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Real estate, depreciation and impairment (Details)	Mar. 31, 2013
Minimum useful life of Buildings and improvments	10
Maximum useful life of Buildings and improvments	40
Minimum useful life of Furniture, fixtures and equipment	5
Maximum useful life of Furniture, fixtures and equipment	10

X

- Definition

The maximum number of years used in the computation of depreciation of buildings and improvements, which is the amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful life.

+ References

No definition available.

+ Details

Name:	fil_MaximumUsefulLifeOfBuildingsAndImprovments
Namespace Prefix:	fil_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The maximum number of years used in the computation of depreciation of furniture, fixtures and equipment, which is the amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful life.

+ References

No definition available.

+ Details

Name:	fil_MaximumUsefulLifeOfFurnitureFixturesAndEquipment
Namespace Prefix:	fil_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The minimum number of years used in the computation of depreciation of buildings and improvements, which is the amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful life.

+ References

No definition available.

+ Details

Name:	fil_MinimumUsefulLifeOfBuildingsAndImprovments
Namespace Prefix:	fil_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The minimum number of years used in the computation of depreciation of furniture, fixtures and equipment, which is the amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful life.

+ References

No definition available.

+ Details

Name:	fil_MinimumUsefulLifeOfFurnitureFixturesAndEquipment
Namespace Prefix:	fil_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant