XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Investments, Securities with Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months | $ 98,721 | $ 53,282
12 months or longer | 71,746 | 45,404
Total | 170,467 | 98,686
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 4,429 | 816
12 months or longer | 6,610 | 3,105
Total | 11,039 | 3,921
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member] |  |
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months | 3,923 | 12,175
12 months or longer | 20,812 | 12,737
Total | 24,735 | 24,912
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 178 | 162
12 months or longer | 1,271 | 349
Total | 1,449 | 511
Obligations of States and Political Subdivisions [Member] |  |
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months | 4,402 | 999
12 months or longer | 0 | 0
Total | 4,402 | 999
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 135 | 1
12 months or longer | 0 | 0
Total | 135 | 1
Corporate Securities [Member] |  |
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract] |  |
Less than 12 months | 90,396 | 40,108
12 months or longer | 50,934 | 32,667
Total | 141,330 | 72,775
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 4,116 | 653
12 months or longer | 5,339 | 2,756
Total | $ 9,455 | $ 3,409

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 No definition available. + 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://fasb.org/us-gaap/role/ref/legacyRef -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_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + 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 No definition available. + 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 No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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