SUBSEQUENT EVENTS - Summary of Company's Initial Public Offerings (Details) - USD ($) shares in Thousands, $ in Thousands | Aug. 06, 2018 | Jun. 30, 2018 |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 78,128 |
Number of shares issued | | 7,471 |
Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 77,110 |
Number of shares issued | | 7,396 |
DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 518 |
Number of shares issued | | 52 |
Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 500 |
Number of shares issued | | 14 |
Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | | 9 |
Class T Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 75,272 |
Number of shares issued | | 7,192 |
Class T Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 74,762 |
Number of shares issued | | 7,140 |
Class T Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 448 |
Number of shares issued | | 45 |
Class T Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 62 |
Number of shares issued | | 7 |
Class T Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | | 0 |
Class W Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 0 |
Number of shares issued | | 6 |
Class W Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 0 |
Number of shares issued | | 0 |
Class W Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 0 |
Number of shares issued | | 0 |
Class W Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 0 |
Number of shares issued | | 0 |
Class W Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | | 6 |
Class I Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 2,480 |
Number of shares issued | | 273 |
Class I Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 2,348 |
Number of shares issued | | 256 |
Class I Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 70 |
Number of shares issued | | 7 |
Class I Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 62 |
Number of shares issued | | 7 |
Class I Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | | 3 |
Notes to Stockholders | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 376 |
Notes to Stockholders | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | 0 |
Notes to Stockholders | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | 0 |
Notes to Stockholders | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 376 |
Subsequent Event | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 108,760 | |
Number of shares issued | 10,397 | |
Subsequent Event | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 107,398 | |
Number of shares issued | 10,288 | |
Subsequent Event | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 862 | |
Number of shares issued | 86 | |
Subsequent Event | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 500 | |
Number of shares issued | 14 | |
Subsequent Event | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | 9 | |
Subsequent Event | Class T Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 105,615 | |
Number of shares issued | 10,089 | |
Subsequent Event | Class T Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 104,772 | |
Number of shares issued | 10,004 | |
Subsequent Event | Class T Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 781 | |
Number of shares issued | 78 | |
Subsequent Event | Class T Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 62 | |
Number of shares issued | 7 | |
Subsequent Event | Class T Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | 0 | |
Subsequent Event | Class W Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 93 | |
Number of shares issued | 15 | |
Subsequent Event | Class W Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 93 | |
Number of shares issued | 9 | |
Subsequent Event | Class W Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 0 | |
Number of shares issued | 0 | |
Subsequent Event | Class W Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 0 | |
Number of shares issued | 0 | |
Subsequent Event | Class W Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | 6 | |
Subsequent Event | Class I Shares | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 2,676 | |
Number of shares issued | 293 | |
Subsequent Event | Class I Shares | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 2,533 | |
Number of shares issued | 275 | |
Subsequent Event | Class I Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 81 | |
Number of shares issued | 8 | |
Subsequent Event | Class I Shares | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 62 | |
Number of shares issued | 7 | |
Subsequent Event | Class I Shares | Stock dividends | | |
Subsidiary, Sale of Stock [Line Items] | | |
Number of shares issued | 3 | |
Subsequent Event | Notes to Stockholders | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 376 | |
Subsequent Event | Notes to Stockholders | Primary Offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | 0 | |
Subsequent Event | Notes to Stockholders | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | 0 | |
Subsequent Event | Notes to Stockholders | Private offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 376 | |