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Equity - Narrative (Details) $ in Thousands |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 15, 2017 USD ($) | Jan. 31, 2017 shares | Jan. 08, 2017 shares | Aug. 01, 2016 shares | Jun. 08, 2016 | Apr. 01, 2016 | Jan. 31, 2017 shares | Mar. 31, 2017 USD ($) shares | Mar. 31, 2016 USD ($) | Dec. 31, 2016 shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of Series A Preferred Stock, net of issuance costs | $ | $ 39,000 |  |  |  |  |  |  | $ 38,607 | $ 0 |
Preferred stock shares outstanding (shares) |  |  |  |  |  |  |  | 1,610,000 |  | 0
Preferred stock shares issued (shares) |  |  |  |  |  |  |  | 1,610,000 |  | 0
Conversion of stock exchange ratio |  |  |  |  |  |  |  | 1 |  |
Common Class A |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares outstanding (shares) |  |  |  |  |  |  |  | 6,499,504 |  | 6,496,559
Common stock voting rights |  |  |  |  |  |  |  | 1 |  |
Conversion of stock exchange ratio |  |  |  |  | 1,000 | 1,000 |  |  |  |
Common Class B |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares outstanding (shares) |  |  |  |  |  |  |  | 10,742,563 |  | 10,224,742
Common stock voting rights |  |  |  |  |  |  |  | 1 |  |
Provider Companies | Common Class B |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares issued for acquisition (shares) |  |  |  | 699,742 |  |  |  |  |  |
CenStar Note | Common Class B |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares from conversion (shares) |  |  | 134,731 |  |  |  |  |  |  |
Censtar Convertible Debt | Common Class B |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares from conversion (shares) |  | 383,090 | 134,731 |  |  |  | 383,090 |  |  |

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