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Segment Reporting | 6 Months Ended
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Jun. 30, 2018
Segment Reporting [Abstract] |
Segment Reporting | Segment Reporting The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2017 Annual Report on Form 10-K, with certain exceptions. The more significant of these exceptions are described herein. The Corporation allocates net interest income using an internal funds transfer pricing ("FTP") methodology that charges users of funds (assets) and credits providers of funds (liabilities, primarily deposits) based on the maturity, prepayment and / or repricing characteristics of the assets and liabilities. The net effect of this allocation is recorded in the Risk Management and Shared Services segment. A credit provision is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an incurred loss model using the methodologies described in the Corporation’s 2017 Annual Report on Form 10-K to assess the overall appropriateness of the allowance for loan losses. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including amortization of core deposit and other intangible assets associated with acquisitions) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk). The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. generally accepted accounting principles. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting footnote in the Corporation’s 2017 Annual Report on Form 10-K. The Corporate and Commercial Specialty segment serves a wide range of customers including larger businesses, developers, not-for-profits, municipalities, and financial institutions. The Community, Consumer, and Business segment serves individuals, as well as small and mid-sized businesses. The Risk Management and Shared Services segment includes key shared operational functions and also includes residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (FTP mismatches) and credit risk and provision residuals (long-term credit charge mismatches). In addition, the Risk Management and Shared Services segment includes certain unallocated expenses related to Bank Mutual's shared services and operations prior to system conversion in late June 2018. Information about the Corporation’s segments is presented below.
Segment Income Statement Data |  |  |  |  |  |  |
($ in Thousands) | Corporate and Commercial Specialty |  | Community, Consumer, and Business |  | Risk Management and Shared Services |  | Consolidated Total
Three Months Ended June 30, 2018 |  |  |  |  |  |  |
Net interest income | $ | 107,330 |  |  | $ | 114,620 |  |  | $ | 4,413 |  |  | $ | 226,362 |
Noninterest income | 14,194 |  |  | 76,250 |  |  | 2,399 |  |  | 92,842 |
Total revenue | 121,524 |  |  | 190,870 |  |  | 6,812 |  |  | 319,204 |
Credit provision(a) | 11,126 |  |  | 4,880 |  |  | (12,006 | ) |  | 4,000 |
Noninterest expense | 41,775 |  |  | 138,553 |  |  | 30,929 |  |  | 211,258 |
Income (loss) before income taxes | 68,623 |  |  | 47,437 |  |  | (12,111 | ) |  | 103,947 |
Income tax expense (benefit) | 13,454 |  |  | 9,962 |  |  | (8,661 | ) |  | 14,754 |
Net income (loss) | $ | 55,169 |  |  | $ | 37,475 |  |  | $ | (3,450 | ) |  | $ | 89,192 |
Return on average allocated capital (ROCET1)(b) | 17.9 | % |  | 22.7 | % |  | (3.9 | )% |  | 14.0 | %
Three Months Ended June 30, 2017 |  |  |  |  |  |  |
Net interest income | $ | 89,871 |  |  | $ | 90,131 |  |  | $ | 3,817 |  |  | $ | 183,819 |
Noninterest income | 12,497 |  |  | 65,809 |  |  | 4,104 |  |  | 82,410 |
Total revenue | 102,368 |  |  | 155,940 |  |  | 7,921 |  |  | 266,229 |
Credit provision(a) | 11,470 |  |  | 5,764 |  |  | (5,234 | ) |  | 12,000 |
Noninterest expense | 39,418 |  |  | 125,242 |  |  | 11,656 |  |  | 176,316 |
Income (loss) before income taxes | 51,480 |  |  | 24,934 |  |  | 1,499 |  |  | 77,913 |
Income tax expense (benefit) | 16,363 |  |  | 8,727 |  |  | (5,160 | ) |  | 19,930 |
Net income | $ | 35,117 |  |  | $ | 16,207 |  |  | $ | 6,659 |  |  | $ | 57,983 |
Return on average allocated capital (ROCET1)(b) | 12.5 | % |  | 11.0 | % |  | 4.5 | % |  | 10.6 | %
Segment Balance Sheet Data |  |  |  |  |  |  |
($ in Thousands) | Corporate and Commercial Specialty |  | Community, Consumer, and Business |  | Risk Management and Shared Services |  | Consolidated Total
Three Months Ended June 30, 2018 |  |  |  |  |  |  |
Average earning assets | $ | 12,066,538 |  |  | $ | 10,402,680 |  |  | $ | 7,943,487 |  |  | $ | 30,412,705 |
Average loans | 12,054,347 |  |  | 10,399,458 |  |  | 551,624 |  |  | 23,005,428 |
Average deposits | 7,621,977 |  |  | 13,736,251 |  |  | 2,288,021 |  |  | 23,646,250 |
Average allocated capital (CET1)(b) | $ | 1,236,918 |  |  | $ | 663,172 |  |  | $ | 588,411 |  |  | $ | 2,488,501 |
Three Months Ended June 30, 2017 |  |  |  |  |  |  |
Average earning assets | $ | 10,853,881 |  |  | $ | 9,510,571 |  |  | $ | 6,380,103 |  |  | $ | 26,744,555 |
Average loans | 10,841,858 |  |  | 9,508,683 |  |  | 171,449 |  |  | 20,521,990 |
Average deposits | 6,447,190 |  |  | 11,574,028 |  |  | 3,501,931 |  |  | 21,523,149 |
Average allocated capital (CET1)(b) | $ | 1,125,494 |  |  | $ | 588,880 |  |  | $ | 385,451 |  |  | $ | 2,099,825 |
(a) | The consolidated credit provision is equal to the actual reported provision for credit losses.
(b) The Federal Reserve establishes capital adequacy requirements for the Corporation, including common equity Tier 1. For segment reporting purposes, the ROCET1 reflects return on average allocated common equity Tier 1. The ROCET1 for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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