Mortgage Notes Payable and Line of Credit - Company's Mortgage Notes Payable and Line of Credit (Detail) (USD $) In Thousands, unless otherwise specified
|
9 Months Ended |
|
Sep. 30, 2013
|
Dec. 31, 2012
|
Proforma Debt Instrument [Line Items] |
|
|
Premiums and (Discounts), net: |
$ 767
|
$ 895
|
Total Fixed-Rate Mortgage Notes Payable: |
409,762
|
359,185
|
Variable-Rate Line of Credit: |
28,900
|
25,000
|
Total Mortgage Notes Payable and Line of Credit |
438,662
|
384,185
|
Mortgage Notes Payable [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Principal Balance Outstanding |
408,995
|
358,290
|
Variable-Rate Line of Credit [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Aug.
07,
2013
|
|
Principal Maturity Date |
Aug.
07,
2016
|
|
Variable-Rate Line of Credit, Stated Interest Rate |
LIBOR +3.00 %
|
|
Variable-Rate Line of Credit: |
28,900
|
25,000
|
Mortgage Notes Payable One [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Feb. 21,
2006
|
|
Principal Maturity Date |
Dec.
01,
2013
|
|
Stated Interest Rate on Note |
5.91%
|
|
Principal Balance Outstanding |
8,511
|
8,658
|
Mortgage Notes Payable Two [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Feb. 21,
2006
|
|
Principal Maturity Date |
Jun. 30,
2014
|
|
Stated Interest Rate on Note |
5.20%
|
|
Principal Balance Outstanding |
17,603
|
17,930
|
Mortgage Notes Payable Three [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Aug. 25,
2005
|
|
Principal Maturity Date |
Sep.
01,
2015
|
|
Stated Interest Rate on Note |
5.33%
|
|
Principal Balance Outstanding |
19,793
|
20,074
|
Mortgage Notes Payable Four [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Sep. 12,
2005
|
|
Principal Maturity Date |
Sep.
01,
2015
|
|
Stated Interest Rate on Note |
5.21%
|
|
Principal Balance Outstanding |
11,664
|
11,821
|
Mortgage Notes Payable Five [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Sep.
06,
2007
|
|
Principal Maturity Date |
Dec. 11,
2015
|
|
Stated Interest Rate on Note |
5.81%
|
|
Principal Balance Outstanding |
4,080
|
4,141
|
Mortgage Notes Payable Six [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Dec. 21,
2005
|
|
Principal Maturity Date |
Jan.
08,
2016
|
|
Stated Interest Rate on Note |
5.71%
|
|
Principal Balance Outstanding |
17,922
|
18,155
|
Mortgage Notes Payable Seven [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Mar. 29,
2006
|
|
Principal Maturity Date |
Apr.
01,
2016
|
|
Stated Interest Rate on Note |
5.92%
|
|
Principal Balance Outstanding |
16,507
|
16,669
|
Mortgage Notes Payable Eight [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Apr. 27,
2006
|
|
Principal Maturity Date |
May
05,
2016
|
|
Stated Interest Rate on Note |
6.58%
|
|
Principal Balance Outstanding |
12,817
|
13,080
|
Mortgage Notes Payable Nine [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Aug. 29,
2008
|
|
Principal Maturity Date |
Jun.
01,
2016
|
|
Stated Interest Rate on Note |
6.80%
|
|
Principal Balance Outstanding |
5,744
|
5,866
|
Mortgage Notes Payable Ten [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jun. 20,
2011
|
|
Principal Maturity Date |
Jun. 30,
2016
|
|
Stated Interest Rate on Note |
6.08%
|
|
Principal Balance Outstanding |
11,210
|
11,341
|
Mortgage Notes Payable Eleven [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Nov. 22,
2006
|
|
Principal Maturity Date |
Dec.
01,
2016
|
|
Stated Interest Rate on Note |
5.76%
|
|
Principal Balance Outstanding |
13,397
|
13,558
|
Mortgage Notes Payable Twelve [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Dec. 22,
2006
|
|
Principal Maturity Date |
Jan.
01,
2017
|
|
Stated Interest Rate on Note |
5.79%
|
|
Principal Balance Outstanding |
20,487
|
20,731
|
Mortgage Notes Payable Thirteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Feb.
08,
2007
|
|
Principal Maturity Date |
Mar.
01,
2017
|
|
Stated Interest Rate on Note |
6.00%
|
|
Principal Balance Outstanding |
13,775
|
13,775
|
Mortgage Notes Payable Fourteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jun.
05,
2007
|
|
Principal Maturity Date |
Jun.
08,
2017
|
|
Stated Interest Rate on Note |
6.11%
|
|
Principal Balance Outstanding |
14,042
|
14,163
|
Mortgage Notes Payable Fifteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Oct. 15,
2007
|
|
Principal Maturity Date |
Nov.
08,
2017
|
|
Stated Interest Rate on Note |
6.63%
|
|
Principal Balance Outstanding |
14,906
|
15,072
|
Mortgage Notes Payable Sixteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Sep. 26,
2012
|
|
Principal Maturity Date |
Jul.
