XML 68 R56.htm IDEA: XBRL DOCUMENT v3.20.4
AFS Securities (AFS securities with gross unrealized losses) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Securities
Debt Securities, Available-for-sale [Line Items]  
Gross Unrealized Losses, Less Than Twelve Months $ 46
Fair Value, Less Than Twelve Months 24,236
Gross Unrealized Losses, Twelve Months or More 782
Fair Value, Twelve Months or More 66,129
Total Unrealized Losses $ 828
Number of Securities in an unrealized loss position, Less Than Twelve Months, Fair Value | Securities 9
Number of Securities in an unrealized loss position, Twelve Months or More, Fair Value | Securities 19
Number of Securities in an unrealized loss position, Total Unrealized Losses | Securities 28
Auction rate money market preferred [Member]  
Debt Securities, Available-for-sale [Line Items]  
Gross Unrealized Losses, Less Than Twelve Months $ 0
Fair Value, Less Than Twelve Months 0
Gross Unrealized Losses, Twelve Months or More 81
Fair Value, Twelve Months or More 3,119
Total Unrealized Losses 81
Mortgage-backed securities [Member]  
Debt Securities, Available-for-sale [Line Items]  
Gross Unrealized Losses, Less Than Twelve Months 3
Fair Value, Less Than Twelve Months 3,974
Gross Unrealized Losses, Twelve Months or More 557
Fair Value, Twelve Months or More 49,701
Total Unrealized Losses 560
Collateralized mortgage obligations [Member]  
Debt Securities, Available-for-sale [Line Items]  
Gross Unrealized Losses, Less Than Twelve Months 43
Fair Value, Less Than Twelve Months 20,262
Gross Unrealized Losses, Twelve Months or More 144
Fair Value, Twelve Months or More 13,309
Total Unrealized Losses $ 187