Securities (Tables)
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12 Months Ended |
Dec. 31, 2017 |
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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 (loss) were as follows: | | | (Dollars in thousands) | | | | | | | | Gross | | Gross | | Estimated | | | | | Cost | | Unrealized | | Unrealized | | Fair | | | December 31, 2017 | | Basis | | Gains | | Losses | | Value | | | 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 | | | | | (Dollars in thousands) | | | | | | | | Gross | | Gross | | Estimated | | | | | Cost | | Unrealized | | Unrealized | | Fair | | | December 31, 2016 | | Basis | | Gains | | Losses | | Value | | | Money market fund | | $ | 222 | | $ | - | | $ | - | | $ | 222 | | | U.S. government sponsored entities | | | 16,643 | | | - | | | (369) | | | 16,274 | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 118,807 | | | 441 | | | (1,273) | | | 117,975 | | | Municipal securities | | | 95,242 | | | 2,146 | | | (643) | | | 96,745 | | | Collateralized debt obligations | | | 4,989 | | | - | | | (2,580) | | | 2,409 | | | Total securities available-for-sale | | $ | 235,903 | | $ | 2,587 | | $ | (4,865) | | $ | 233,625 |
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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 securities and carrying amount, if different, at December 31, 2017 by contractual maturity were as follows. Securities not due at a single maturity date, primarily mortgage-backed securities, are shown separately. Tax-equivalent yields were calculated using the 2017 tax rate. | | | (Dollars in thousands) | | | | | Available-for-sale | | | | | Estimated | | | | | | | Fair | | Tax-Equivalent | | | December 31, 2017 | | Value | | Yield (%) | | | Due in one year or less | | $ | 757 | | | 7.46 | | | Due from one to five years | | | 6,150 | | | 4.79 | | | Due from five to ten years | | | 28,531 | | | 5.21 | | | Due over ten years | | | 76,114 | | | 4.73 | | | | | | | | | | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 132,938 | | | 2.57 | | | Total | | $ | 244,490 | | | 3.62 | |
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| Schedule of Realized Gain (Loss) [Table Text Block] |
Sales of available-for-sale securities were as follows: | | | (Dollars in thousands) | | | | | December 31, | | December 31, | | | | | 2017 | | 2016 | | | | | | | | | | | | Proceeds | | $ | 56,347 | | $ | 44,258 | | | Gross gains | | | 972 | | | 926 | | | Gross losses | | | (112) | | | (100) | |
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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, 2016 | | $ | (1,506) | | | Current period change | | | 2,079 | | | Reclassification related to tax effect of unrealized gains | | | 111 | | | Ending balance, December 31, 2017 | | $ | 684 | |
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| Unrealized Gain (Loss) on Investments [Table Text Block] |
Securities with unrealized losses at December 31, 2017 and 2016 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 | | | December 31, 2017 | | Value | | Losses | | Value | | Losses | | Value | | Losses | | | 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 | | | | | (Dollars in thousands) | | | | | Less than 12 months | | 12 months or longer | | Total | | | | | Estimated | | | | | Estimated | | | | | Estimated | | | | | | | | Fair | | Unrealized | | Fair | | Unrealized | | Fair | | Unrealized | | | December 31, 2016 | | Value | | Losses | | Value | | Losses | | Value | | Losses | | | U.S. government sponsored entities | | $ | 16,274 | | $ | (369) | | $ | - | | $ | - | | $ | 16,274 | | $ | (369) | | | Collateralized mortgage obligations and residential mortgage-backed securities | | | 75,931 | | | (1,183) | | | 2,287 | | | (90) | | | 78,218 | | | (1,273) | | | Municipal securities | | | 20,775 | | | (643) | | | - | | | - | | | 20,775 | | | (643) | | | Collateralized debt obligations | | | - | | | - | | | 2,409 | | | (2,580) | | | 2,409 | | | (2,580) | | | Total temporarily impaired | | $ | 112,980 | | $ | (2,195) | | $ | 4,696 | | $ | (2,670) | | $ | 117,676 | | $ | (4,865) | | | Number of securities | | | | | | 97 | | | | | | 6 | | | | | | 103 |
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