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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

The following table sets forth our Preferred Stock:



Preferred Stock Issuances	Issue Date	Number of Shares Outstanding	Carrying Value		Liquidation Preference Per Share		Optional Redemption Date	Annual Dividends Payable Per Share
		(in thousands)
December 31, 2012
8.625% Series A Cumulative Redeemable	2/12/1997	29	$	29,077	$	1,000	2/12/2027	$	86.25
December 31, 2011
8.625% Series A Cumulative Redeemable	2/12/1997	29	$	29,077	$	1,000	2/12/2027	$	86.25

Our officers generally receive annual grants of stock options and restricted stock on or about March 1 of each year. Restricted stock grants are also made annually to directors and certain other employees. Except as set forth in the next sentence, dividends received on restricted stock are non-forfeitable and are paid at the same rate and on the same date as on shares of Common Stock. Commencing in 2012 with respect to shares of restricted stock issued to our chief executive officer and subject to any delay in payment that would result in adverse tax consequences under Section 409A of the Code, dividends will accumulate and be payable only if and to the extent the shares vest. Dividends paid on subsequently forfeited shares are expensed. Additional total return-based restricted stock may be issued at the end of the three-year periods if actual performance exceeds certain levels of performance. Such additional shares, if any, would be fully vested when issued. No expense is recorded for additional shares of total return-based restricted stock that may be issued at the end of the three-year period since that possibility is reflected in the grant date fair value. The following table sets forth the number of shares of Common Stock reserved for future issuance:



	December 31,
	2012	2011
Outstanding stock options and warrants	1,144,309	1,224,455
Possible future issuance under equity incentive plans	2,047,550	2,363,695
	3,191,859	3,588,150

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The following table sets forth stock option activity:



	Options Outstanding
	Number of Shares		Weighted Average Exercise Price
Balances at December 31, 2009	1,467,773		$	27.15
Options granted	190,826		29.05
Options exercised	(178,403	)	22.54
Balances at December 31, 2010	1,480,196		27.95
Options granted	146,581		33.93
Options exercised	(417,322	)	26.79
Balances at December 31, 2011	1,209,455		29.08
Options granted	190,886		31.97
Options exercised	(271,032	)	26.87
Balances at December 31, 2012 (1) (2)	1,129,309		$	30.10

__________


13.	Employee Benefit Plans - Continued


(1)	The outstanding options at December 31, 2012 had a weighted average remaining life of 3.3 years.


(2)	We have 634,550 options exercisable at December 31, 2012 with a weighted average exercise price of $30.75, weighted average remaining life of 2.1 years and intrinsic value of $2.6 million. Of these exercisable options, 173,007 had exercise prices higher than the market price of our Common Stock at December 31, 2012.

Schedule of NonQualified Deferred Compensation Liability

The following table sets forth our deferred compensation liability:



	Year Ended December 31,
	2012			2011			2010
Beginning deferred compensation liability	$	3,149		$	4,091		$	6,898
Contributions to deferred compensation plans	—			545			229
Mark-to-market adjustment to deferred compensation (in general and administrative expenses)	475			(119		)	246
Distributions from deferred compensation plans	(270		)	(1,368		)	(3,282		)
Total deferred compensation liability	$	3,354		$	3,149		$	4,091

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

Stock options issued prior to 2005 vest ratably over four years and remain outstanding for 10 years. Stock options issued beginning in 2005 vest ratably over a four-year period and remain outstanding for seven years. The value of all options as of the date of grant is calculated using the Black-Scholes option-pricing model and is amortized over the respective vesting or service period. The fair values of options granted during 2012, 2011 and 2010 were $5.47, $6.47 and $4.96, respectively, per option. The fair values of the options granted were determined at the grant dates using the following assumptions:



	2012		2011		2010
Risk free interest rate (1)	1.1	%	2.4	%	2.6	%
Common stock dividend yield (2)	5.3	%	5.0	%	5.9	%
Expected volatility (3)	33.4	%	32.5	%	32.2	%
Average expected option life (years) (4)	5.75		5.75		5.75

__________


(1)	Represents the interest rate as of the grant date on US treasury bonds having the same life as the estimated life of the option grants.


(2)	The dividend yield is calculated utilizing the dividends paid for the previous one-year period and the per share price of Common Stock on the date of grant.


(3)	Based on the historical volatility of Common Stock over a period relevant to the related stock option grant.


(4)	The average expected option life is based on an analysis of our historical data.

Time-Based Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following table sets forth time-based restricted stock activity:



	Number of Shares		Weighted Average Grant Date Fair Value
Restricted shares outstanding at December 31, 2009	316,074		$	28.60
Awarded and issued (1)	88,930		29.05
Vested (2)	(138,745	)	31.81
Forfeited	(1,933	)	25.86
Restricted shares outstanding at December 31, 2010	264,326		27.08
Awarded and issued (1)	76,966		33.70
Vested (2)	(116,631	)	30.64
Restricted shares outstanding at December 31, 2011	224,661		28.02
Awarded and issued (1)	90,983		32.27
Vested (2)	(92,239	)	27.14
Forfeited	(903	)	30.12
Restricted shares outstanding at December 31, 2012	222,502		$	30.31

__________


(1)	The fair value at grant date of time-based restricted stock issued during the years ended December 31, 2012, 2011 and 2010 was $2.9 million, $2.6 million and $2.6 million, respectively.


(2)	The vesting date fair value of time-based restricted stock that vested during the years ended December 31, 2012, 2011 and 2010 was $2.9 million, $3.9 million and $4.3 million, respectively. Vested shares include those shares repurchased for withholding taxes.

Total Return-Based Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following table sets forth total return-based restricted stock activity:



	Number of Shares		Weighted Average Grant Date Fair Value
Restricted shares outstanding at December 31, 2009	202,775		$	22.05
Awarded and issued (1)	77,624		29.05
Vested (2)	(47,257	)	38.50
Forfeited	(1,307	)	22.99
Restricted shares outstanding at December 31, 2010	231,835		21.03
Awarded and issued (1)	57,386		41.02
Vested (2)	(66,417	)	13.79
Forfeited	(99,975	)	13.79
Restricted shares outstanding at December 31, 2011	122,829		34.86
Awarded and issued (1)	67,902		38.71
Vested (2)	(32,722	)	29.47
Forfeited	(32,721	)	29.47
Restricted shares outstanding at December 31, 2012	125,288		$	32.87

__________


(1)	The fair value at grant date of total return-based restricted stock issued during the years ended December 31, 2012, 2011 and 2010 was $2.6 million, $2.4 million and $2.3 million, respectively. There were no performance-based restricted stock issued subsequent to 2008.


(2)	The vesting date fair value of total return-based and other types of performance-based restricted stock that vested during the years ended December 31, 2012, 2011 and 2010 was $1.1 million, $2.0 million and $1.6 million, respectively. Vested shares include those shares repurchased for withholding taxes.

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

During 2012, 2011 and 2010, we issued shares of total return-based restricted stock to officers that will vest from zero to 250% based on (1) our absolute total returns for certain pre-determined three-year periods relative to defined target returns and (2) whether our total return exceeds the average total returns of a selected group of peer companies. The grant date fair value of such shares of total return-based restricted stock was determined to be $38.71, $41.02 and $29.05, respectively, of the market value of a share of Common Stock as of the grant date and is amortized over the respective three-year period. The fair values of the total return-based restricted stock granted were determined at the grant dates using the following assumptions:



	2012		2011		2010
Risk free interest rate (1)	0.4	%	1.0	%	1.3	%
Common stock dividend yield (2)	5.4	%	5.4	%	5.6	%
Expected volatility (3)	43.7	%	42.8	%	42.5	%

__________


(1)	Represents the interest rate as of the grant date on US treasury bonds having the same life as the estimated life of the total return-based restricted stock grants.


(2)	The dividend yield is calculated utilizing the dividends paid for the previous one-year period and the per share price of Common Stock on the date of grant.


(3)	Based on the historical volatility of Common Stock over a period relevant to the related total return-based restricted stock grant.

Partnership [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Stock by Class

The following table sets forth our Preferred Units:



Preferred Unit Issuances	Issue Date	Number of Units Outstanding	Carrying Value		Liquidation Preference Per Unit		Optional Redemption Date	Annual Distributions Payable Per Unit
		(in thousands)
December 31, 2012
8.625% Series A Cumulative Redeemable	2/12/1997	29	$	29,077	$	1,000	2/12/2027	$	86.25
December 31, 2011
8.625% Series A Cumulative Redeemable	2/12/1997	29	$	29,077	$	1,000	2/12/2027	$	86.25

The Company's officers generally receive annual grants of stock options and restricted stock on or about March 1 of each year. Restricted stock grants are also made annually to directors and certain other employees. Except as set forth in the next sentence, dividends received on restricted stock are non-forfeitable and are paid at the same rate and on the same date as on shares of Common Stock. Commencing in 2012 with respect to shares of restricted stock issued to the Company's chief executive officer and subject to any delay in payment that would result in adverse tax consequences under Section 409A of the Code, dividends will accumulate and be payable only if and to the extent the shares vest. Dividends paid on subsequently forfeited shares are expensed. Additional total return-based restricted stock may be issued at the end of the three-year periods if actual performance exceeds certain levels of performance. Such additional shares, if any, would be fully vested when issued. No expense is recorded for additional shares of total return-based restricted stock that may be issued at the end of the three-year period since that possibility is reflected in the grant date fair value. The following table sets forth the number of shares of Common Stock reserved for future issuance:



	December 31,
	2012	2011
Outstanding stock options and warrants	1,144,309	1,224,455
Possible future issuance under equity incentive plans	2,047,550	2,363,695
	3,191,859	3,588,150

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The following table sets forth stock option activity:



	Options Outstanding
	Number of Shares		Weighted Average Exercise Price
Balances at December 31, 2009	1,467,773		$	27.15
Options granted	190,826		29.05
Options exercised	(178,403	)	22.54
Balances at December 31, 2010	1,480,196		27.95
Options granted	146,581		33.93
Options exercised	(417,322	)	26.79
Balances at December 31, 2011	1,209,455		29.08
Options granted	190,886		31.97
Options exercised	(271,032	)	26.87
Balances at December 31, 2012 (1) (2)	1,129,309		$	30.10

__________


(1)	The outstanding options at December 31, 2012 had a weighted average remaining life of 3.3 years.


(2)	The Company has 634,550 options exercisable at December 31, 2012 with a weighted average exercise price of $30.75, weighted average remaining life of 2.1 years and intrinsic value of $2.6 million. Of these exercisable options, 173,007 had exercise prices higher than the market price of our Common Stock at December 31, 2012.

Schedule of NonQualified Deferred Compensation Liability

The following table sets forth the Company's deferred compensation liability:



	Year Ended December 31,
	2012			2011			2010
Beginning deferred compensation liability	$	3,149		$	4,091		$	6,898
Contributions to deferred compensation plans	—			545			229
Mark-to-market adjustment to deferred compensation (in general and administrative expenses)	475			(119		)	246
Distributions from deferred compensation plans	(270		)	(1,368		)	(3,282		)
Total deferred compensation liability	$	3,354		$	3,149		$	4,091

Partnership [Member] | Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions



	2012		2011		2010
Risk free interest rate (1)	1.1	%	2.4	%	2.6	%
Common stock dividend yield (2)	5.3	%	5.0	%	5.9	%
Expected volatility (3)	33.4	%	32.5	%	32.2	%
Average expected option life (years) (4)	5.75		5.75		5.75

__________


(1)	Represents the interest rate as of the grant date on US treasury bonds having the same life as the estimated life of the option grants.


(2)	The dividend yield is calculated utilizing the dividends paid for the previous one-year period and the per share price of Common Stock on the date of grant.


(3)	Based on the historical volatility of Common Stock over a period relevant to the related stock option grant.


(4)	The average expected option life is based on an analysis of the Company's historical data.

Partnership [Member] | Time-Based Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following table sets forth time-based restricted stock activity:



	Number of Shares		Weighted Average Grant Date Fair Value
Restricted shares outstanding at December 31, 2009	316,074		$	28.60
Awarded and issued (1)	88,930		29.05
Vested (2)	(138,745	)	31.81
Forfeited	(1,933	)	25.86
Restricted shares outstanding at December 31, 2010	264,326		27.08
Awarded and issued (1)	76,966		33.70
Vested (2)	(116,631	)	30.64
Restricted shares outstanding at December 31, 2011	224,661		28.02
Awarded and issued (1)	90,983		32.27
Vested (2)	(92,239	)	27.14
Forfeited	(903	)	30.12
Restricted shares outstanding at December 31, 2012	222,502		$	30.31

__________


(1)	The fair value at grant date of time-based restricted stock issued during the years ended December 31, 2012, 2011 and 2010 was $2.9 million, $2.6 million and $2.6 million, respectively.


(2)	The vesting date fair value of time-based restricted stock that vested during the years ended December 31, 2012, 2011 and 2010 was $2.9 million, $3.9 million and $4.3 million, respectively. Vested shares include those shares repurchased for withholding taxes.

Partnership [Member] | Total Return-Based Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following table sets forth total return-based restricted stock activity:



	Number of Shares		Weighted Average Grant Date Fair Value
Restricted shares outstanding at December 31, 2009	202,775		$	22.05
Awarded and issued (1)	77,624		29.05
Vested (2)	(47,257	)	38.50
Forfeited	(1,307	)	22.99
Restricted shares outstanding at December 31, 2010	231,835		21.03
Awarded and issued (1)	57,386		41.02
Vested (2)	(66,417	)	13.79
Forfeited	(99,975	)	13.79
Restricted shares outstanding at December 31, 2011	122,829		34.86
Awarded and issued (1)	67,902		38.71
Vested (2)	(32,722	)	29.47
Forfeited	(32,721	)	29.47
Restricted shares outstanding at December 31, 2012	125,288		$	32.87

__________


(1)	The fair value at grant date of total return-based restricted stock issued during the years ended December 31, 2012, 2011 and 2010 was $2.6 million, $2.4 million and $2.3 million, respectively. There were no performance-based restricted stock issued subsequent to 2008.


(2)	The vesting date fair value of total return-based and other types of performance-based restricted stock that vested during the years ended December 31, 2012, 2011 and 2010 was $1.1 million, $2.0 million and $1.6 million, respectively. Vested shares include those shares repurchased for withholding taxes.

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

During 2012, 2011 and 2010, we issued shares of total return-based restricted stock to officers that will vest from zero to 250% based on (1) our absolute total returns for certain pre-determined three-year periods relative to defined target returns and (2) whether the Company's total return exceeds the average total returns of a selected group of peer companies. The grant date fair value of such shares of total return-based restricted stock was determined to be $38.71, $41.02 and $29.05, respectively, of the market value of a share of Common Stock as of the grant date and is amortized over the respective three-year period. The fair values of the total return-based restricted stock granted were determined at the grant dates using the following assumptions:



	2012		2011		2010
Risk free interest rate (1)	0.4	%	1.0	%	1.3	%
Common stock dividend yield (2)	5.4	%	5.4	%	5.6	%
Expected volatility (3)	43.7	%	42.8	%	42.5	%

__________


(1)	Represents the interest rate as of the grant date on US treasury bonds having the same life as the estimated life of the total return-based restricted stock grants.


(2)	The dividend yield is calculated utilizing the dividends paid for the previous one-year period and the per share price of Common Stock on the date of grant.


(3)	Based on the historical volatility of Common Stock over a period relevant to the related total return-based restricted stock grant.

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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- Definition

Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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