Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Reconciliation of Cash, Cash Equivalents and Restricted Cash) (Details)

v3.20.4
Summary Of Significant Accounting Policies (Reconciliation of Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Summary Of Significant Accounting Policies [Abstract]        
Cash and cash equivalents $ 69,083 $ 62,786 $ 37,379  
Restricted cash included in Land and building held for development, net 1,088 1,088 1,088 $ 1,100
Cash, cash equivalents and restricted cash at the end of the period $ 70,171 $ 63,874 $ 38,467 $ 115,970