XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.8.0.1

INVESTMENTS - Summary of Held-To-Maturity and Available-For-Sale Investment Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Investment Holdings [Line Items] |  |
Total | $ 669,816 | $ 763,254
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 6,872 | 6,236
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (4,452) | (5,915)
Held-to-Maturity Market Value | 672,236 | 763,575
Total | 1,281,320 | 1,045,337
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 10,201 | 4,716
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (4,751) | (10,183)
Investment securities available-for-sale | 1,286,770 | 1,039,870
U.S. Treasuries |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Total | 98 | 98
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 0 | 0
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | 0 | (1)
Investment securities available-for-sale | 98 | 97
Securities of U.S. government agencies and corporations |  |
Investment Holdings [Line Items] |  |
Total | 11,588 | 13,011
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 33 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (23) | (110)
Held-to-Maturity Market Value | 11,598 | 12,901
Total | 16,284 | 7,056
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 224 | 0
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | 0 | (40)
Investment securities available-for-sale | 16,508 | 7,016
Residential Mortgage Backed Securities [Member] |  |
Investment Holdings [Line Items] |  |
Total | 171,468 | 205,522
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 2,066 | 1,740
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (1,219) | (1,166)
Held-to-Maturity Market Value | 172,315 | 206,096
Total | 272,254 | 184,960
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 1,471 | 1,175
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (1,609) | (2,740)
Investment securities available-for-sale | 272,116 | 183,395
Commercial Mortgage Backed Securities [Member] |  |
Investment Holdings [Line Items] |  |
Total | 257,590 | 278,728
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 2,655 | 3,254
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (2,053) | (1,817)
Held-to-Maturity Market Value | 258,192 | 280,165
Total | 142,152 | 154,239
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 567 | 188
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (521) | (826)
Investment securities available-for-sale | 142,198 | 153,601
Collateralized Mortgage Backed Securities [Member] |  |
Investment Holdings [Line Items] |  |
Total | 153,806 | 195,408
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 934 | 1,125
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (915) | (1,476)
Held-to-Maturity Market Value | 153,825 | 195,057
Total | 304,679 | 232,701
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 1,551 | 634
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (1,127) | (2,321)
Investment securities available-for-sale | 305,103 | 231,014
Obligations of state and other political subdivisions |  |
Investment Holdings [Line Items] |  |
Total | 75,364 | 70,585
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 1,184 | 117
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (242) | (1,346)
Held-to-Maturity Market Value | 76,306 | 69,356
Total | 127,122 | 96,934
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 2,556 | 1,461
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (701) | (1,514)
Investment securities available-for-sale | 128,977 | 96,881
Asset-backed Securities [Member] |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Total | 340,477 | 322,708
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 1,921 | 517
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (517) | (2,013)
Investment securities available-for-sale | 341,881 | 321,212
Other securities |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 0 | 0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Total | 78,254 | 46,641
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments | 1,911 | 741
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments | (276) | (728)
Investment securities available-for-sale | $ 79,889 | $ 46,654

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + 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 (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + 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 (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity 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 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
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.6) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_InvestmentHoldingsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | invest_InvestmentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentAxis=us-gaap_OtherDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |