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Mergers and Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2017
Business Combinations [Abstract] |
Consideration transferred, identifiable net assets acquired and resulting goodwill | The following table discloses the calculation of the fair value of the consideration transferred, the total identifiable net assets acquired and the resulting goodwill arising from the Foothills and TSB acquisitions:
| Foothills |  | TSB
(Dollars in thousands) | April 30, 2017 |  | August 31, 2016
Fair value of consideration transferred |  |  |
Fair value of Company shares issued, net of equity issuance costs | $ | 46,673 |  |  | 10,465 |
Cash consideration for outstanding shares | 17,342 |  |  | 3,475 |
Contingent consideration | — |  |  | — |
Total fair value of consideration transferred | 64,015 |  |  | 13,940 |
Recognized amounts of identifiable assets acquired and liabilities assumed |  |  |
Identifiable assets acquired |  |  |
Cash and cash equivalents | 13,251 |  |  | 10,176 |
Investment securities | 25,420 |  |  | — |
Loans receivable | 292,529 |  |  | 51,875 |
Core deposit intangible 1 | 4,331 |  |  | 762 |
Accrued income and other assets | 19,699 |  |  | 6,937 |
Total identifiable assets acquired | 355,230 |  |  | 69,750 |
Liabilities assumed |  |  |
Deposits | 296,760 |  |  | 58,364 |
FHLB advances | 22,800 |  |  | 3,260 |
Accrued expenses and other liabilities | 2,264 |  |  | 601 |
Total liabilities assumed | 321,824 |  |  | 62,225 |
Total identifiable net assets | 33,406 |  |  | 7,525 |
Goodwill recognized | $ | 30,609 |  |  | 6,415 |
______________________________ 1 The core deposit intangible for each acquisition was determined to have an estimated life of 10 years.
Unaudited Pro Forma Summary of the Company as if the Acquisitions had Occurred at the Beginning of the Period | The following unaudited pro forma summary presents consolidated information of the Company as if the Foothills acquisition had occurred on January 1, 2016:
| Years ended
(Dollars in thousands) | December 31, 2017 |  | December 31, 2016
Net interest income and non-interest income | $ | 462,603 |  |  | 436,678 |
Net income | 114,187 |  |  | 124,373 |
Total income consisting of net interest income and non-interest income of the acquired operations of TSB was approximately $1,800,000 and net income was approximately $897,000 from August 31, 2016 to December 31, 2016. The following unaudited pro forma summary presents consolidated information of the Company as if the TSB acquisition had occurred on January 1, 2015:
| Years ended
(Dollars in thousands) | December 31, 2016 |  | December 31, 2015
Net interest income and non-interest income | $ | 424,242 |  |  | 392,252 |
Net income | 120,929 |  |  | 116,577 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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