SECURITIES (Details) (USD $) | Mar. 31, 2014 | Sep. 30, 2013 |
In Thousands, unless otherwise specified |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | $1,060,969 | | $916,408 | |
Gross Unrealized Gains | 4,592 | | 4,586 | |
Gross Unrealized Losses | -31,958 | | -39,801 | |
Debt, securities, fair value | 1,033,603 | | 881,193 | |
Held-to-maturity Securities [Abstract] | ' | | ' | |
Held-to-maturity Securities, Amortized cost | 290,311 | | 288,026 | |
Held-to-maturity Securities, Gross Unrealized Gains | 318 | | 13 | |
Held-to-maturity Securities, Gross Unrealized Losses | -12,455 | | -17,521 | |
Held-to-maturity Securities, Fair Value | 278,174 | | 270,518 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 1,060,969 | | 916,408 | |
Debt securities, fair value | 1,033,603 | | 881,193 | |
Gross Unrealized Losses | -31,958 | | -39,801 | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | 496,051 | | 627,618 | |
OVER 12 MONTHS, Fair Value | 172,253 | | 13,477 | |
Fair Value | 668,304 | | 641,095 | |
LESS THAN 12 MONTHS, Unrealized (Losses) | -20,845 | | -36,985 | |
OVER 12 MONTHS, Unrealized (Losses) | -11,113 | | -2,816 | |
Unrealized (Losses) | -31,958 | | -39,801 | |
Held-to-maturity securities, continuous unrealized loss position [Abstract] | ' | | ' | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Fair Value | 216,434 | | 269,429 | |
Held-to-maturity Securities, OVER 12 MONTHS, Fair Value | 45,622 | | 0 | |
Held-to-maturity Securities, Fair Value | 262,056 | | 269,429 | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Unrealized (Losses) | -10,325 | | -17,521 | |
Held-to-maturity Securities, OVER 12 MONTHS, Unrealized (Losses) | -2,130 | | 0 | |
Held-to-maturity Securities, Unrealized (Losses) | -12,455 | | -17,521 | |
AMORTIZED COST [Abstract] | ' | | ' | |
Due in one year or less | 0 | | 0 | |
Due after one year through five years | 11,172 | | 9,929 | |
Due after five years through ten years | 243,806 | | 162,203 | |
Due after ten years | 176,018 | | 147,933 | |
Total Amortized Cost | 430,996 | | 320,065 | |
Mortgage-backed securities | 629,973 | | 596,343 | |
Total debt securities | 1,060,969 | | 916,408 | |
FAIR VALUE [Abstract] | ' | | ' | |
Due in one year or less | 0 | | 0 | |
Due after one year through five years | 11,362 | | 10,061 | |
Due after five years through ten years | 238,203 | | 155,014 | |
Due after ten years | 167,866 | | 134,746 | |
Total Fair Value | 417,431 | | 299,821 | |
Mortgage-backed securities | 616,172 | | 581,372 | |
Securities available for sale | 1,033,603 | | 881,193 | |
AMORTIZED COST [Abstract] | ' | | ' | |
Due in one year or less | 345 | | 649 | |
Due after one year through five years | 4,112 | | 2,234 | |
Due after five years through ten years | 71,453 | | 50,547 | |
Due after ten years | 140,725 | | 157,669 | |
Total Amortized Cost | 216,635 | | 211,099 | |
Mortgage-backed securities | 73,676 | | 76,927 | |
Total debt securities | 290,311 | | 288,026 | |
FAIR VALUE [Abstract] | ' | | ' | |
Due in one year or less | 346 | | 649 | |
Due after one year through five years | 4,063 | | 2,203 | |
Due after five years through ten years | 68,424 | | 47,519 | |
Due after ten years | 135,157 | | 147,046 | |
Total Fair Value | 207,990 | | 197,417 | |
Mortgage-backed securities | 70,184 | | 73,101 | |
Total debt securities | 278,174 | | 270,518 | |
