XML 28 R18.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Investments, Debt and Equity Securities [Abstract] |
Amortized cost and fair value of investments classified as available-for-sale |
|  | September 30, 2018
(Dollar amounts in thousands) |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. Government agencies |  | $ | 13,042 |  |  | $ | 2 |  |  | $ | (571 | ) |  | $ | 12,473 |
Mortgage Backed Securities - residential |  | 189,999 |  |  | 798 |  |  | (6,146 | ) |  | 184,651 |
Collateralized mortgage obligations |  | 368,486 |  |  | 26 |  |  | (13,965 | ) |  | 354,547 |
State and municipal obligations |  | 231,565 |  |  | 1,764 |  |  | (2,730 | ) |  | 230,599 |
Collateralized debt obligations |  | 179 |  |  | 3,244 |  |  | — |  |  | 3,423 |
TOTAL |  | $ | 803,271 |  |  | $ | 5,834 |  |  | $ | (23,412 | ) |  | $ | 785,693 |
|  | December 31, 2017
(Dollar amounts in thousands) |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
U.S. Government agencies |  | $ | 13,989 |  |  | $ | 24 |  |  | $ | (318 | ) |  | $ | 13,695 |
Mortgage Backed Securities-residential |  | 215,079 |  |  | 2,071 |  |  | (1,812 | ) |  | 215,338 |
Mortgage Backed Securities-commercial |  | 1 |  |  | — |  |  | — |  |  | 1 |
Collateralized mortgage obligations |  | 346,005 |  |  | 370 |  |  | (6,705 | ) |  | 339,670 |
State and municipal obligations |  | 227,651 |  |  | 4,671 |  |  | (700 | ) |  | 231,622 |
Collateralized debt obligations |  | 8,644 |  |  | 5,961 |  |  | — |  |  | 14,605 |
TOTAL |  | $ | 811,369 |  |  | $ | 13,097 |  |  | $ | (9,535 | ) |  | $ | 814,931 |
Schedule of contractual maturities of debt securities | Contractual maturities of debt securities at September 30, 2018 were as follows. Securities not due at a single maturity or with no maturity date, primarily mortgage-backed and equity securities are shown separately.
|  | Available-for-Sale
|  | Amortized |  | Fair
(Dollar amounts in thousands) |  | Cost |  | Value
Due in one year or less |  | $ | 3,965 |  |  | $ | 3,961 |
Due after one but within five years |  | 32,844 |  |  | 33,151 |
Due after five but within ten years |  | 74,009 |  |  | 74,647 |
Due after ten years |  | 133,968 |  |  | 134,736 |
|  | 244,786 |  |  | 246,495 |
Mortgage-backed securities and collateralized mortgage obligations |  | 558,485 |  |  | 539,198 |
TOTAL |  | $ | 803,271 |  |  | $ | 785,693 |
Schedule of gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in continuous unrealized loss position | The following tables show the securities’ gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in continuous unrealized loss position, at September 30, 2018 and December 31, 2017.
|  | September 30, 2018
|  | Less Than 12 Months |  | More Than 12 Months |  | Total
|  |  |  | Unrealized |  |  |  | Unrealized |  |  |  | Unrealized
(Dollar amounts in thousands) |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
U.S. Government agencies |  | $ | — |  |  | $ | — |  |  | $ | 11,782 |  |  | $ | (571 | ) |  | $ | 11,782 |  |  | $ | (571 | )
Mortgage Backed Securities - Residential |  | $ | 104,404 |  |  | $ | (3,323 | ) |  | $ | 52,106 |  |  | $ | (2,823 | ) |  | $ | 156,510 |  |  | $ | (6,146 | )
Collateralized mortgage obligations |  | 191,204 |  |  | (4,317 | ) |  | 158,396 |  |  | (9,648 | ) |  | 349,600 |  |  | (13,965 | )
State and municipal obligations |  | 96,736 |  |  | (1,627 | ) |  | 21,574 |  |  | (1,103 | ) |  | 118,310 |  |  | (2,730 | )
Total temporarily impaired securities |  | $ | 392,344 |  |  | $ | (9,267 | ) |  | $ | 243,858 |  |  | $ | (14,145 | ) |  | $ | 636,202 |  |  | $ | (23,412 | )
|  | December 31, 2017
|  | Less Than 12 Months |  | More Than 12 Months |  | Total
|  |  |  | Unrealized |  |  |  | Unrealized |  |  |  | Unrealized
(Dollar amounts in thousands) |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
US Government entity mortgage-backed securities |  | $ | 9,321 |  |  | $ | (86 | ) |  | $ | 3,538 |  |  | $ | (232 | ) |  | $ | 12,859 |  |  | $ | (318 | )
Mortgage Backed Securities - Residential |  | $ | 79,918 |  |  | $ | (425 | ) |  | $ | 53,815 |  |  | $ | (1,387 | ) |  | $ | 133,733 |  |  | $ | (1,812 | )
Collateralized mortgage obligations |  | 150,182 |  |  | (1,418 | ) |  | 146,750 |  |  | (5,287 | ) |  | 296,932 |  |  | (6,705 | )
State and municipal obligations |  | 27,347 |  |  | (183 | ) |  | 18,660 |  |  | (517 | ) |  | 46,007 |  |  | (700 | )
Total temporarily impaired securities |  | $ | 266,768 |  |  | $ | (2,112 | ) |  | $ | 222,763 |  |  | $ | (7,423 | ) |  | $ | 489,531 |  |  | $ | (9,535 | )
Rollforward of the credit losses recognized in earnings | The table below presents a rollforward of the credit losses recognized in earnings for the three and nine month periods ended September 30, 2018 and 2017:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(Dollar amounts in thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Beginning balance |  | $ | 2,974 |  |  | $ | 7,132 |  |  | $ | 7,132 |  |  | $ | 13,974 |
Increases to the amount related to the credit |  |  |  |  |  |  |  |  |  |  |  |
Loss for which other-than-temporary was previously recognized |  | — |  |  | — |  |  | — |  |  | — |
Reductions for increases in cash flows collected |  | — |  |  | — |  |  |  |  |  | — |
Reductions for securities called during the period |  | — |  |  | — |  |  | (4,158 | ) |  | (6,842 | )
Ending balance |  | $ | 2,974 |  |  | $ | 7,132 |  |  | $ | 2,974 |  |  | $ | 7,132 |

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27340-111563 + Details
Name: | us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration