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Goodwill and Intangible Assets | 3 Months Ended
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Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Other Intangible Assets In accordance with the Intangibles – Goodwill and Other topic of the FASB ASC, goodwill is not amortized but is reviewed for potential impairment at the reporting unit level. Management analyzes its goodwill for impairment on an annual basis on July 31 and between annual tests in certain circumstances such as material adverse changes in legal, business, regulatory and economic factors. An impairment loss is recorded to the extent that the carrying amount of goodwill exceeds its implied fair value. The CDI is evaluated for impairment if events and circumstances indicate a possible impairment. The CDI is amortized on an accelerated basis over an estimated life of 10 years. The following table sets forth activity for goodwill and other intangible assets for the periods indicated:
|  | Three Months Ended March 31,
|  | 2019 |  | 2018
|  | (in thousands)
Goodwill |  |  |  |
Total goodwill |  | $ | 765,842 |  |  | $ | 765,842 |
Other intangible assets, net |  |  |  |
CDI: |  |  |  |
Gross CDI balance at beginning of period |  | 105,473 |  |  | 105,473 |
Accumulated amortization at beginning of period |  | (60,455 | ) |  | (48,219 | )
CDI, net at beginning of period |  | 45,018 |  |  | 57,254 |
CDI current period amortization |  | (2,748 | ) |  | (3,188 | )
Total CDI, net at end of period |  | 42,270 |  |  | 54,066 |
Intangible assets not subject to amortization |  | 919 |  |  | 919 |
Other intangible assets, net at end of period |  | 43,189 |  |  | 54,985 |
Total goodwill and other intangible assets at end of period |  | $ | 809,031 |  |  | $ | 820,827 |
The following table provides the estimated future amortization expense of our CDI for the remaining nine months ending December 31, 2019 and the succeeding four years:
|  | Year ending December 31,
|  | (in thousands)
2019 |  | $ | 7,731 |
2020 |  | 8,724 |
2021 |  | 7,264 |
2022 |  | 5,880 |
2023 |  | 4,552 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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