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Acquisition (Tables) | 9 Months Ended
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Sep. 30, 2019
Business Combinations [Abstract] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] | The following table summarizes the estimated fair value of the assets acquired and liabilities assumed as of the date of the acquisition:
| Net Assets Acquired at Fair Value
| (Dollars in thousands)
Assets |
Cash | $ | 56,331 |
Investments | 196,937 |
Loans | 2,073,714 |
Premises and equipment | 24,253 |
Goodwill | 248,457 |
Core deposit and other intangibles | 19,870 |
Other assets | 147,836 |
Total assets acquired | 2,767,398 |
Liabilities |
Deposits | 1,930,436 |
Borrowings | 124,817 |
Other liabilities | 50,857 |
Total liabilities assumed | 2,106,110 |
Purchase price | $ | 661,288 |
Purchased Credit Impaired Loans Associated with Acquisition [Table Text Block] | The following is a summary of these PCI loans associated with the acquisition as of the date acquired:
|  | As of April 1, 2019
|  | (Dollars in thousands)
Contractually required principal and interest at acquisition |  | 14,849 |
Contractual cash flows not expected to be collected |  | (5,717 | )
Expected cash flows at acquisition |  | 9,132 |
Interest component of expected cash flows |  | (1,464 | )
Basis in PCI loans at acquisition - estimated fair value |  | 7,668 |
Business Acquisition, Pro Forma Information [Table Text Block] | The following summarizes the unaudited pro forma results of operations as if the Company acquired BHB on January 1, 2019 (2018 amounts represent combined results for the Company and BHB). The selected pro forma financial information is presented for illustrative purposes only and is not necessarily indicative of the financial results of the combined companies had the acquisition actually been completed at the beginning of the period presented, nor does it indicate future results for any other interim or full-year period.
|  | Three Months Ended |  | Nine Months Ended
|  | September 30 |  | September 30
|  | 2019 |  | 2018 |  | 2019 |  | 2018
|  |  | (Dollars in thousands)
Net interest income after provision for loan losses |  | $ | 104,598 |  |  | $ | 94,804 |  |  | $ | 312,925 |  |  | $ | 271,644 |
Net income |  | $ | 51,845 |  |  | $ | 38,804 |  |  | $ | 81,907 |  |  | $ | 110,517 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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