Trust Preferred Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 19,343 | [1] | 19,318 | [1] |
Gross Unrealized Losses | -2,692 | [1] | -2,918 | [1] |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 19,343 | [1] | 19,318 | [1] |
Debt securities, fair value | 16,651 | [1] | 16,400 | [1] |
Gross Unrealized Losses | -2,692 | [1] | -2,918 | [1] |
FAIR VALUE [Abstract] | ' | | ' | |
Securities available for sale | 16,651 | [1] | 16,400 | [1] |
S&P Credit Rating, BBB- [Member] | Moody Credit Rating, Baa3 [Member] | Key Corp Capital I [Member] | Trust Preferred Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 4,985 | [1] | 4,984 | [1] |
Gross Unrealized Losses | -769 | [1] | -884 | [1] |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 4,985 | [1] | 4,984 | [1] |
Debt securities, fair value | 4,216 | [1] | 4,100 | [1] |
Gross Unrealized Losses | -769 | [1] | -884 | [1] |
FAIR VALUE [Abstract] | ' | | ' | |
Securities available for sale | 4,216 | [1] | 4,100 | [1] |
S&P Credit Rating, BB+ [Member] | Moody Credit Rating, Baa3 [Member] | Huntington Capital Trust II SE [Member] | Trust Preferred Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 4,976 | [1] | 4,976 | [1] |
Gross Unrealized Losses | -876 | [1] | -901 | [1] |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 4,976 | [1] | 4,976 | [1] |
Debt securities, fair value | 4,100 | [1] | 4,075 | [1] |
Gross Unrealized Losses | -876 | [1] | -901 | [1] |
FAIR VALUE [Abstract] | ' | | ' | |
Securities available for sale | 4,100 | [1] | 4,075 | [1] |
S&P Credit Rating, BBB [Member] | Moody Credit Rating, Baa2 [Member] | PNC Capital Trust [Member] | Trust Preferred Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 4,961 | [1] | 4,959 | [1] |
Gross Unrealized Losses | -799 | [1] | -784 | [1] |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 4,961 | [1] | 4,959 | [1] |
Debt securities, fair value | 4,162 | [1] | 4,175 | [1] |
Gross Unrealized Losses | -799 | [1] | -784 | [1] |
FAIR VALUE [Abstract] | ' | | ' | |
Securities available for sale | 4,162 | [1] | 4,175 | [1] |
S&P Credit Rating, A- [Member] | Moody Credit Rating, A3 [Member] | Wells Fargo (Corestates Capital) Trust [Member] | Trust Preferred Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 4,421 | [1] | 4,399 | [1] |
Gross Unrealized Losses | -248 | [1] | -349 | [1] |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 4,421 | [1] | 4,399 | [1] |
Debt securities, fair value | 4,173 | [1] | 4,050 | [1] |
Gross Unrealized Losses | -248 | [1] | -349 | [1] |
FAIR VALUE [Abstract] | ' | | ' | |
Securities available for sale | 4,173 | [1] | 4,050 | [1] |
Trust Preferred and Corporate Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 55,902 | | 52,897 | |
Gross Unrealized Gains | 184 | | 136 | |
Gross Unrealized Losses | -3,641 | | -4,249 | |
Debt, securities, fair value | 52,445 | | 48,784 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 55,902 | | 52,897 | |
Gross Unrealized Losses | -3,641 | | -4,249 | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | 16,988 | | 29,312 | |
OVER 12 MONTHS, Fair Value | 22,313 | | 13,477 | |
Fair Value | 39,301 | | 42,789 | |
LESS THAN 12 MONTHS, Unrealized (Losses) | -545 | | -1,433 | |
OVER 12 MONTHS, Unrealized (Losses) | -3,096 | | -2,816 | |
Unrealized (Losses) | -3,641 | | -4,249 | |
Agency and Instrumentality Securities [Member] | ' | | ' | |
Held-to-maturity Securities [Abstract] | ' | | ' | |
