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Operating Segments to the corresponding amounts Narrative (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Mar. 31, 2014
Operating Segments to the corresponding amounts in narrative:    
Segment assets $ 696,606fil_SegmentAssets $ 648,139fil_SegmentAssets
Assets held for sale 0fil_AssetsHeldForSale 35,475fil_AssetsHeldForSale
Investments in unconsolidated investees 4,462fil_InvestmentsInUnconsolidatedInvestees 3,990fil_InvestmentsInUnconsolidatedInvestees
Notes and interest receivable 138,163fil_NotesAndInterestReceivable 129,220fil_NotesAndInterestReceivable
Other assets 106,457fil_OtherAssets2 123,332fil_OtherAssets2
Total assets $ 945,688fil_TotalAssets $ 940,156fil_TotalAssets