Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details)

v3.19.3
SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Schedule of gross unrealized losses and fair value of investments [Line Items]    
Less than 12 months, Fair Value $ 117,286,000 $ 475,029,000
Less than 12 months, Unrealized Losses (551,000) (5,361,000)
More than 12 Months, Fair Value 99,846,000 385,433,000
More than 12 months, Unrealized Losses (805,000) (10,184,000)
Total, Fair Value 217,132,000 860,462,000
Total, Unrealized Losses (1,356,000) (15,545,000)
Obligations of states and political subdivisions    
Schedule of gross unrealized losses and fair value of investments [Line Items]    
Less than 12 months, Fair Value 2,296,000 133,513,000
Less than 12 months, Unrealized Losses (12,000) (1,566,000)
More than 12 Months, Fair Value 0 10,145,000
More than 12 months, Unrealized Losses 0 (375,000)
Total, Fair Value 2,296,000 143,658,000
Total, Unrealized Losses (12,000) (1,941,000)
Corporate and other bonds    
Schedule of gross unrealized losses and fair value of investments [Line Items]    
Less than 12 months, Fair Value 25,341,000 35,478,000
Less than 12 months, Unrealized Losses (149,000) (315,000)
More than 12 Months, Fair Value 25,306,000 33,888,000
More than 12 months, Unrealized Losses (225,000) (668,000)
Total, Fair Value 50,647,000 69,366,000
Total, Unrealized Losses (374,000) (983,000)
Mortgage-backed securities    
Schedule of gross unrealized losses and fair value of investments [Line Items]    
Less than 12 months, Fair Value 89,649,000 306,038,000
Less than 12 months, Unrealized Losses (390,000) (3,480,000)
More than 12 Months, Fair Value 74,540,000 341,400,000
More than 12 months, Unrealized Losses (580,000) (9,141,000)
Total, Fair Value 164,189,000 647,438,000
Total, Unrealized Losses $ (970,000) $ (12,621,000)