XML 67 R43.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies (Future Principal Receipts Related to Available-For-Sale Security by Contractual Maturity) (Details)
$ in Thousands
Feb. 02, 2020
USD ($)
Available For Sale Securities [Abstract]  
Amortized Cost, Within one year $ 131
Amortized Cost, After one year through five years 910
Amortized Cost, After five years through ten years 1,438
Amortized Cost, After ten years 3,699
Amortized Cost, Total 6,178
Estimated Fair Value, Within one year 145
Estimated Fair Value, After one year through five years 978
Estimated Fair Value, After five years through ten years 1,505
Estimated Fair Value, After ten years 3,804
Estimated Fair Value, Total $ 6,432