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Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]  
Stockholders' Equity Attributable to Parent us-gaap_StockholdersEquity $ 1,800,000
Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member]  
Stockholders' Equity Attributable to Parent us-gaap_StockholdersEquity $ 1,800,000