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Note 10 - Capital Resources - Outstanding Junior Subordinated Notes (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | May 31, 2014
Junior subordinated debt | $ 119,136,000 | $ 119,100,000
Cathay Capital Trust I [Member] |  |
Issuance date | Jun. 26, 2003 |
Junior subordinated debt | $ 20,619,000 |
Not redeemable until | Jun. 30, 2008 |
Stated maturity | Jun. 30, 2033 |
Annualized coupon rate | 3.15 |
Trust I | 5.95% |
Date of rate change | Dec. 30, 2018 |
Payable/distribution date | March 30, June 30, September 30, December 30 |
Cathay Statutory Trust I [Member] |  |
Issuance date | Sep. 17, 2003 |
Junior subordinated debt | $ 20,619,000 |
Not redeemable until | Sep. 17, 2008 |
Stated maturity | Sep. 17, 2033 |
Annualized coupon rate | 3.00 |
Trust I | 5.79% |
Date of rate change | Dec. 18, 2018 |
Payable/distribution date | March 17, June 17, December 17 |
Cathay Capital Trust II [Member] |  |
Issuance date | Dec. 30, 2003 |
Junior subordinated debt | $ 12,887,000 |
Not redeemable until | Mar. 30, 2009 |
Stated maturity | Mar. 30, 2034 |
Annualized coupon rate | 2.90 |
Trust I | 5.70% |
Date of rate change | Dec. 30, 2018 |
Payable/distribution date | March 30, June 30, September 30, December 30 |
Cathay Capital Trust III [Member] |  |
Issuance date | Mar. 28, 2007 |
Junior subordinated debt | $ 46,392,000 |
Not redeemable until | Jun. 15, 2012 |
Stated maturity | Jun. 15, 2037 |
Annualized coupon rate | 1.48 |
Trust I | 4.27% |
Date of rate change | Dec. 15, 2018 |
Payable/distribution date | March 15, June 15, September 15, December 15 |
Cathay Capital Trust IV [Member] |  |
Issuance date | May 31, 2007 |
Junior subordinated debt | $ 18,619,000 |
Not redeemable until | Sep. 06, 2012 |
Stated maturity | Sep. 06, 2034 |
Annualized coupon rate | 1.4 |
Trust I | 4.14% |
Date of rate change | Dec. 06, 2018 |
Payable/distribution date | March 6, June 6, September 6, December 6 |

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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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