Related Parties (Details) - USD ($) $ / shares in Units, $ in Thousands |
Mar. 30, 2020 |
May 04, 2020 |
May 03, 2020 |
|---|---|---|---|
| Credit Facility | Revolving Credit Facility | Affiliates | Unsecured Management Company Revolver | |||
| Related Party Transaction [Line Items] | |||
| Maximum borrowing capacity | $ 30,000 | $ 50,000 | $ 30,000 |
| Investments in Majority-owned Subsidiaries | |||
| Related Party Transaction [Line Items] | |||
| Shares redeemed for a promissory note (in shares) | 105,030 | ||
| Investments in Majority-owned Subsidiaries | Debt Investments | |||
| Related Party Transaction [Line Items] | |||
| Redemption of shares paid-in-kind | $ 11,315 | ||
| Interest rate | 7.00% | ||
| Common Stock | New Mountain Net Lease Corporation | |||
| Related Party Transaction [Line Items] | |||
| Sale of stock, number of shares issued (in shares) | 105,030 | ||
| Sale of stock, price per share (in dollars per share) | $ 107.73 | ||
| Sale of stock, consideration received | $ 11,315 |