Schedule III - Real Estate Properties and Accumulated Depreciation (Detail) - USD ($) $ in Thousands |
12 Months Ended |
|
|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 651,406
|
|
|
Initial Costs to Company, Land |
223,789
|
|
|
Initial Costs to Company, Buildings and Improvements |
730,471
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
51,387
|
|
|
Gross Amount, Land |
223,789
|
|
|
Gross Amount, Building and Improvements |
781,858
|
|
|
Gross Amount, Total |
1,005,647
|
$ 776,301
|
$ 589,376
|
Accumulated Amortization |
70,484
|
$ 48,234
|
$ 39,052
|
AmberGlen Property [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
20,000
|
|
|
Initial Costs to Company, Land |
6,546
|
|
|
Initial Costs to Company, Buildings and Improvements |
3,490
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
2,050
|
|
|
Gross Amount, Land |
6,546
|
|
|
Gross Amount, Building and Improvements |
5,540
|
|
|
Gross Amount, Total |
12,086
|
|
|
Accumulated Amortization |
$ 2,630
|
|
|
Date Acquired |
2009-12
|
|
|
Depreciation Life for the Latest Income Statement |
50 years
|
|
|
AmberGlen Property [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1984
|
|
|
AmberGlen Property [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1998
|
|
|
City Center Property [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 23,417
|
|
|
Initial Costs to Company, Land |
3,123
|
|
|
Initial Costs to Company, Buildings and Improvements |
10,656
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
8,809
|
|
|
Gross Amount, Land |
3,123
|
|
|
Gross Amount, Building and Improvements |
19,465
|
|
|
Gross Amount, Total |
22,588
|
|
|
Accumulated Amortization |
$ 6,624
|
|
|
Date of Construction |
1984
|
|
|
Date Acquired |
2010-12
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
Central Fairwinds [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 17,882
|
|
|
Initial Costs to Company, Land |
1,747
|
|
|
Initial Costs to Company, Buildings and Improvements |
9,751
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
6,716
|
|
|
Gross Amount, Land |
1,747
|
|
|
Gross Amount, Building and Improvements |
16,467
|
|
|
Gross Amount, Total |
18,214
|
|
|
Accumulated Amortization |
$ 3,692
|
|
|
Date of Construction |
1982
|
|
|
Date Acquired |
2012-05
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
Cherry Creek [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 47,791
|
|
|
Initial Costs to Company, Land |
25,745
|
|
|
Initial Costs to Company, Buildings and Improvements |
20,144
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,359
|
|
|
Gross Amount, Land |
25,745
|
|
|
Gross Amount, Building and Improvements |
21,503
|
|
|
Gross Amount, Total |
47,248
|
|
|
Accumulated Amortization |
$ 5,834
|
|
|
Date Acquired |
2014-01
|
|
|
Depreciation Life for the Latest Income Statement |
36 years
|
|
|
Cherry Creek [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1962
|
|
|
Cherry Creek [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1980
|
|
|
Lake Vista Pointe [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 18,044
|
|
|
Initial Costs to Company, Land |
4,115
|
|
|
Initial Costs to Company, Buildings and Improvements |
20,600
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
55
|
|
|
Gross Amount, Land |
4,115
|
|
|
Gross Amount, Building and Improvements |
20,655
|
|
|
Gross Amount, Total |
24,770
|
|
|
Accumulated Amortization |
$ 4,220
|
|
|
Date of Construction |
2007
|
|
|
Date Acquired |
2014-07
|
|
|
Depreciation Life for the Latest Income Statement |
45 years
|
|
|
FRP Ingenuity Drive [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 17,000
|
|
|
Initial Costs to Company, Land |
4,415
|
|
|
Initial Costs to Company, Buildings and Improvements |
17,775
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
683
|
|
|
Gross Amount, Land |
4,415
|
|
|
Gross Amount, Building and Improvements |
18,458
|
|
|
Gross Amount, Total |
22,873
|
|
|
Accumulated Amortization |
$ 2,818
|
|
|
Date of Construction |
1999
|
|
|
Date Acquired |
2014-11
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
Logan Tower [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 1,306
|
|
|
Initial Costs to Company, Buildings and Improvements |
8,197
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
697
|
|
|
Gross Amount, Land |
1,306
|
|
|
Gross Amount, Building and Improvements |
8,894
|
|
|
Gross Amount, Total |
10,200
|
|
|
Accumulated Amortization |
$ 1,354
|
|
|
Date of Construction |
1983
|
|
|
Date Acquired |
2015-02
|
|
|
Depreciation Life for the Latest Income Statement |
33 years
|
|
|
Superior Pointe [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 3,153
|
|
|
Initial Costs to Company, Buildings and Improvements |
19,834
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,671
|
|
|
Gross Amount, Land |
3,153
|
|
|
Gross Amount, Building and Improvements |
21,505
|
|
|
Gross Amount, Total |
24,658
|
|
|
Accumulated Amortization |
$ 2,519
|
|
|
Date of Construction |
2000
|
|
|
Date Acquired |
2015-06
