Investment in Mortgage Notes (Tables)

12 Months Ended

Dec. 31, 2016

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

The following table summarizes the carrying amounts of accounts receivable, net as of December 31, 2016 and 2015 (in thousands):

	2016			2015
Receivable from tenants	$	7,564		$	9,999
Receivable from non-tenants	497			353
Receivable from insurance proceeds	1,967			—
Receivable from Sullivan County Infrastructure Revenue Bonds	22,164			—
Straight-line rent receivable	67,618			52,336
Allowance for doubtful accounts	(871		)	(3,587		)
Total	$	98,939		$	59,101

Mortgage Receivable [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule of Future Principal Payments and Accrued Interest Due on Notes Receivable [Table Text Block]

Principal payments and related accrued interest due on mortgage notes receivable subsequent to December 31, 2016 are as follows (in thousands):

	Amount
Year:
2017	$	5,084
2018	2,546
2019	163,874
2020	1,143
2021	71,569
Thereafter	369,762
Total	$	613,978

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Investment in mortgage notes, including related accrued interest receivable, at December 31, 2016 and 2015 consists of the following (in thousands):

		2016		2015
(1)	Mortgage note and related accrued interest receivable, 9.50%, paid in full January 5, 2016	—		19,944
(2)	Mortgage note and related accrued interest receivable, 9.75%, paid in full April 22, 2016	—		22,188
(3)	Mortgage note, 5.50%, paid in full October 11, 2016	—		2,500
(4)	Mortgage note and related accrued interest receivable, 9.00%, due March 11, 2017	1,454		1,454
(5)	Mortgage note and related accrued interest receivable, 9.00%, due July 31, 2017	1,375		1,257
(6)	Mortgage note and related accrued interest receivable, 7.00%, due October 19, 2018	1,637		—
(7)	Mortgage notes, 7.00% and 10.00%, due May 1, 2019	164,743		164,543
(8)	Mortgage note, 7.00%, due December 20, 2021	70,304		—
(9)	Mortgage note and related accrued interest receivable, 7.85%, due December 28, 2026	5,635		—
(10)	Mortgage note and related accrued interest receivable, 10.65%, due June 28, 2032	36,032		36,032
(11)	Mortgage note and related accrued interest receivable, 9.00%, due December 31, 2032	5,327		5,469
(12)	Mortgage notes and related accrued interest receivable, 9.50%, due April 30, 2033	30,849		30,680
(13)	Mortgage note and related accrued interest receivable, 10.25%, due June 30, 2033	3,508		3,488
(14)	Mortgage note, 11.31%, due July 1, 2033	12,530		12,781
(15)	Mortgage note and related accrued interest receivable, 8.71%, due June 30, 2034	7,230		4,900
(16)	Mortgage note and related accrued interest receivable, 9.50%, due August 31, 2034	12,473		12,392
(17)	Mortgage note and related accrued interest receivable, 11.10%, due December 1, 2034	51,250		51,450
(18)	Mortgage notes, 10.28%, due December 1, 2034	37,562		37,562
(19)	Mortgage note, 10.72%, due December 1, 2034	4,550		4,550
(20)	Mortgage note, 8.00%, due January 5, 2036	21,000		—
(21)	Mortgage note, 10.25%, due May 31, 2036	17,505		9,147
(22)	Mortgage note and related accrued interest receivable, 9.75%, due July 28, 2036	18,219		3,443
(23)	Mortgage note and related accrued interest receivable, 9.75%, due July 31, 2036	6,083		—
(24)	Mortgage note, 9.75%, due December 31, 2036	4,712		—
(25)	Mortgage notes, 7.25%, due November 30, 2041	100,000		—
	Total mortgage notes and related accrued interest receivable	$	613,978	$	423,780