Acquisitions - Schedule of Purchase Price Allocation (Details) - Interboro Insurance Company $ in Thousands	Apr. 29, 2016 USD ($)
Business Acquisition
Cash and Cash Equivalents	$ 15,610
Investments	66,440
Premium and Agents' Receivable	3,185
Goodwill	10,106
Intangible assets	6,241
Insurance contract asset	8,366
Other assets	4,971
Loss Reserves	(24,967)
Unearned Premiums	(26,243)
Reinsurance Receivable	1,042
Deferred taxes	(352)
Other liabilities	(3,928)
Total purchase price	$ 60,471

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