Accrued interest rate on deferred bonus.

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Represents the amount of deferred bonus accrued in other liabilities.

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The amount of liabilities payable to a counter party pertain to a business combination.

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The disbursed rate for deferred payments that will be disbursed in next twelve months.

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No definition available.

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The disbursed rate for deferred payments that will be disbursed in year three.

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The disbursed rate for deferred payments that will be disbursed in year two.

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Investment securities pledged as collateral.

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No definition available.

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Number Of Securities Sold Under Agreements To Repurchase

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No definition available.

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Represents the threshold for deferred bonus.

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No definition available.

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Weighted Average Rate Of Securities Sold Under Agreements

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount of the required periodic payments applied to principal.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Amount of interest expense classified as other.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Note 9 - Borrowed Funds (Details Textual)								12 Months Ended
Note 9 - Borrowed Funds (Details Textual)	Nov. 14, 2017 USD ($)	Nov. 04, 2017 USD ($)	Oct. 12, 2017 USD ($)	Jul. 14, 2017 USD ($)	Nov. 23, 2014	Mar. 13, 2014 USD ($)	Nov. 23, 2004 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Securities Sold under Agreements to Repurchase								$ 100,000,000	$ 350,000,000
Weighted Average Rate Of Securities Sold Under Agreements								2.86%	4.06%
Advances from Federal Home Loan Banks								$ 430,000,000	$ 350,000,000
Debt Instrument, Basis Spread on Variable Rate					2.75%	3.50%
Threshold for Deferred Bonus							$ 225,000
Amount of Deferred Bonus Accrued in Other Liabilities						$ 300,000	$ 610,000
Accrued Interest on Deferred Bonus					5.06%	5.02%	7.00%
Interest Expense, Other								87,000	83,000	$ 79,000
Accrued Bonuses								1,800,000	1,700,000
SinoPac Bancorp [Member]
Payments to Acquire Businesses, Gross	$ 100,000,000	$ 100,000,000		$ 285,324,000
Business Combination, Deferred Payments								$ 35,400,000
Business Combination, Deferred Payments, Disbursed Rate, In Next Twelve Months								50.00%
Business Combination, Deferred Payments, Disbursed Rate, In Year Two								30.00%
Business Combination, Deferred Payments, Disbursed Rate, In Year Three								20.00%
Mature in March 2018 [Member]
Advances from Federal Home Loan Banks								$ 30,000,000
Mature in April 2018 [Member]
Advances from Federal Home Loan Banks								15,000,000
Mature in July 2018 [Member]
Advances from Federal Home Loan Banks								5,000,000
Mature in October 2018 [Member]
Advances from Federal Home Loan Banks								5,000,000
Mature in December 2019 [Member]
Advances from Federal Home Loan Banks								$ 50,000,000
Business Combination, Deferred Payments [Member]
Debt Instrument, Interest Rate, Effective Percentage								2.80%
Business Combination, Deferred Payments [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate								1.50%
Term Loan [Member] \| US Bank [Member]
Debt Instrument, Interest Rate, Effective Percentage								3.125%
Debt Instrument, Face Amount			$ 75,000,000
Debt Instrument, Periodic Payment, Principal			$ 4,700,000
Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| US Bank [Member]
Debt Instrument, Basis Spread on Variable Rate			1.75%
Treasury Note [Member]
Debt Instrument, Term					10 years	5 years
Over-night Borrowings [Member]
Advances from Federal Home Loan Banks								$ 325,000,000	$ 275,000,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate								1.41%	0.55%
Non Overnight Borrowings [Member]
Advances from Federal Home Loan Banks								$ 105,000,000	$ 75,000,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate								1.41%	1.48%
Securities Sold under Agreements to Repurchase [Member]
Investment Securities Pledged As Collateral								$ 108,400,000	$ 372,000,000
Fixed Rate Non-callable Securities Sold Under Agreements to Repurchase [Member]
Securities Sold under Agreements to Repurchase								$ 100,000,000	$ 150,000,000
Weighted Average Rate Of Securities Sold Under Agreements								2.86%	2.81%
Number Of Securities Sold Under Agreements To Repurchase								2	3
Fixed Rate Non-callable Securities Sold Under Agreements to Repurchase [Member] \| Mature in June 2018 [Member]
Securities Sold under Agreements to Repurchase								$ 50,000,000
Fixed Rate Non-callable Securities Sold Under Agreements to Repurchase [Member] \| Mature in July 2018 [Member]
Securities Sold under Agreements to Repurchase								$ 50,000,000