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Note 11 - Capital Resources - Outstanding Junior Subordinated Notes (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | May 31, 2014
Junior subordinated debt | $ 119,136 | $ 119,136 | $ 119,100
Cathay Capital Trust I [Member] |  |  |
Junior subordinated debt | $ 20,619 | $ 20,619 |
current interest rate | 6.82% | 3.37% |
coupon rate | 3.15% | 3.15% |
Cathay Statutory Trust I [Member] |  |  |
Junior subordinated debt | $ 20,619 | $ 20,619 |
current interest rate | 6.53% | 3.22% |
coupon rate | 3.00% | 3.00% |
Cathay Capital Trust II [Member] |  |  |
Junior subordinated debt | $ 12,887 | $ 12,887 |
current interest rate | 6.57% | 3.12% |
coupon rate | 2.90% | 2.90% |
Cathay Capital Trust III [Member] |  |  |
Junior subordinated debt | $ 46,392 | $ 46,392 |
current interest rate | 4.77% | 1.68% |
coupon rate | 1.48% | 1.48% |
Cathay Capital Trust IV [Member] |  |  |
Junior subordinated debt | $ 18,619 | $ 18,619 |
current interest rate | 4.54% | 1.58% |
coupon rate | 1.40% | 1.40% |

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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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