XML 68 R74.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
INVESTMENT SECURITIES (Investment Securities at an Unrealized Loss Position) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
security
shares
Mar. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
security
Investments, Debt and Equity Securities [Abstract]      
Number of investment securities in an unrealized loss position | security 81   336
Investment Holdings [Line Items]      
Less than 12 months, Fair Value $ 115,244   $ 254,634
Less than 12 months, Unrealized Losses (1,197)   (2,729)
12 months or longer, Fair Value 234,127   896,550
12 months or longer, Unrealized Losses (2,102)   (26,733)
Total, Fair Value 349,371   1,151,184
Total, Unrealized Losses (3,299)   (29,462)
Common Stock, Value, Issued 447,602   470,660
States and political subdivisions      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 1,754   38,099
Less than 12 months, Unrealized Losses (9)   (157)
12 months or longer, Fair Value 801   49,505
12 months or longer, Unrealized Losses (31)   (1,318)
Total, Fair Value 2,555   87,604
Total, Unrealized Losses (40)   (1,475)
Corporate securities      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 0   49,729
Less than 12 months, Unrealized Losses 0   (250)
12 months or longer, Fair Value 0   5,120
12 months or longer, Unrealized Losses 0   (160)
Total, Fair Value 0   54,849
Total, Unrealized Losses 0   (410)
U.S. Treasury obligations and direct obligations of U.S Government agencies      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 18,882   30,029
Less than 12 months, Unrealized Losses (143)   (613)
12 months or longer, Fair Value 19,031   2,545
12 months or longer, Unrealized Losses (255)   (70)
Total, Fair Value 37,913   32,574
Total, Unrealized Losses (398)   (683)
Residential - U.S. Government-sponsored entities (GSEs)      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 54,335   88,957
Less than 12 months, Unrealized Losses (283)   (1,229)
12 months or longer, Fair Value 214,295   666,685
12 months or longer, Unrealized Losses (1,816)   (21,437)
Total, Fair Value 268,630   755,642
Total, Unrealized Losses (2,099)   (22,666)
Residential - Non-government sponsored entities      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 8,206   0
Less than 12 months, Unrealized Losses (16)   0
12 months or longer, Fair Value 0   24,515
12 months or longer, Unrealized Losses 0   (464)
Total, Fair Value 8,206   24,515
Total, Unrealized Losses (16)   (464)
Commercial - U.S. GSEs      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value 32,067   13,973
Less than 12 months, Unrealized Losses (746)   (247)
12 months or longer, Fair Value 0   101,500
12 months or longer, Unrealized Losses 0   (2,365)
Total, Fair Value 32,067   115,473
Total, Unrealized Losses $ (746)   (2,612)
Commercial - Non-GSEs      
Investment Holdings [Line Items]      
Less than 12 months, Fair Value     33,847
Less than 12 months, Unrealized Losses     (233)
12 months or longer, Fair Value     46,680
12 months or longer, Unrealized Losses     (919)
Total, Fair Value     80,527
Total, Unrealized Losses     $ (1,152)
Common Class B | Visa      
Investment Holdings [Line Items]      
Investment Owned, Balance, Shares | shares 34,631    
Common Class A | Visa      
Investment Holdings [Line Items]      
Common Stock, Value, Issued   $ 2,600  
Investment Owned, Balance, Shares | shares   11,170