Organization and Nature of Business - Additional Information (Details)
$ / shares in Units, $ in Millions |
Jan. 17, 2020
USD ($)
|
Jul. 01, 2019
USD ($)
|
Mar. 13, 2018
USD ($)
shares
|
Feb. 12, 2018
USD ($)
$ / shares
shares
|
Dec. 31, 2019
$ / shares
|
Dec. 31, 2018
$ / shares
|
May 03, 2018
USD ($)
|
Dec. 31, 2017
$ / shares
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Share price | $ / shares |
|
|
|
|
$ 17.64
|
$ 14.27
|
|
$ 13.51
|
| Subsequent Event | London Interbank Offered Rate (LIBOR) |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Base spread (as a percent) |
0.75%
|
|
|
|
|
|
|
|
| Term Loans |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Debt Term |
|
7 years
|
|
7 years
|
|
|
|
|
| Principal amount |
|
$ 1,100.0
|
|
$ 360.0
|
|
|
|
|
| Term Loans | London Interbank Offered Rate (LIBOR) |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Base spread (as a percent) |
|
3.25%
|
|
|
|
|
|
|
| Revolving Credit Facility |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Debt Term |
|
5 years
|
|
5 years
|
|
|
|
|
| Amount of revolving credit facility |
|
$ 100.0
|
|
$ 50.0
|
|
|
$ 100.0
|
|
| Repriced Term Loans | Subsequent Event |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Principal amount |
$ 952.0
|
|
|
|
|
|
|
|
| Basis spread on variable rate, increase (decrease) |
0.75%
|
|
|
|
|
|
|
|
| Debt instrument interest rate description |
Repriced Term Loans provide for a reduced applicable margin on LIBOR of 75 basis points.
|
|
|
|
|
|
|
|
| Debt maturity date |
2026-06
|
|
|
|
|
|
|
|
| Repriced Term Loans | Subsequent Event | London Interbank Offered Rate (LIBOR) |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Base spread (as a percent) |
2.50%
|
|
|
|
|
|
|
|
| IPO |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Proceeds received from issuance of shares |
|
|
$ 156.5
|
|
|
|
|
|
| Conversion ratio of common stock to Class B common stock |
|
|
|
1
|
|
|
|
|
| IPO | Class A |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Number of shares issued | shares |
|
|
|
11,700,000
|
|
|
|
|
| Share price | $ / shares |
|
|
|
$ 13.00
|
|
|
|
|
| Proceeds received from issuance of shares |
|
|
|
$ 143.0
|
|
|
|
|
| Underwriter's Option | Class A |
|
|
|
|
|
|
|
|
| Subsidiary Sale Of Stock [Line Items] |
|
|
|
|
|
|
|
|
| Number of shares issued | shares |
|
|
1,110,860
|
|
|
|
|
|
| Proceeds received from issuance of shares |
|
|
$ 13.5
|
|
|
|
|
|