Acquisitions - Schedule of Consideration Transferred (Details) - Interboro Insurance Company $ in Thousands	Apr. 29, 2016 USD ($)
Business Acquisition
Notes Issued	$ 8,550
Cash	48,450
Accrued Liabilities	3,471
Total purchase price	$ 60,471

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The fair value of notes issued in noncash investing and financing activities.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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