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Loan Servicing Rights (Tables) | 12 Months Ended
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Dec. 31, 2022
Transfers and Servicing [Abstract] |
Components of Loan Servicing Rights and Valuation Allowance | The following table summarizes the carrying values and activity related to loan servicing rights and the related valuation allowance:
| Years Ended December 31,
(dollars in thousands) | 2022 |  | 2021 |  | 2020
Balance at beginning of period | $ | 30,085 |  |  | $ | 28,124 |  |  | $ | 25,399 |
Additions (1) | 13,080 |  |  | 11,759 |  |  | 12,810 |
Amortization | (5,898) |  |  | (9,798) |  |  | (10,085) |
Balance before valuation allowance at end of period | 37,267 |  |  | 30,085 |  |  | 28,124 |
Valuation allowance: |  |  |  |  |
Balance at beginning of period | (46) |  |  | (1,407) |  |  | (31) |
(Additions)/recoveries | 46 |  |  | 1,361 |  |  | (1,376) |
Balance at end of period | — |  |  | (46) |  |  | (1,407) |
Loan servicing rights, net | $ | 37,267 |  |  | $ | 30,039 |  |  | $ | 26,717 |
(1)Additions in 2022 include loan servicing rights of $7.7 million acquired in the First Midwest merger on February 15, 2022.

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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 https://asc.fasb.org/extlink&oid=128311188&loc=d3e122739-111746 + Details
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- References No definition available. + Details
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