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
DTC Crossroads [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 15,765
|
|
|
Initial Costs to Company, Land |
7,137
|
|
|
Initial Costs to Company, Buildings and Improvements |
23,184
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,006
|
|
|
Gross Amount, Land |
7,137
|
|
|
Gross Amount, Building and Improvements |
24,190
|
|
|
Gross Amount, Total |
31,327
|
|
|
Accumulated Amortization |
$ 2,968
|
|
|
Date of Construction |
1999
|
|
|
Date Acquired |
2015-06
|
|
|
Depreciation Life for the Latest Income Statement |
33 years
|
|
|
190 Office Center [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 41,250
|
|
|
Initial Costs to Company, Land |
7,162
|
|
|
Initial Costs to Company, Buildings and Improvements |
39,690
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,005
|
|
|
Gross Amount, Land |
7,162
|
|
|
Gross Amount, Building and Improvements |
40,695
|
|
|
Gross Amount, Total |
47,857
|
|
|
Accumulated Amortization |
$ 3,825
|
|
|
Date of Construction |
2001
|
|
|
Date Acquired |
2015-09
|
|
|
Depreciation Life for the Latest Income Statement |
45 years
|
|
|
Intellicenter [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 33,481
|
|
|
Initial Costs to Company, Land |
5,244
|
|
|
Initial Costs to Company, Buildings and Improvements |
34,278
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
26
|
|
|
Gross Amount, Land |
5,244
|
|
|
Gross Amount, Building and Improvements |
34,304
|
|
|
Gross Amount, Total |
39,548
|
|
|
Accumulated Amortization |
$ 3,673
|
|
|
Date of Construction |
2008
|
|
|
Date Acquired |
2015-09
|
|
|
Depreciation Life for the Latest Income Statement |
50 years
|
|
|
Carillon Point [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 16,330
|
|
|
Initial Costs to Company, Land |
5,172
|
|
|
Initial Costs to Company, Buildings and Improvements |
17,316
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
68
|
|
|
Gross Amount, Land |
5,172
|
|
|
Gross Amount, Building and Improvements |
17,384
|
|
|
Gross Amount, Total |
22,556
|
|
|
Accumulated Amortization |
$ 2,252
|
|
|
Date of Construction |
2007
|
|
|
Date Acquired |
2016-06
|
|
|
Depreciation Life for the Latest Income Statement |
39 years
|
|
|
FRP Collection [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 29,589
|
|
|
Initial Costs to Company, Land |
7,031
|
|
|
Initial Costs to Company, Buildings and Improvements |
38,700
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
993
|
|
|
Gross Amount, Land |
7,031
|
|
|
Gross Amount, Building and Improvements |
39,693
|
|
|
Gross Amount, Total |
46,724
|
|
|
Accumulated Amortization |
$ 4,180
|
|
|
Date Acquired |
2016-07
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
FRP Collection [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1986
|
|
|
FRP Collection [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1999
|
|
|
Park Tower [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 3,479
|
|
|
Initial Costs to Company, Buildings and Improvements |
68,656
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
13,987
|
|
|
Gross Amount, Land |
3,479
|
|
|
Gross Amount, Building and Improvements |
82,643
|
|
|
Gross Amount, Total |
86,122
|
|
|
Accumulated Amortization |
$ 6,146
|
|
|
Date of Construction |
1973
|
|
|
Date Acquired |
2016-11
|
|
|
Depreciation Life for the Latest Income Statement |
30 years
|
|
|
5090 N 40th St [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 22,000
|
|
|
Initial Costs to Company, Land |
6,696
|
|
|
Initial Costs to Company, Buildings and Improvements |
32,123
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,144
|
|
|
Gross Amount, Land |
6,696
|
|
|
Gross Amount, Building and Improvements |
33,267
|
|
|
Gross Amount, Total |
39,963
|
|
|
Accumulated Amortization |
$ 1,973
|
|
|
Date of Construction |
1988
|
|
|
Date Acquired |
2016-11
|
|
|
Depreciation Life for the Latest Income Statement |
45 years
|
|
|
SanTan [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 34,682
|
|
|
Initial Costs to Company, Land |
6,803
|
|
|
Initial Costs to Company, Buildings and Improvements |
37,187
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
4,448
|
|
|
Gross Amount, Land |
6,803
|
|
|
Gross Amount, Building and Improvements |
41,635
|
|
|
Gross Amount, Total |
48,438
|
|
|
Accumulated Amortization |
$ 3,270
|
|
|
Date Acquired |
2016-12
|
|
|
Depreciation Life for the Latest Income Statement |
41 years
|
|
|
SanTan [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2000
|
|
|
SanTan [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2003
|
|
|
2525 McKinnon [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 27,000
|
|
|
Initial Costs to Company, Land |
10,629
|
|
|
Initial Costs to Company, Buildings and Improvements |
34,515
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,134
|
|
|
Gross Amount, Land |
10,629
|
|
|
Gross Amount, Building and Improvements |
35,649
|
|
|
Gross Amount, Total |
46,278
|
|
|
Accumulated Amortization |
