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Summary of Significant Accounting Policies - Narrative (Details) | Jul. 02, 2019 USD ($) | Sep. 30, 2019 market
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Accounting Policies [Abstract] |  |
Number of markets entity operates | market |  | 11
Bankers Healthcare Group, LLC |  |
Schedule of Equity Method Investments [Line Items] |  |
Ownership interest (as percent) |  | 49.00%
Advocate Capital, Inc. [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition, cash price | $ 59,000,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets | 34,600,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt | $ 134,300,000 |

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