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Subsequent Event | 12 Months Ended
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Dec. 31, 2017
Subsequent Events [Abstract] |
SUBSEQUENT EVENT | SUBSEQUENT EVENT On January 1, 2018, we sold a majority interest in S&T Evergreen Insurance, LLC, a subsidiary of S&T Insurance Group. We received $5.0 million of consideration and a 30 percent equity ownership interest in the new limited liability corporation. As a result of this sale, we expect to recognize a gain of approximately $1.0 million in the first quarter of 2018.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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