Related Party Transactions	12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	Related Party TransactionsThe Company currently leases executive office buildings in Wyomissing, Pennsylvania from affiliates of its Chairman of the Board of Directors. Rent expense for the years ended December 31, 2018, 2017 and 2016 was $1.3 million, $1.2 million and $1.2 million, respectively. The leases for the office space expire in May 2019 and August 2024. The future minimum lease commitments relating to these leases as of December 31, 2018 were $3.2 million.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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