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v3.21.1

Mortgage Servicing Rights (Tables) | 3 Months Ended
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Mar. 31, 2021
Transfers and Servicing [Abstract] |
Summary of Changes in Mortgage Servicing Rights | The following table summarizes the changes in MSRs, which are included in other assets on the consolidated balance sheets:
| Three months ended March 31 |  |
| 2021 |  | 2020 |  |  |  |
| (in thousands)
Amortized cost: |  |  |  |  |  |  |
Balance at beginning of period | $ | 38,745 |  |  | $ | 39,267 |  |  |  |  |
Originations of MSRs | 2,811 |  |  | 1,478 |  |  |  |  |
Amortization | (3,753) |  |  | (1,891) |  |  |  |  |
Balance at end of period | $ | 37,803 |  |  | $ | 38,854 |  |  |  |  |
Valuation allowance: |  |  |  |  |  |  |
Balance at beginning of period | $ | (10,500) |  |  | $ | — |  |  |  |  |
Reduction (addition) to valuation allowance | 6,100 |  |  | (1,100) |  |  |  |  |
Balance at end of period | $ | (4,400) |  |  | $ | (1,100) |  |  |  |  |
Net MSRs at end of period | $ | 33,403 |  |  | $ | 37,754 |  |  |  |  |

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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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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration