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Servicing Rights - Mortgage Servicing Rights (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Changes in fair value: |  |  |  |  |
Balance of mortgage loans serviced for others | $ 818,266 |  | $ 818,266 |  | $ 772,764
MSR as a percentage of serviced loans | 1.99% |  | 1.99% |  | 1.78%
Mortgage servicing rights |  |  |  |  |
Servicing Asset at Fair Value, Amount [Roll Forward] |  |  |  |  |
Balance, beginning of period | $ 15,422 | $ 11,657 | $ 13,724 | $ 11,218 |
Additions for new MSR capitalized | 1,128 | 1,745 | 2,115 | 3,193 |
Changes in fair value: |  |  |  |  |
Due to changes in model inputs of assumptions | (225) | 16 | 967 | (164) |
Other | (24) | (583) | (505) | (1,412) |
Balance, end of period | 16,301 | $ 12,835 | 16,301 | $ 12,835 |
Balance of mortgage loans serviced for others | $ 818,266 |  | $ 818,266 |  | $ 772,764
MSR as a percentage of serviced loans | 1.99% |  | 1.99% |  | 1.78%

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- Definition The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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- Definition Amount of increase (decrease) from changes in fair value classified as other for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(4)(ii) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 + Details
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