Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Rental income	$ 25,012	$ 18,921	$ 50,062	$ 40,217
Interest income from mortgage and other notes	1,972	1,847	3,941	3,549
Investment income and other	1,064	1,054	2,116	2,114
Revenues	28,048	21,822	56,119	45,880
Expenses:
Depreciation	4,558	3,295	8,973	6,559
Interest expense	1,598	747	2,721	1,321
Legal expense	289	128	566	220
Franchise, excise and other taxes	93	229	237	354
General and administrative	2,325	1,593	5,414	4,379
Loan impairment	0	0	(4,037)	0
Total operating expenses	8,863	5,992	21,948	12,833
Income before equity-method investment, discontinued operations and noncontrolling interest	19,185	15,830	34,171	33,047
Income from equity-method investee	69	0	91	0
Investment and other gains	0	30	0	30
Income from continuing operations	19,254	15,860	34,262	33,077
Discontinued operations
Income from operations - discontinued	844	1,068	1,759	2,201
Net income	20,098	16,928	36,021	35,278
Less: net income attributable to noncontrolling interest	(178)	0	(358)	0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	178	0	358	0
Net income attributable to common stockholders	$ 19,920	$ 16,928	$ 35,663	$ 35,278
Weighted average common shares outstanding:
Basic	27,876,176	27,792,834	27,871,120	27,784,469
Diluted	27,913,727	27,820,831	27,907,600	27,812,027
Basic:
Income from continuing operations attributable to common stockholders	$ 0.68	$ 0.57	$ 1.22	$ 1.19
Discontinued operations	$ 0.03	$ 0.04	$ 0.06	$ 0.08
Net income per common share attributable to common stockholders	$ 0.71	$ 0.61	$ 1.28	$ 1.27
Diluted:
Income from continuing operations attributable to common stockholders	$ 0.68	$ 0.57	$ 1.21	$ 1.19
Discontinued operations	$ 0.03	$ 0.04	$ 0.06	$ 0.08
Net income per common share attributable to common stockholders	$ 0.71	$ 0.61	$ 1.27	$ 1.27