Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt Instruments [Abstract]

Schedule of Debt

Debt consists of the following (in thousands):

	June 30, 2015		December 31, 2014
Revolving credit facility - unsecured	$	101,000	$	374,000
Convertible senior notes - unsecured (net of discount of $6,418)	193,582		193,037
Bank term loans - unsecured	250,000		250,000
HUD mortgage loans (net of discount of $1,618)	45,366		45,689
Private placement term loans - unsecured	225,000		—
Fannie Mae term loans - secured, non-recourse	78,084		—
	$	893,032	$	862,726

Schedule of Maturities of Long-term Debt

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

Twelve months ended June 30
2016	$	755
2017	781
2018	808
2019	101,835
2020	250,864
Thereafter	546,025
	901,068
Less: discount	(8,036		)
	$	893,032

Schedule of Interest Expense

The following table summarizes interest expense (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Interest expense at contractual rates	$	8,511		$	6,178		$	16,223		$	10,700
Capitalized interest	(84		)	(88		)	(204		)	(211		)
Amortization of debt issuance costs and debt discount	860			739			1,680			1,081
Debt issuance costs expensed due to credit facility modifications	—			—			—			2,145
Total interest expense	$	9,287		$	6,829		$	17,699		$	13,715

Schedule of Interest Rate Derivatives

June 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	$	(339	)
June 2013	June 2020	3.86%	1-month LIBOR	$	80,000	$	(2,045	)
March 2014	June 2020	3.91%	1-month LIBOR	$	130,000	$	(3,637	)