Document and Entity Information
Document and Entity Information | Oct. 15, 2021 |
Document And Entity Information [Line Items] | |
Entity Registrant Name | CAPSTEAD MORTGAGE CORP |
Amendment Flag | false |
Entity Central Index Key | 0000766701 |
Document Type | 8-K |
Document Period End Date | Oct. 15, 2021 |
Entity Incorporation State Country Code | MD |
Entity File Number | 001-08896 |
Entity Tax Identification Number | 75-2027937 |
Entity Address, Address Line One | 8401 North Central Expressway |
Entity Address, Address Line Two | Suite 800 |
Entity Address, City or Town | Dallas |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 75225 |
City Area Code | (214) |
Local Phone Number | 874-2323 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Common Stock [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Common Stock, $0.01 Par Value |
Trading Symbol | CMO |
Security Exchange Name | NYSE |
Series E Preferred Stock [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | 7.50% Series E Cumulative Redeemable Preferred Stock, $0.10 par value |
Trading Symbol | CMOPRE |
Security Exchange Name | NYSE |