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Mergers and Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2014
Business Combinations [Abstract] |
Consideration transferred, identifiable net assets acquired and resulting bargain purchase gain or goodwill | The following table discloses the calculation of the fair value of the consideration transferred, the total identifiable net assets acquired and the resulting bargain purchase gain or goodwill arising from the FNBR, NCBI and Wheatland acquisitions:
| FNBR |  | NCBI |  | Wheatland
(Dollars in thousands) | August 31, 2014 |  | July 31, 2013 |  | May 31, 2013
Fair value of consideration transferred |  |  |  |  |
Fair value of Company shares issued, net of equity issuance costs | $ | 15,127 |  |  | 16,743 |  |  | 28,290 |
Cash consideration for outstanding shares | 16,690 |  |  | 13,833 |  |  | 11,025 |
Contingent consideration | — |  |  | — |  |  | — |
Total fair value of consideration transferred | 31,817 |  |  | 30,576 |  |  | 39,315 |
Recognized amounts of identifiable assets acquired and liabilities assumed |  |  |  |  |
Identifiable assets acquired |  |  |  |  |
Cash and cash equivalents | 14,578 |  |  | 27,865 |  |  | 23,148 |
Investment securities | 157,018 |  |  | 48,058 |  |  | 75,643 |
Loans receivable | 137,488 |  |  | 215,986 |  |  | 171,199 |
Core deposit intangible | 4,199 |  |  | 3,660 |  |  | 2,079 |
Accrued income and other assets | 35,884 |  |  | 24,262 |  |  | 15,063 |
Total identifiable assets acquired | 349,167 |  |  | 319,831 |  |  | 287,132 |
Liabilities assumed |  |  |  |  |
Deposits | 309,641 |  |  | 294,980 |  |  | 255,197 |
Federal Home Loan Bank advances | — |  |  | — |  |  | 5,467 |
Accrued expenses and other liabilities | 7,029 |  |  | 4,472 |  |  | 562 |
Total liabilities assumed | 316,670 |  |  | 299,452 |  |  | 261,226 |
Total identifiable net assets | 32,497 |  |  | 20,379 |  |  | 25,906 |
(Bargain purchase gain) goodwill recognized | $ | (680 | ) |  | 10,197 |  |  | 13,409 |
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 FNBR acquisition had occurred on January 1, 2013:
| Years ended
(Dollars in thousands) | December 31, 2014 |  | December 31, 2013
Net interest income and non-interest income | $ | 371,772 |  |  | 340,393 |
Net income | 113,364 |  |  | 99,275 |
The following unaudited pro forma summary presents consolidated information of the Company as if the NCBI and Wheatland acquisitions had occurred on January 1, 2012:
| Years ended
(Dollars in thousands) | December 31, 2013 |  | December 31, 2012
Net interest income and non-interest income | $ | 339,236 |  |  | 334,317 |
Net income | 96,392 |  |  | 80,403 |

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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=25497992&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=39739317&loc=d3e4845-128472 + Details
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