XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Investment Securities Available-for-Sale (Details 1) $ in Thousands | Sep. 30, 2018 USD ($) Number | Dec. 31, 2017 USD ($) Number
--- | --- | ---
Available-for-sale securities in a continuous loss position, number of securities | Number | 263 | 183
Available-for-sale securities in a continuous loss position, less than 12 months, estimated fair value | $ 368,791 | $ 272,060
Available-for-sale securities in a continuous loss position, less than 12 months, unrealized losses | 6,218 | 2,593
Available-for-sale securities in a continuous loss position, 12 months or greater, estimated fair value | 316,786 | 203,046
Available-for-sale securities in a continuous loss position, 12 months or greater, unrealized losses | 13,313 | 4,453
Available-for-sale securities in a continuous loss position, estimated fair value | 685,577 | 475,106
Available-for-sale securities in a continuous loss position, unrealized losses | $ 19,531 | $ 7,046
US Agency Securities [Member] |  |
Available-for-sale securities in a continuous loss position, number of securities | Number | 61 | 38
Available-for-sale securities in a continuous loss position, less than 12 months, estimated fair value | $ 111,702 | $ 102,264
Available-for-sale securities in a continuous loss position, less than 12 months, unrealized losses | 1,909 | 1,073
Available-for-sale securities in a continuous loss position, 12 months or greater, estimated fair value | 115,678 | 55,093
Available-for-sale securities in a continuous loss position, 12 months or greater, unrealized losses | 4,619 | 1,341
Available-for-sale securities in a continuous loss position, estimated fair value | 227,380 | 157,357
Available-for-sale securities in a continuous loss position, unrealized losses | $ 6,528 | $ 2,414
Residential Mortgage Backed Securities [Member] |  |
Available-for-sale securities in a continuous loss position, number of securities | Number | 184 | 137
Available-for-sale securities in a continuous loss position, less than 12 months, estimated fair value | $ 237,720 | $ 152,350
Available-for-sale securities in a continuous loss position, less than 12 months, unrealized losses | 3,938 | 1,306
Available-for-sale securities in a continuous loss position, 12 months or greater, estimated fair value | 190,668 | 147,953
Available-for-sale securities in a continuous loss position, 12 months or greater, unrealized losses | 8,188 | 3,112
Available-for-sale securities in a continuous loss position, estimated fair value | 428,388 | 300,303
Available-for-sale securities in a continuous loss position, unrealized losses | $ 12,126 | $ 4,418
Municipal Bonds [Member] |  |
Available-for-sale securities in a continuous loss position, number of securities | Number | 16 | 8
Available-for-sale securities in a continuous loss position, less than 12 months, estimated fair value | $ 16,388 | $ 17,446
Available-for-sale securities in a continuous loss position, less than 12 months, unrealized losses | 352 | 214
Available-for-sale securities in a continuous loss position, 12 months or greater, estimated fair value | 10,440 |
Available-for-sale securities in a continuous loss position, 12 months or greater, unrealized losses | 506 |
Available-for-sale securities in a continuous loss position, estimated fair value | 26,828 | 17,446
Available-for-sale securities in a continuous loss position, unrealized losses | $ 858 | $ 214
Corporate Bonds [Member] |  |
Available-for-sale securities in a continuous loss position, number of securities | Number | 2 |
Available-for-sale securities in a continuous loss position, less than 12 months, estimated fair value | $ 2,981 |
Available-for-sale securities in a continuous loss position, less than 12 months, unrealized losses | 19 |
Available-for-sale securities in a continuous loss position, estimated fair value | 2,981 |
Available-for-sale securities in a continuous loss position, unrealized losses | $ 19 |

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |