Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Instruments [Abstract]

Schedule of Debt

Debt consists of the following (in thousands):

	September 30, 2015		December 31, 2014
Revolving credit facility - unsecured	$	217,000	$	374,000
Convertible senior notes - unsecured (net of discount of $6,141 and $6,963)	193,859		193,037
Bank term loans - unsecured	250,000		250,000
HUD mortgage loans (net of discount of $1,596 and $1,662)	45,201		45,689
Private placement term loans - unsecured	225,000		—
Fannie Mae term loans - secured, non-recourse	78,084		—
	$	1,009,144	$	862,726

Schedule of Maturities of Long-term Debt

Aggregate principal maturities of debt as of September 30, 2015 for each of the next five years and thereafter are as follows (in thousands):

Twelve months ended September 30
2016	$	762
2017	787
2018	814
2019	842
2020	467,871
Thereafter	545,805
	1,016,881
Less: discount	(7,737		)
	$	1,009,144

Schedule of Interest Expense

The following table summarizes interest expense (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015			2014
Interest expense at contractual rates	$	9,000		$	6,426		$	25,223		$	17,126
Capitalized interest	(92		)	(156		)	(296		)	(367		)
Amortization of debt issuance costs, debt discount and premium	864			735			2,544			1,816
Debt issuance costs expensed due to credit facility modifications	—			—			—			2,145
Total interest expense	$	9,772		$	7,005		$	27,471		$	20,720

Schedule of Interest Rate Derivatives

September 30, 2015 (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	$	(787	)
June 2013	June 2020	3.86%	1-month LIBOR	$	80,000	$	(3,427	)
March 2014	June 2020	3.91%	1-month LIBOR	$	130,000	$	(5,888	)