$ 1,928
|
|
|
Date of Construction |
2003
|
|
|
Date Acquired |
2017-01
|
|
|
Depreciation Life for the Latest Income Statement |
50 years
|
|
|
Mission City [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 47,000
|
|
|
Initial Costs to Company, Land |
25,741
|
|
|
Initial Costs to Company, Buildings and Improvements |
41,474
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
2,949
|
|
|
Gross Amount, Land |
25,741
|
|
|
Gross Amount, Building and Improvements |
44,423
|
|
|
Gross Amount, Total |
70,164
|
|
|
Accumulated Amortization |
$ 3,322
|
|
|
Date Acquired |
2017-09
|
|
|
Depreciation Life for the Latest Income Statement |
29 years
|
|
|
Mission City [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1990
|
|
|
Mission City [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2007
|
|
|
Sorrento Mesa [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 40,356
|
|
|
Initial Costs to Company, Buildings and Improvements |
44,991
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
1,374
|
|
|
Gross Amount, Land |
40,356
|
|
|
Gross Amount, Building and Improvements |
46,365
|
|
|
Gross Amount, Total |
86,721
|
|
|
Accumulated Amortization |
$ 2,764
|
|
|
Date Acquired |
2017-09
|
|
|
Depreciation Life for the Latest Income Statement |
33 years
|
|
|
Sorrento Mesa [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1985
|
|
|
Sorrento Mesa [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2001
|
|
|
Papago Tech [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 10,746
|
|
|
Initial Costs to Company, Buildings and Improvements |
19,762
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
295
|
|
|
Gross Amount, Land |
10,746
|
|
|
Gross Amount, Building and Improvements |
20,057
|
|
|
Gross Amount, Total |
30,803
|
|
|
Accumulated Amortization |
$ 1,237
|
|
|
Date Acquired |
2017-10
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
Papago Tech [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1993
|
|
|
Papago Tech [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
1995
|
|
|
Pima Center [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Buildings and Improvements |
$ 45,133
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
222
|
|
|
Gross Amount, Building and Improvements |
45,355
|
|
|
Gross Amount, Total |
45,355
|
|
|
Accumulated Amortization |
$ 1,529
|
|
|
Date Acquired |
2018-04
|
|
|
Depreciation Life for the Latest Income Statement |
44 years
|
|
|
Pima Center [Member] | Minimum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2006
|
|
|
Pima Center [Member] | Maximum [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Date of Construction |
2008
|
|
|
Circle Point [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 39,650
|
|
|
Initial Costs to Company, Land |
13,681
|
|
|
Initial Costs to Company, Buildings and Improvements |
39,101
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
714
|
|
|
Gross Amount, Land |
13,681
|
|
|
Gross Amount, Building and Improvements |
39,815
|
|
|
Gross Amount, Total |
53,496
|
|
|
Accumulated Amortization |
$ 1,009
|
|
|
Date of Construction |
2001
|
|
|
Date Acquired |
2018-07
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
The Quad [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 30,600
|
|
|
Initial Costs to Company, Land |
8,079
|
|
|
Initial Costs to Company, Buildings and Improvements |
39,858
|
|
|
Costs Capitalized Subsequent to Acquisitions, Improvements |
(18)
|
|
|
Gross Amount, Land |
8,079
|
|
|
Gross Amount, Building and Improvements |
39,840
|
|
|
Gross Amount, Total |
47,919
|
|
|
Accumulated Amortization |
$ 616
|
|
|
Date of Construction |
1982
|
|
|
Date Acquired |
2018-07
|
|
|
Depreciation Life for the Latest Income Statement |
40 years
|
|
|
Greenwood Blvd [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 22,425
|
|
|
Initial Costs to Company, Land |
3,945
|
|
|
Initial Costs to Company, Buildings and Improvements |
26,019
|
|
|
Gross Amount, Land |
3,945
|
|
|
Gross Amount, Building and Improvements |
26,019
|
|
|
Gross Amount, Total |
29,964
|
|
|
Accumulated Amortization |
$ 12
|
|
|
Date of Construction |
1997
|
|
|
Date Acquired |
2018-12
|
|
|
Depreciation Life for the Latest Income Statement |
45 years
|
|
|
Camelback Square [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Initial Costs to Company, Land |
$ 11,738
|
|
|
Initial Costs to Company, Buildings and Improvements |
37,922
|
|
|
Gross Amount, Land |
11,738
|
|
|
Gross Amount, Building and Improvements |
37,922
|
|
|
Gross Amount, Total |
49,660
|
|
|
Accumulated Amortization |
$ 17
|
|
|
Date of Construction |
1978
|
|
|
Date Acquired |
2018-12
|
|
|
Depreciation Life for the Latest Income Statement |
48 years
|
|
|
Corporate [Member] |
|
|
|
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |
|
|
|
Encumbrances |
$ 147,500
|
|
|
Initial Costs to Company, Buildings and Improvements |
115
|
|
|
Gross Amount, Building and Improvements |
115
|
|
|
Gross Amount, Total |
115
|
|
|
Accumulated Amortization |
$ 72
|
|
|