XML 156 R60.htm IDEA: XBRL DOCUMENT v2.4.0.8
Segment Information - Segment Revenues and Earnings (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Segment Reporting Information [Line Items]        
Total revenues $ 60,079 $ 35,312 $ 157,550 $ 63,404
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 1,452 1,543 7,396 5,965
Segment Earnings [Member]
       
Segment Reporting Information [Line Items]        
Total revenues 60,079 35,312 157,550 63,404
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 13,338 12,213 39,163 30,055
Segment Earnings [Member] | Real estate [Member]
       
Segment Reporting Information [Line Items]        
Total revenues 41,219 26,647 119,908 44,569
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 8,104 7,666 27,550 19,243
Segment Earnings [Member] | Oil and gas [Member]
       
Segment Reporting Information [Line Items]        
Total revenues 15,831 7,148 31,335 16,574
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 4,243 5,005 9,370 12,133
Segment Earnings [Member] | Other natural resources [Member]
       
Segment Reporting Information [Line Items]        
Total revenues 3,029 1,517 6,307 2,261
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 991 (458) 2,243 (1,321)
Items not allocated to segments [Member]
       
Segment Reporting Information [Line Items]        
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent (11,886) (10,670) (31,767) (24,090)
Items not allocated to segments [Member] | General and administrative expense [Member]
       
Segment Reporting Information [Line Items]        
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 5,329 7,120 10,287 11,482
Items not allocated to segments [Member] | Share-based compensation expense [Member]
       
Segment Reporting Information [Line Items]        
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 1,460 (67) 11,875 5,164
Items not allocated to segments [Member] | Interest expense [Member]
       
Segment Reporting Information [Line Items]        
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent 5,122 3,664 9,661 7,555
Items not allocated to segments [Member] | Other corporate non-operating income [Member]
       
Segment Reporting Information [Line Items]        
Segment Reporting Information Income (Loss) From Continuing Operations Before Income Taxes Attributable To Parent $ 25 $ 47 $ 56 $ 111