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Mortgage Servicing Rights (Tables) | 9 Months Ended
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Sep. 30, 2018
Mortgage Servicing Rights [Abstract] |
Summary of mortgage servicing rights capitalized and related amortization |
($ in thousands) |  | 2018 |  |  | 2017 |
Carrying amount, January 1 |  | $ | 9,907 |  |  | $ | 8,422 |
Mortgage servicing rights capitalized during the year |  |  | 2,288 |  |  |  | 2,042 |
Mortgage servicing rights amortization during the year |  |  | (931 | ) |  |  | (864 | )
Net change in valuation allowance |  |  | 8 |  |  |  | (40 | )
Carrying amount, September 30 |  | $ | 11,272 |  |  | $ | 9,560 |
Valuation allowance: |  |  |  |  |  |  |  |
January 1 |  | $ | 151 |  |  | $ | 228 |
Increase/(reduction) |  |  | (8 | ) |  |  | 40 |
September 30 |  | $ | 143 |  |  | $ | 268 |

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- Definition Mortgage servicing rights. + References No definition available. + Details
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- Definition Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
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