CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income/(Loss)	Accumulated Surplus	Noncontrolling Interest	Total
BALANCE at Dec. 31, 2017		$ 248	$ 194,497	$ 15,467	$ 86,956	$ 18,202	$ 315,370
BALANCE (in shares) at Dec. 31, 2017		24,847
Reclassification of other accumulated comprehensive income to accumulated surplus				(15,476)	15,476
Net income		$ 0	0	0	15,499	1,108	16,607
Transfer of membership interests			1,500			(1,500)	1,500
Other comprehensive income		0	0	(1,264)	0	(25)	(1,289)
Distributions declared	[1]	0	0	0	(12,809)	0	(12,809)
Distributions paid to noncontrolling interests		0	0	0	0	(2,562)	(2,562)
Contributions received from noncontrolling interests		0	0	0	0	6	6
Redemption , cancellation and tender of shares		$ (8)	(8,089)				(8,097)
Redemption , cancellation and tender of shares (in shares)		(835)
BALANCE at Sep. 30, 2018		$ 240	187,908	(1,273)	105,122	15,229	307,226
BALANCE (in shares) at Sep. 30, 2018		24,012
BALANCE at Jun. 30, 2018		$ 246	192,142	(1,400)	105,338	17,168	313,494
BALANCE (in shares) at Jun. 30, 2018		24,611
Net income					4,024	465	4,489
Transfer of membership interests			1,500			(1,500)
Other comprehensive income				127		3	130
Distributions declared	[2]				(4,240)		(4,240)
Distributions paid to noncontrolling interests						(909)	(909)
Contributions received from noncontrolling interests						2	2
Redemption , cancellation and tender of shares		$ (6)	(5,734)				(5,740)
Redemption , cancellation and tender of shares (in shares)		(599)
BALANCE at Sep. 30, 2018		$ 240	187,908	(1,273)	105,122	15,229	307,226
BALANCE (in shares) at Sep. 30, 2018		24,012
BALANCE at Dec. 31, 2018		$ 237	184,469	(2,251)	101,382	14,404	298,241
BALANCE (in shares) at Dec. 31, 2018		23,708
Net income					21,832	1,968	23,800
Other comprehensive income				2,379		51	2,430
Distributions declared	[1]				(12,112)		(12,112)
Distributions paid to noncontrolling interests						(2,496)	(2,496)
Contributions received from noncontrolling interests		$ 0	0	0	0	33,122	33,122
Redemption , cancellation and tender of shares		$ (9)	(9,915)				(9,924)
Redemption , cancellation and tender of shares (in shares)		(933)
Shares issued from distribution reinvestment program			200				200
Shares issued from distribution reinvestment program (in shares)		18
BALANCE at Sep. 30, 2019		$ 228	174,754	128	111,102	47,049	333,261
BALANCE (in shares) at Sep. 30, 2019		22,793
BALANCE at Jun. 30, 2019		$ 231	177,559	(169)	111,215	25,848	314,684
BALANCE (in shares) at Jun. 30, 2019		23,052
Net income					3,877	809	4,686
Other comprehensive income				297		7	304
Distributions declared	[2]				(3,990)		(3,990)
Distributions paid to noncontrolling interests						(785)	(785)
Contributions received from noncontrolling interests						21,170	21,170
Redemption , cancellation and tender of shares		$ (3)	(2,879)	0	0	0	(2,882)
Redemption , cancellation and tender of shares (in shares)		(266)
Shares issued from distribution reinvestment program			74				74
Shares issued from distribution reinvestment program (in shares)		7
BALANCE at Sep. 30, 2019		$ 228	$ 174,754	$ 128	$ 111,102	$ 47,049	$ 333,261
BALANCE (in shares) at Sep. 30, 2019		22,793

[1] Distributions per share were $0.525.

[2] Distributions per share were $0.175.