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Summary of Significant Accounting Policies - Narrative (Details)	Jul. 02, 2019 USD ($)	Sep. 30, 2019 market
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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