XML 12 R73.htm IDEA: XBRL DOCUMENT v3.19.3
Recently Adopted and Newly Issued Accounting Pronouncements (Details) - USD ($)
Sep. 30, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating Lease Right-of-Use Assets $ 9,802,000  
Operating Lease Liabilities $ 9,900,000  
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