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Mortgage Banking and Servicing Rights (Tables) | 12 Months Ended
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Dec. 31, 2020
Mortgage Servicing Rights [Abstract] |
Schedule of mortgage servicing rights capitalized and related amortization, along with activity in the related valuation allowance |
($ in thousands) |  | 2020 |  |  | 2019 |
Carrying amount, beginning of year |  | $ | 11,017 |  |  | $ | 11,365 |
Mortgage servicing rights capitalized during the year |  |  | 5,090 |  |  |  | 2,872 |
Mortgage servicing rights amortization during the year |  |  | (4,762 | ) |  |  | (2,126 | )
Net change in valuation allowance |  |  | (3,586 | ) |  |  | (1,094 | )
Carrying amount, end of year |  | $ | 7,759 |  |  | $ | 11,017 |
Valuation allowance: |  |  |  |  |  |  |  |
Beginning of year |  | $ | 1,306 |  |  | $ | 212 |
Increase (reduction) |  |  | 3,586 |  |  |  | 1,094 |
End of year |  | $ | 4,892 |  |  | $ | 1,306 |
Fair value, beginning of period |  | $ | 11,864 |  |  | $ | 12,672 |
Fair value, end of period |  | $ | 7,759 |  |  | $ | 11,864 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746 + Details
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