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Note 4 - Acquisition - Fair Value of Assets and Liabilities Acquired (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Nov. 14, 2017 | Jul. 14, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Liabilities assumed: |  |  |  |  |  |
Gain from acquisition |  |  |  | $ 5,440,000 | $ 340,000 | $ 5,440,000
SinoPac Bancorp [Member] |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |
Cash and cash equivalents |  | $ 166,932,000 |  |  |  |
Short-term investments |  | 122,000,000 |  |  |  |
Securities available-for-sale |  | 88,044,000 |  |  |  |
FHLB and FRB stock |  | 19,890,000 |  |  |  |
Loans |  | 705,792,000 |  |  |  |
Premises and equipment |  | 6,239,000 |  |  |  |
Cash surrender value of life insurance |  | 46,083,000 |  |  |  |
Deferred tax assets, net |  | 40,690,000 |  |  |  |
Core deposit intangible |  | 6,122,000 |  |  |  |
Accrued interest receivable and other assets |  | 10,689,000 |  |  |  |
Total assets acquired |  | 1,212,481,000 |  |  |  |
Liabilities assumed: |  |  |  |  |  |
Deposits |  | 813,888,000 |  |  |  |
Advances from the Federal Home Loan Bank |  | 30,000,000 |  |  |  |
Accrued interest payable and other liabilities |  | 8,512,000 |  |  |  |
Total liabilities assumed |  | 852,400,000 |  |  |  |
Net assets acquired |  | 360,081,000 |  |  |  |
Cash paid | $ 100,000,000 | 284,984,000 |  |  |  |
Fair value of common stock issued |  | 34,862,000 |  |  |  |
Total consideration paid |  | 319,846,000 |  |  |  |
Purchase price payable to SinoPac |  | 34,267,000 |  |  |  |
Total consideration |  | 354,113,000 |  |  |  |
Gain from acquisition |  | $ 5,968,000 |  |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e31917-109318 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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