01,
2018
|
|
Stated Interest Rate on Note |
5.75%
|
|
Principal Balance Outstanding |
10,550
|
10,707
|
Mortgage Notes Payable Seventeen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Nov. 18,
2011
|
|
Principal Maturity Date |
Nov.
01,
2018
|
|
Stated Interest Rate on Note |
4.50%
|
|
Principal Balance Outstanding |
4,180
|
4,256
|
Mortgage Notes Payable Eighteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Dec.
06,
2011
|
|
Principal Maturity Date |
Dec.
06,
2019
|
|
Stated Interest Rate on Note |
6.00%
|
|
Principal Balance Outstanding |
8,099
|
8,272
|
Mortgage Notes Payable Nineteen [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Oct. 28,
2011
|
|
Principal Maturity Date |
Nov.
01,
2021
|
|
Stated Interest Rate on Note |
6.00%
|
|
Principal Balance Outstanding |
6,971
|
7,068
|
Mortgage Notes Payable Twenty [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Apr.
05,
2012
|
|
Principal Maturity Date |
May
01,
2022
|
|
Stated Interest Rate on Note |
6.10%
|
|
Principal Balance Outstanding |
18,578
|
18,821
|
Mortgage Notes Payable Twenty One [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jun. 21,
2012
|
|
Principal Maturity Date |
Jul.
06,
2022
|
|
Stated Interest Rate on Note |
5.05%
|
|
Principal Balance Outstanding |
4,641
|
4,712
|
Mortgage Notes Payable Twenty Two [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Aug.
03,
2012
|
|
Principal Maturity Date |
Jul. 31,
2022
|
|
Stated Interest Rate on Note |
5.00%
|
|
Principal Balance Outstanding |
2,932
|
2,979
|
Mortgage Notes Payable Twenty Three [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jul. 24,
2012
|
|
Principal Maturity Date |
Aug.
01,
2022
|
|
Stated Interest Rate on Note |
5.60%
|
|
Principal Balance Outstanding |
9,455
|
9,661
|
Mortgage Notes Payable Twenty Four [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Oct.
01,
2012
|
|
Principal Maturity Date |
Oct.
01,
2022
|
|
Stated Interest Rate on Note |
4.86%
|
|
Principal Balance Outstanding |
33,369
|
33,888
|
Mortgage Notes Payable Twenty Five [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Nov. 21,
2012
|
|
Principal Maturity Date |
Dec.
06,
2022
|
|
Stated Interest Rate on Note |
4.04%
|
|
Principal Balance Outstanding |
18,673
|
19,000
|
Mortgage Notes Payable Twenty Six [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Mar. 28,
2013
|
|
Principal Maturity Date |
Apr.
06,
2023
|
|
Stated Interest Rate on Note |
4.16%
|
|
Principal Balance Outstanding |
3,666
|
|
Mortgage Notes Payable Twenty Seven [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jul.
03,
2013
|
|
Principal Maturity Date |
Aug.
01,
2023
|
|
Stated Interest Rate on Note |
5.00%
|
|
Principal Balance Outstanding |
8,191
|
|
Mortgage Notes Payable Twenty Eight [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jul. 10,
2013
|
|
Principal Maturity Date |
Aug.
01,
2023
|
|
Stated Interest Rate on Note |
4.20%
|
|
Principal Balance Outstanding |
8,889
|
|
Mortgage Notes Payable Twenty Nine [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jul.
09,
2013
|
|
Principal Maturity Date |
Aug.
06,
2023
|
|
Stated Interest Rate on Note |
4.81%
|
|
Principal Balance Outstanding |
35,261
|
|
Mortgage Notes Payable Thirty [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Dec. 15,
2010
|
|
Principal Maturity Date |
Dec. 10,
2026
|
|
Stated Interest Rate on Note |
6.63%
|
|
Principal Balance Outstanding |
9,650
|
9,983
|
Mortgage Notes Payable Thirty One [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
May 16,
2012
|
|
Principal Maturity Date |
Dec. 31,
2026
|
|
Stated Interest Rate on Note |
4.30%
|
|
Principal Balance Outstanding |
2,846
|
2,897
|
Mortgage Notes Payable Thirty Two [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Nov.
08,
2012
|
|
Principal Maturity Date |
Feb.
01,
2027
|
|
Stated Interest Rate on Note |
5.69%
|
|
Principal Balance Outstanding |
13,936
|
14,145
|
Mortgage Notes Payable Thirty Three [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
May 30,
2012
|
|
Principal Maturity Date |
May 10,
2027
|
|
Stated Interest Rate on Note |
6.50%
|
|
Principal Balance Outstanding |
4,725
|
4,883
|
Mortgage Notes Payable Thirty Four [Member]
|
|
|
Proforma Debt Instrument [Line Items] |
|
|
Date of Issuance/ Assumption |
Jun. 27,
2012
|
|
Principal Maturity Date |
Jul.
01,
2029
|
|
Stated Interest Rate on Note |
5.10%
|
|
Principal Balance Outstanding |
$ 1,925
|
$ 1,984
|