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Summary of Significant Accounting Policies - Narrative (Details)		3 Months Ended
	Jul. 02, 2019 USD ($)	Mar. 31, 2020 USD ($) market	Jan. 01, 2020 USD ($)
Accounting Policies [Abstract]
Number of markets entity operates \| market		12
Schedule of Equity Method Investments [Line Items]
Recognized upon initial adoption of ASU		$ (31,796,000)
Impact of adopting ASC 326		34,300,000
Off-Balance Sheet, Credit Loss, Liability			$ 8,800,000
Deferred Taxes Recorded due to Cumulative Change in Accounting Principle			$ 11,300,000
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase		$ 3,800,000
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	$ 59,000,000.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets	45,600,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	$ 134,300,000