| Document and Entity Information | Sep. 10, 2019 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001473078 |
| Document Type | 8-K |
| Document Period End Date | Sep. 10, 2019 |
| Entity Registrant Name | CHESAPEAKE LODGING TRUST |
| Entity Incorporation State Country Code | MD |
| Entity File Number | 001-34572 |
| Entity Tax Identification Number | 27-0372343 |
| Entity Address, Address Line One | 4300 Wilson Boulevard |
| Entity Address, Address Line Two | Suite 625 |
| Entity Address, City or Town | Arlington |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22203 |
| City Area Code | (571) |
| Local Phone Number | 349-9450 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Shares of Beneficial Interest, $.01 par value |
| Trading Symbol | CHSP |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
