Securities (Tables)
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3 Months Ended |
Mar. 31, 2018 |
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| Investments, Debt and Equity Securities [Abstract] |
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| Available-for-sale Securities [Table Text Block] |
The estimated fair value of available-for-sale securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income were as follows: | | | (Dollars in thousands) | | | | | | | | Gross | | Gross | | Estimated | | | | | Cost | | Unrealized | | Unrealized | | Fair | | | | | Basis | | Gains | | Losses | | Value | | | March 31, 2018 | | | | | | | | | | | | | | | Money market fund | | $ | 924 | | $ | - | | $ | - | | $ | 924 | | | U.S. government sponsored entities | | | 5,997 | | | 3 | | | (162) | | | 5,838 | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 142,412 | | | 36 | | | (3,279) | | | 139,169 | | | Municipal securities | | | 91,552 | | | 1,307 | | | (774) | | | 92,085 | | | Collateralized debt obligations | | | 4,823 | | | - | | | (1,368) | | | 3,455 | | | Total securities available-for-sale | | $ | 245,708 | | $ | 1,346 | | $ | (5,583) | | $ | 241,471 | | | | | (Dollars in thousands) | | | | | | | | Gross | | Gross | | Estimated | | | | | Cost | | Unrealized | | Unrealized | | Fair | | | | | Basis | | Gains | | Losses | | Value | | | December 31, 2017 | | | | | | | | | | | | | | | Money market fund | | $ | 476 | | $ | - | | $ | - | | $ | 476 | | | U.S. government sponsored entities | | | 3,996 | | | - | | | (106) | | | 3,890 | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 134,224 | | | 170 | | | (1,456) | | | 132,938 | | | Municipal securities | | | 100,088 | | | 3,709 | | | (50) | | | 103,747 | | | Collateralized debt obligations | | | 4,835 | | | - | | | (1,396) | | | 3,439 | | | Total securities available-for-sale | | $ | 243,619 | | $ | 3,879 | | $ | (3,008) | | $ | 244,490 | |
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| Schedule of Contractual Maturities of Available-for-sale Debt Securities [Table Text Block] |
The estimated fair value of available-for-sale debt securities at March 31, 2018, by contractual maturity, were as follows. Securities not due at a single maturity date, primarily collateralized mortgage obligations and residential mortgage-backed securities, are shown separately. | | | (Dollars in thousands) | | | | | Available-for-sale | | | | | Estimated | | | | | | | | Fair | | Tax-Equivalent | | | March 31, 2018 | | Value | | Yield (%) | | | Due in one year or less | | $ | 1,595 | | | 6.54 | | | Due from one to five years | | | 4,787 | | | 4.36 | | | Due from five to ten years | | | 24,533 | | | 4.88 | | | Due over ten years | | | 71,387 | | | 4.77 | | | | | | | | | | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 139,169 | | | 2.70 | | | Total | | $ | 241,471 | | | 3.59 | |
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| Schedule of Realized Gain (Loss) [Table Text Block] |
Sales of available-for-sale securities were as follows for the three months ended: | | | (Dollars in thousands) | | | | | March 31, | | March 31, | | | | | 2018 | | 2017 | | | | | | | | | | | | Proceeds | | $ | 14,668 | | $ | 17,964 | | | Gross gains | | | 758 | | | 334 | | | Gross losses | | | - | | | (41) | |
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| Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
Accumulated other comprehensive income/(loss) balances, net of tax, related to available-for-sale securities, were as follows: | | | (Dollars in thousands) | | | | | Unrealized
gain/(loss) | | | Ending balance, December 31, 2017 | | $ | 684 | | | Current period change | | | (4,032) | | | Ending balance, March 31, 2018 | | $ | (3,348) | |
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| Unrealized Gain (Loss) on Investments [Table Text Block] |
Securities with gross unrealized losses at March 31, 2018 and December 31, 2017 not recognized in income are as follows: | | | (Dollars in thousands) | | | | | Less than 12 months | | 12 months or longer | | Total | | | | | Estimated | | | | | Estimated | | | | | Estimated | | | | | | | | Fair | | Unrealized | | Fair | | Unrealized | | Fair | | Unrealized | | | | | Value | | Losses | | Value | | Losses | | Value | | Losses | | | March 31, 2018 | | | | | | | | | | | | | | | | | | | | | U.S. government sponsored entities | | $ | - | | $ | - | | $ | 3,835 | | $ | (162) | | $ | 3,835 | | $ | (162) | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 96,178 | | | (1,735) | | | 35,217 | | | (1,544) | | | 131,395 | | | (3,279) | | | Municipal securities | | | 26,877 | | | (639) | | | 1,726 | | | (135) | | | 28,603 | | | (774) | | | Collateralized debt obligations | | | - | | | - | | | 3,455 | | | (1,368) | | | 3,455 | | | (1,368) | | | Total temporarily impaired | | $ | 123,055 | | $ | (2,374) | | $ | 44,233 | | $ | (3,209) | | $ | 167,288 | | $ | (5,583) | | | Number of securities | | | | | | 99 | | | | | | 37 | | | | | | 136 | | | | | (Dollars in thousands) | | | | | Less than 12 months | | 12 months or longer | | Total | | | | | Estimated | | | | | Estimated | | | | | Estimated | | | | | | | | Fair | | Unrealized | | Fair | | Unrealized | | Fair | | Unrealized | | | | | Value | | Losses | | Value | | Losses | | Value | | Losses | | | December 31, 2017 | | | | | | | | | | | | | | | | | | | | | U.S. government sponsored entities | | $ | - | | $ | - | | $ | 3,890 | | $ | (106) | | $ | 3,890 | | $ | (106) | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 66,917 | | | (511) | | | 37,003 | | | (945) | | | 103,920 | | | (1,456) | | | Municipal securities | | | 1,790 | | | (3) | | | 1,815 | | | (47) | | | 3,605 | | | (50) | | | Collateralized debt obligations | | | - | | | - | | | 3,439 | | | (1,396) | | | 3,439 | | | (1,396) | | | Total temporarily impaired | | $ | 68,707 | | $ | (514) | | $ | 46,147 | | $ | (2,494) | | $ | 114,854 | | $ | (3,008) | | | Number of securities | | | | | | 40 | | | | | | 37 | | | | | | 77 |
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