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Recently Adopted and Newly Issued Accounting Pronouncements (Details) - USD ($) | Jun. 30, 2019 | Jan. 01, 2019
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Operating Lease Right-of-Use Assets | $ 8,464,000 |
Operating Lease Liabilities | $ 8,498,000 |
ASU 2016-02 |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Operating Lease Right-of-Use Assets |  | $ 9,034,000
Operating Lease Liabilities |  | 9,034,000
ASU 2016-02 | Retained Earnings |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Cumulative effect adjustment resulted from adoption of new accounting guidance |  | $ 0

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