XML 19 R27.htm IDEA: XBRL DOCUMENT v2.3.0.15

Summary of Significant Accounting Policies (Details)	9 Months Ended
	Sep. 09, 2011 hotels weeks
Weeks in First Three Reporting Quarters (in weeks)	12
Minimum [Member]
Weeks in Fourth Reporting Quarter (in weeks)	16
Maximum [Member]
Weeks in Fourth Reporting Quarter (in weeks)	17
Buildings, Land Improvements, and Building Improvements [Member]
Property, Plant and Equipment, Useful Life, Minimum (in years)	15
Property, Plant and Equipment, Useful Life, Maximum (in years)	40
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment, Useful Life, Minimum (in years)	1
Property, Plant and Equipment, Useful Life, Maximum (in years)	10

X

- Definition

Weeks in First Three Reporting Quarters

+ Details

Name:	drh_WeeksInFirstThreeReportingQuarters
Namespace Prefix:	drh
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weeks in Fourth Reporting Quarter

+ Details

Name:	drh_WeeksInFourthReportingQuarter
Namespace Prefix:	drh
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum
Namespace Prefix:	us-gaap
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum
Namespace Prefix:	us-gaap
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration