Debt Debt (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Debt [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt consists of the following (in thousands):

	As of December 31,
	2016			2015
Revolving credit facility - unsecured	158,000			34,000
Bank term loans - unsecured	250,000			250,000
Private placement term loans - unsecured	400,000			325,000
Convertible senior notes - unsecured (net of discount of $4,717 and $5,862)	195,283			194,138
HUD mortgage loans (net of discount of $1,487 and $1,573)	44,354			45,035
Fannie Mae term loans - secured	78,084			78,084
Unamortized loan costs	(9,740		)	(11,814		)
	$	1,115,981		$	914,443

Schedule of Maturities of Long-term Debt [Table Text Block]

Aggregate principal maturities of debt as of December 31, 2016 for each of the next five years and thereafter are as follows (in thousands):

Twelve months ended December 31
2017	$	794
2018	821
2019	849
2020	408,878
2021	200,908
Thereafter	519,675
	1,131,925
Less: discount	(6,204		)
Less: unamortized loan costs	(9,740		)
	$	1,115,981

Schedule of Unsecured Private Placement Term Loans [Table Text Block]

Our unsecured private placement term loans are summarized below:

Amount		Maturity	Rate
$	125,000,000	January 2023	3.99%
50,000,000		November 2023	3.99%
75,000,000		September 2024	3.93%
50,000,000		November 2025	4.33%
100,000,000		January 2027	4.51%
$	400,000,000

Schedule of Interest Expense [Table Text Block]

	Year Ended December 31,
	2016			2015			2014
Interest paid at contractual rates	$	40,143		$	34,573		$	23,878
Capitalized interest	(549		)	(357		)	(576		)
Amortization of debt premiums, discounts and issuance costs	3,514			3,413			2,580
Unamortized debt premium written off as a result of debt payoff	—			—			(1,655		)
Debt issuance costs expensed due to credit facility modifications	—			—			2,145
Total interest expense	$	43,108		$	37,629		$	26,372

Schedule of Interest Rate Derivatives [Table Text Block]

December 31, 2016 (dollars in thousands):

Date Entered	Maturity Date	Fixed Rate	Rate Index	Notional Amount		Fair Value
May 2012	April 2019	3.29%	1-month LIBOR	$	40,000	$	(187	)
June 2013	June 2020	3.86%	1-month LIBOR	$	80,000	$	(1,479	)
March 2014	June 2020	3.91%	1-month LIBOR	$	130,000	$	(2,612	)