XML 28 R30.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) - ASU 2018-15
Jan. 01, 2020
Accounting Pronouncements  
Change in Accounting Principle, Accounting Standards Update, Adopted true
Change in Accounting Principle, Accounting Standards Update, Transition Option Elected Prospective