Quarterly Results of Operations (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Results of Operations (Unaudited) [Abstract]

Quarterly Results of Operations (Unaudited)

(18) Quarterly Results of Operations (Unaudited)

The following is a summary of quarterly results of operations for 2012 and 2011 ($ in thousands, except per share and dividend amounts):

	Quarter ended		Quarter ended		Quarter ended		Quarter ended
	December 31		September 30		June 30		March 31
2012:
Total property revenues	$	141,628	$	135,070	$	129,764	$	125,474
Income before discontinued operations	$	49,640	$	20,221	$	42,490	$	17,202
Net income	$	49,640	$	20,221	$	42,490	$	27,239
Net income available to common stockholders	$	43,793	$	16,219	$	37,078	$	22,722
Per share data:
Net income:
Basic	$	1.22	$	0.46	$	1.07	$	0.67
Diluted	$	1.22	$	0.45	$	1.07	$	0.67
Market price:
High	$	150.71	$	160.64	$	161.53	$	151.54
Low	$	136.38	$	147.38	$	146.05	$	136.43
Close	$	146.65	$	148.24	$	153.92	$	151.51
Dividends declared	$	1.10	$	1.10	$	1.10	$	1.10
2011:
Total property revenues	$	122,373	$	117,226	$	114,906	$	111,208
Income before discontinued operations	$	14,493	$	11,767	$	10,502	$	12,106
Net income	$	17,868	$	11,085	$	16,052	$	12,511
Net income available to common stockholders	$	13,937	$	7,687	$	10,326	$	8,418
Per share data:
Net income:
Basic	$	0.42	$	0.23	$	0.32	$	0.27
Diluted	$	0.42	$	0.23	$	0.32	$	0.27
Market price:
High	$	148.44	$	145.40	$	138.31	$	124.41
Low	$	111.25	$	119.15	$	122.67	$	109.98
Close	$	140.51	$	120.04	$	135.29	$	124.00
Dividends declared	$	1.04	$	1.04	$	1.04	$	1.04