Document and Entity Information
Document and Entity Information | Apr. 28, 2021 |
Document and Entity Information [Line Items] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Apr. 28, 2021 |
Entity Registrant Name | CAPSTEAD MORTGAGE CORPORATION |
Entity Central Index Key | 0000766701 |
Entity Emerging Growth Company | false |
Entity File Number | 001-08896 |
Entity Incorporation, State or Country Code | MD |
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 |
Common Stock [Member] | |
Document and Entity Information [Line Items] | |
Security 12b Title | Common Stock ($0.01 par value) |
Trading Symbols | 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 Symbols | CMOPRE |
Security Exchange Name | NYSE |