Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair Value $ 197,146 $ 331,384
Less than 12 months, Unrealized Losses (1,741) (3,263)
More than 12 Months, Fair Value 57,729 46,168
More than 12 Months, Unrealized Losses (1,803) (1,382)
Fair value, Total 254,875 377,552
Unrealized Losses, Total (3,544) (4,645)
Obligations of States and Political Subdivisions [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair Value 8,407 8,114
Less than 12 months, Unrealized Losses (62) (70)
More than 12 Months, Fair Value 2,337 4,950
More than 12 Months, Unrealized Losses (87) (70)
Fair value, Total 10,744 13,064
Unrealized Losses, Total (149) (140)
Mortgage Backed Securities [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair Value 167,203 287,113
Less than 12 months, Unrealized Losses (1,073) (2,442)
More than 12 Months, Fair Value 27,198 21,660
More than 12 Months, Unrealized Losses (333) (337)
Fair value, Total 194,401 308,773
Unrealized Losses, Total (1,406) (2,779)
Corporate Bonds and Other Securities [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair Value 21,536 36,157
Less than 12 months, Unrealized Losses (606) (751)
More than 12 Months, Fair Value 28,194 19,558
More than 12 Months, Unrealized Losses (1,383) (975)
Fair value, Total 49,730 55,715
Unrealized Losses, Total $ (1,989) $ (1,726)