Held-to-maturity Securities, Amortized cost | 10,000 | | 10,003 | |
Held-to-maturity Securities, Gross Unrealized Gains | 0 | | 0 | |
Held-to-maturity Securities, Gross Unrealized Losses | -303 | | -390 | |
Held-to-maturity Securities, Fair Value | 9,697 | | 9,613 | |
Held-to-maturity securities, continuous unrealized loss position [Abstract] | ' | | ' | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Fair Value | 9,697 | | 9,613 | |
Held-to-maturity Securities, OVER 12 MONTHS, Fair Value | 0 | | 0 | |
Held-to-maturity Securities, Fair Value | 9,697 | | 9,613 | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Unrealized (Losses) | -303 | | -390 | |
Held-to-maturity Securities, OVER 12 MONTHS, Unrealized (Losses) | 0 | | 0 | |
Held-to-maturity Securities, Unrealized (Losses) | -303 | | -390 | |
Small Business Administration Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 52,799 | | 10,099 | |
Gross Unrealized Gains | 632 | | 482 | |
Gross Unrealized Losses | 0 | | 0 | |
Debt, securities, fair value | 53,431 | | 10,581 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 52,799 | | 10,099 | |
Gross Unrealized Losses | 0 | | 0 | |
Obligations of States and Political Subdivisions [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | ' | | 1,880 | |
Gross Unrealized Gains | ' | | 0 | |
Gross Unrealized Losses | ' | | -153 | |
Debt, securities, fair value | ' | | 1,727 | |
Held-to-maturity Securities [Abstract] | ' | | ' | |
Held-to-maturity Securities, Amortized cost | 18,567 | | 19,549 | |
Held-to-maturity Securities, Gross Unrealized Gains | 22 | | 13 | |
Held-to-maturity Securities, Gross Unrealized Losses | -804 | | -1,220 | |
Held-to-maturity Securities, Fair Value | 17,785 | | 18,342 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | ' | | 1,880 | |
Gross Unrealized Losses | ' | | -153 | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | ' | | 1,727 | |
OVER 12 MONTHS, Fair Value | ' | | 0 | |
Fair Value | ' | | 1,727 | |
LESS THAN 12 MONTHS, Unrealized (Losses) | ' | | -153 | |
OVER 12 MONTHS, Unrealized (Losses) | ' | | 0 | |
Unrealized (Losses) | ' | | -153 | |
Held-to-maturity securities, continuous unrealized loss position [Abstract] | ' | | ' | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Fair Value | 12,828 | | 17,253 | |
Held-to-maturity Securities, OVER 12 MONTHS, Fair Value | 2,991 | | 0 | |
Held-to-maturity Securities, Fair Value | 15,819 | | 17,253 | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Unrealized (Losses) | -583 | | -1,220 | |
Held-to-maturity Securities, OVER 12 MONTHS, Unrealized (Losses) | -221 | | 0 | |
Held-to-maturity Securities, Unrealized (Losses) | -804 | | -1,220 | |
Non Bank Qualified Obligation U S States And Political Subdivisions [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 321,754 | | 255,189 | |
Gross Unrealized Gains | 290 | | 0 | |
Gross Unrealized Losses | -11,303 | | -16,460 | |
Debt, securities, fair value | 310,741 | | 238,729 | |
Held-to-maturity Securities [Abstract] | ' | | ' | |
Held-to-maturity Securities, Amortized cost | 188,068 | | 181,547 | |
Held-to-maturity Securities, Gross Unrealized Gains | 296 | | 0 | |
Held-to-maturity Securities, Gross Unrealized Losses | -7,856 | | -12,085 | |
Held-to-maturity Securities, Fair Value | 180,508 | | 169,462 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 321,754 | | 255,189 | |
Gross Unrealized Losses | -11,303 | | -16,460 | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | 164,930 | | 238,729 | |
OVER 12 MONTHS, Fair Value | 97,806 | | 0 | |
Fair Value | 262,736 | | 238,729 | |
LESS THAN 12 MONTHS, Unrealized (Losses) | -5,699 | | -16,460 | |
OVER 12 MONTHS, Unrealized (Losses) | -5,604 | | 0 | |
Unrealized (Losses) | -11,303 | | -16,460 | |
Held-to-maturity securities, continuous unrealized loss position [Abstract] | ' | | ' | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Fair Value | 123,726 | | 169,462 | |
Held-to-maturity Securities, OVER 12 MONTHS, Fair Value | 42,631 | | 0 | |
Held-to-maturity Securities, Fair Value | 166,357 | | 169,462 | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Unrealized (Losses) | -5,947 | | -12,085 | |
Held-to-maturity Securities, OVER 12 MONTHS, Unrealized (Losses) | -1,909 | | 0 | |
Held-to-maturity Securities, Unrealized (Losses) | -7,856 | | -12,085 | |
Mortgage-backed Securities [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 629,973 | | 596,343 | |
Gross Unrealized Gains | 3,204 | | 3,968 | |
Gross Unrealized Losses | -17,005 | | -18,939 | |
Debt, securities, fair value | 616,172 | | 581,372 | |
Held-to-maturity Securities [Abstract] | ' | | ' | |
Held-to-maturity Securities, Amortized cost | 73,676 | | 76,927 | |
Held-to-maturity Securities, Gross Unrealized Gains | 0 | | 0 | |
Held-to-maturity Securities, Gross Unrealized Losses | -3,492 | | -3,826 | |
Held-to-maturity Securities, Fair Value | 70,184 | | 73,101 | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 629,973 | | 596,343 | |
Gross Unrealized Losses | -17,005 | | -18,939 | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | 314,012 | | 357,850 | |
OVER 12 MONTHS, Fair Value | 52,134 | | 0 | |
Fair Value | 366,146 | | 357,850 | |
LESS THAN 12 MONTHS, Unrealized (Losses) | -14,592 | | -18,939 | |
OVER 12 MONTHS, Unrealized (Losses) | -2,413 | | 0 | |
Unrealized (Losses) | -17,005 | | -18,939 | |
Held-to-maturity securities, continuous unrealized loss position [Abstract] | ' | | ' | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Fair Value | 70,183 | | 73,101 | |
Held-to-maturity Securities, OVER 12 MONTHS, Fair Value | 0 | | 0 | |
Held-to-maturity Securities, Fair Value | 70,183 | | 73,101 | |
Held-to-maturity Securities, LESS THAN 12 MONTHS, Unrealized (Losses) | -3,492 | | -3,826 | |
Held-to-maturity Securities, OVER 12 MONTHS, Unrealized (Losses) | 0 | | 0 | |
Held-to-maturity Securities, Unrealized (Losses) | -3,492 | | -3,826 | |
Common Equities and Mutual Funds [Member] | ' | | ' | |
Debt securities [Abstract] | ' | | ' | |
Amortized cost | 541 | | ' | |
Gross Unrealized Gains | 282 | | ' | |
Gross Unrealized Losses | -9 | | ' | |
Debt, securities, fair value | 814 | | ' | |
Trust preferred securities included in available-for-sale securities [Abstract] | ' | | ' | |
Amortized cost | 541 | | ' | |
Gross Unrealized Losses | -9 | | ' | |
Gross unrealized losses and fair value of securities in continuous unrealized loss position [Abstract] | ' | | ' | |
LESS THAN 12 MONTHS, Fair Value | 121 | | ' | |
OVER 12 MONTHS, Fair Value | 0 | | ' | |
Fair Value | 121 | | ' | |
LESS THAN 12 MONTHS, Unrealized (Losses) | -9 | | ' | |
OVER 12 MONTHS, Unrealized (Losses) | 0 | | ' | |
Unrealized (Losses) | ($9) | | ' | |
|
[1] | Trust preferred securities are single-issuance. There are no known deferrals, defaults or excess subordination. |