |
Mortgage-backed Securities, U.S. Government Agency Securities [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | 8,191 | 17,367 |
Unrealized gains | 560 | 863 |
Unrealized losses | 14 | 66 |
Estimated fair value | 8,737 | 18,164 |
Collateralized Mortgage Obligations [Member] |  |  |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 256,265 | 57,682 |
12 months or longer | 5,218 | 6,598 |
Total | 261,483 | 64,280 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (1,889) | (196) |
12 months or longer | (54) | (74) |
Total | $ (1,943) | $ (270) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 24 | 8 |
12 months or longer | Position | 2 | 4 |
Total | Position | 26 | 12 |
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 364,936 | $ 199,837 |
Unrealized gains | 931 | 1,828 |
Unrealized losses | 1,828 | 234 |
Estimated fair value | 364,039 | 201,431 |
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | 40,699 | 40,237 |
Unrealized gains | 348 | 497 |
Unrealized losses | 115 | 36 |
Estimated fair value | 40,932 | 40,698 |
Other Securities [Member] |  |  |
Available-for-sale securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | 13,637 | 12,818 |
Unrealized gains | 3,249 | 3,054 |
Unrealized losses | 118 | 152 |
Estimated fair value | 16,768 | 15,720 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 0 | 0 |
12 months or longer | 3,235 | 3,201 |
Total | 3,235 | 3,201 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | 0 | 0 |
12 months or longer | (118) | (152) |
Total | $ (118) | $ (152) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 0 | 0 |
12 months or longer | Position | 2 | 2 |
Total | Position | 2 | 2 |
Mortgage-Backed [Member] |  |  |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | $ 9,325 |  |
12 months or longer | 0 |  |
Total | 9,325 |  |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (107) |  |
12 months or longer | 0 |  |
Total | $ (107) |  |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 1 |  |
12 months or longer | Position | 0 |  |
Total | Position | 1 |  |
Collateralized Mortgage Obligations [Member] |  |  |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | $ 105,604 | $ 26,052 |
12 months or longer | 41,523 | 46,415 |
Total | 147,127 | 72,467 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (281) | (49) |
12 months or longer | (1,279) | (1,916) |
Total | $ (1,560) | $ (1,965) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 12 | 2 |
12 months or longer | Position | 4 | 4 |
Total | Position | 16 | 6 |
State & Municipal [Member] |  |  |
Held-to-maturity securities, fair value to amortized cost basis [Abstract] |  |  |
Amortized cost | $ 188,438 | $ 135,978 |
Unrealized gains | 2,288 | 674 |
Unrealized losses | 18 | 123 |
Estimated Fair Value | 190,708 | 136,529 |
Continuous unrealized loss position, fair value [Abstract] |  |  |
Less than 12 months | 2,200 | 43,514 |
12 months or longer | 0 | 1,619 |
Total | 2,200 | 45,133 |
Continuous unrealized loss position, unrealized losses [Abstract] |  |  |
Less than 12 months | (18) | (116) |
12 months or longer | 0 | (7) |
Total | $ (18) | $ (123) |
Continuous unrealized loss position, number of positions [Abstract] |  |  |
Less than 12 months | Position | 3 | 110 |
12 months or longer | Position | 0 | 6 |
Total | Position | 3 | 116 |
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract] |  |  |
Amortized cost | $ 188,438 | $ 135,978 |
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Total, Fair Value | $ 190,708 | $ 136,529 |

X
- Definition Difference between gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities (excluding gains from calls). This item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References No definition available. + Details
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- Definition This represents the amortized cost of securities available for sale that are pledged as collateral to secure public deposits and for other purposes required or permitted by law. + References No definition available. + Details
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- Definition The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values of the unrealized holding gain (loss) on available-for-sale securities transferred to the held-to-maturity securities during the period. + References No definition available. + Details
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- Definition Consolidated stockholders' equity threshold percentage that no single issuer of securities exceeded except for U.S. Government securities. + References No definition available. + Details
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- Definition Represents the amount of securities transferred from available-for-sale portfolio to held-to-maturity portfolio during the period. + References No definition available. + Details
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- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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