XML 40 R31.htm IDEA: XBRL DOCUMENT
v3.22.1

Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of core deposit intangibles and other intangibles | For CDIs and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows:
($ in Thousands) | Three months ended Mar 31, 2022 | Year Ended Dec 31, 2021
Core deposit intangibles |  |
Gross carrying amount at the beginning of period | $ | 88,109 |  | $ | 88,109 |
Accumulated amortization | (32,219) |  | (30,016) |
Net book value | $ | 55,890 |  | $ | 58,093 |
Amortization during the period | $ | 2,203 |  | $ | 8,811 |
Other intangibles |  |
Gross carrying amount at the beginning of period | $ | — |  | $ | 2,000 |
Reductions due to sale | — |  | (1,317) |
Accumulated amortization | — |  | (683) |
Net book value | $ | — |  | $ | — |
Amortization during the period | $ | — |  | $ | 33 |
Summary of changes in balance of mortgage servicing rights asset and mortgage servicing rights valuation allowance | A summary of changes in the balance of the MSRs asset under the fair value measurement method for the quarter ended March 31, 2022 is as follows:
($ in Thousands) | Three months ended Mar 31, 2022 |
Mortgage servicing rights |  |
Mortgage servicing rights at beginning of period | $ | 54,862 |  |
Cumulative effect of accounting methodology change | 2,296 |  |
Balance at beginning of period, adjusted | $ | 57,158 |  |
Additions | 3,042 |  |
Paydowns | (2,637) |  |
Valuation: |  |
Change in fair value model assumptions | 2,345 |  |
Changes in fair value of asset | 7,106 |  |
Mortgage servicing rights at end of period | $ | 67,015 |  |
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”) | $ | 6,972,242 |  |
Mortgage servicing rights to servicing portfolio | 0.96 | % |
Prior to January 1, 2022, the Corporation accounted for its MSRs under the amortization methodology. Under this methodology the Corporation evaluated its MSRs asset for impairment at minimum on a quarterly basis. Impairment was assessed based on fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fell, prepayment speeds were usually faster and the value of the MSRs asset generally decreased, requiring additional valuation reserve. Conversely, as mortgage interest rates rose, prepayment speeds were usually slower and the value of the MSRs asset generally increased, requiring less valuation reserve. A valuation allowance was established, through a charge to earnings, to the extent the amortized cost of the MSRs exceeded the estimated fair value by stratification. An other-than-temporary impairment (i.e., recoverability was considered remote when considering interest rates and loan pay off activity) was recognized as a write-down of the MSRs asset and the related valuation allowance (to the extent a valuation allowance was available) and then against earnings. A direct write-down permanently reduced the carrying value of the MSRs asset and valuation allowance, precluding subsequent recoveries. A summary of changes in the balance of the MSRs asset and the MSRs valuation allowance under the amortization method for the year ended December 31, 2021 is as follows:
($ in Thousands) |  | Year Ended Dec 31, 2021
Mortgage servicing rights |  |
Mortgage servicing rights at beginning of period |  | $ | 59,967 |
Additions |  | 16,151 |
Amortization |  | (19,436) |
Mortgage servicing rights at end of period |  | $ | 56,682 |
Valuation allowance at beginning of period |  | $ | (18,006) |
(Additions) recoveries, net |  | 16,186 |
Valuation allowance at end of period |  | $ | (1,820) |
Mortgage servicing rights, net |  | $ | 54,862 |
Fair value of mortgage servicing rights |  | $ | 57,259 |
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”) |  | $ | 6,994,834 |
Mortgage servicing rights, net to servicing portfolio |  | 0.78 | %
Mortgage servicing rights expense(a) |  | $ | 3,250 |
(a) Includes the amortization of mortgage servicing rights and additions / recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net on the consolidated statements of income
Summary of estimated future amortization expense | The following table shows the estimated future amortization expense for amortizing intangible assets:
($ in Thousands) | Core Deposit Intangibles |  | Mortgage Servicing Rights
Nine months ended December 31, 2022 | $ | 6,608 |  |  | $ | 8,956 |
2023 | 8,811 |  |  | 11,320 |
2024 | 8,811 |  |  | 9,663 |
2025 | 8,811 |  |  | 8,227 |
2026 | 8,811 |  |  | 6,874 |
2027 | 8,811 |  |  | 5,913 |
Beyond 2027 | 5,227 |  |  | 16,062 |
Total Estimated Amortization Expense | $ | 55,890 |  |  | $ | 67,015 |

X
- Definition Summary of changes in balance of mortgage servicing rights asset and mortgage servicing rights valuation allowance. + References No definition available. + Details
Name: | asb_SummaryOfChangesInBalanceOfMortgageServicingRightsAssetAndMortgageServicingRightsValuationAllowanceTableTextBlock
Namespace Prefix: | asb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration