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Goodwill and Other Intangibles (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Line Items] |  |  |
Goodwill | $ 112,739 | $ 72,334 |
Finite-Lived Intangible Assets, Gross | 6,249 |  |
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 1,234 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 1,149 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three | 869 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four | 629 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five | 521 |  |
Finite-Lived Intangible Assets, Accumulated Amortization | 578 |  |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 1,300 |  |
Intangible Assets, Gross (Excluding Goodwill) | 7,549 |  |
Other Intangible Assets, Net | 6,971 | 0 |
Intangible Assets, Net (Including Goodwill) | 119,710 | 72,334 |
Goodwill, Acquired During Period | 40,405 |  |
Indefinite-lived Intangible Assets Acquired | 7,549 |  |
Acquired goodwill and intangibles | 47,954 |  |
Amortization of intangibles | 578 | 0 | $ 0
Trade Names [Member] |  |  |
Goodwill [Line Items] |  |  |
Finite-Lived Intangible Assets, Accumulated Amortization | 0 |  |
Core Deposits [Member] |  |  |
Goodwill [Line Items] |  |  |
Finite-Lived Intangible Assets, Accumulated Amortization | $ 578 | $ 0 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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