Debt (Tables)

9 Months Ended

Sep. 30, 2014

Debt Instruments [Abstract]

Schedule of Debt

Debt consists of the following (in thousands):

	September 30, 2014		December 31, 2013
Convertible senior notes - unsecured (net of discount of $7,232)	$	192,768	$	—
Revolving credit facility - unsecured	81,000		167,000
Bank term loans - unsecured	250,000		370,000
HUD mortgage loans - secured	37,973		—
Fannie Mae term loans - secured (including a premium of $1,680)	79,222		80,080
	$	640,963	$	617,080

Schedule of Interest Expense

The following table summarizes interest expense (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Interest expense at contractual rates	$	6,244	$	3,180	$	16,683	$	5,415
Amortization of debt issuance costs and bond discount	761		110		1,892		243
Debt issuance costs expensed due to credit facility modifications	—		—		2,145		353
Total interest expense	$	7,005	$	3,290	$	20,720	$	6,011

Schedule of Interest Rate Derivatives

September 30, 2014 (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	$	256
June 2013	June 2020	3.86%	1-month LIBOR	$	80,000	$	(765	)
March 2014	June 2020	3.91%	1-month LIBOR	$	130,000	$	(1,568	)