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Capitalized Mortgage Servicing Rights (Tables) - MSRs | 12 Months Ended
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Dec. 31, 2022
Capitalized Mortgage Servicing Rights |
Summary of capitalized MSR activity | A summary of our capitalized MSR activity is as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2022 | ​ | Year Ended December 31, 2021
​ |  | Originated |  | Acquired |  | Total |  | Originated |  | Acquired |  | Total
Beginning balance | ​ | $ | 395,573 | ​ | $ | 27,161 | ​ | $ | 422,734 | ​ | $ | 336,466 | ​ | $ | 43,508 | ​ | $ | 379,974
Additions | ​ | ​ | 83,115 | ​ | ​ | — | ​ | ​ | 83,115 | ​ | ​ | 134,116 | ​ | ​ | — | ​ | ​ | 134,116
Amortization | ​ | ​ | (53,449) | ​ | ​ | (6,427) | ​ | ​ | (59,876) | ​ | ​ | (47,845) | ​ | ​ | (10,770) | ​ | ​ | (58,615)
Write-downs and payoffs | ​ | ​ | (38,361) | ​ | ​ | (6,141) | ​ | ​ | (44,502) | ​ | ​ | (27,164) | ​ | ​ | (5,577) | ​ | ​ | (32,741)
Ending balance | ​ | $ | 386,878 | ​ | $ | 14,593 | ​ | $ | 401,471 | ​ | $ | 395,573 | ​ | $ | 27,161 | ​ | $ | 422,734
​
Summary of expected amortization of capitalized MSRs recorded | The expected amortization of capitalized MSRs recorded at December 31, 2022 is as follows (in thousands): ​
​ | ​ | ​ | ​
Year |  | Amortization
2023 |  | $ | 61,024
2024 |  | ​ | 59,025
2025 |  | ​ | 55,033
2026 |  | ​ | 49,121
2027 | ​ | ​ | 44,287
Thereafter |  | ​ | 132,981
Total | ​ | $ | 401,471
​

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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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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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