SUBSEQUENT EVENTS - Summary of Company's Initial Public Offerings (Details) - USD ($) shares in Thousands, $ in Thousands | Aug. 06, 2019 | Jun. 30, 2019 |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 388,162 |
Number of shares issued | | 37,061 |
Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 381,982 |
Number of shares issued | | 36,472 |
DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 5,680 |
Number of shares issued | | 566 |
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 | | $ 365,413 |
Number of shares issued | | 34,803 |
Class T Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 359,929 |
Number of shares issued | | 34,256 |
Class T Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 5,422 |
Number of shares issued | | 540 |
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 | | $ 14,817 |
Number of shares issued | | 1,480 |
Class W Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 14,732 |
Number of shares issued | | 1,465 |
Class W Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 85 |
Number of shares issued | | 9 |
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 | | $ 7,556 |
Number of shares issued | | 778 |
Class I Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 7,321 |
Number of shares issued | | 751 |
Class I Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | | $ 173 |
Number of shares issued | | 17 |
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 | $ 436,808 | |
Number of shares issued | 41,717 | |
Subsequent Event | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 428,900 | |
Number of shares issued | 40,956 | |
Subsequent Event | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 7,408 | |
Number of shares issued | 738 | |
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 | $ 408,063 | |
Number of shares issued | 38,862 | |
Subsequent Event | Class T Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 400,961 | |
Number of shares issued | 38,154 | |
Subsequent Event | Class T Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 7,040 | |
Number of shares issued | 701 | |
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 | $ 19,013 | |
Number of shares issued | 1,898 | |
Subsequent Event | Class W Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 18,855 | |
Number of shares issued | 1,876 | |
Subsequent Event | Class W Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 158 | |
Number of shares issued | 16 | |
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 | $ 9,356 | |
Number of shares issued | 957 | |
Subsequent Event | Class I Shares | Primary offering | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 9,084 | |
Number of shares issued | 926 | |
Subsequent Event | Class I Shares | DRIP | | |
Subsidiary, Sale of Stock [Line Items] | | |
Amount of gross proceeds raised | $ 210 | |
Number of shares issued | 21 | |
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 | |