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LOANS AND ALLOWANCE FOR LOAN LOSSES, CREDIT QUALITY INDICATOR (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Finance receivable by credit quality indicator [Abstract]    
Loans $ 895,900,939 $ 657,559,695
Deteriorated Loans Transferred in [Abstract]    
Contractually required principal and interest, opening balance 21,317,659  
Contractually required principal and interest, closing balance 16,896,078  
Contractual cash flows not expected to be collected (nonaccretable discount), opening balance (4,662,346)  
Contractual cash flows not expected to be collected (nonaccretable discount), closing balance (4,605,358)  
Cash flows expected to be collected, opening balance 16,655,313  
Cash flows expected to be collected, closing balance 12,290,720  
Interest component of expected cash flows (accretable yield), opening balance (1,843,603)  
Interest component of expected cash flows (accretable yield, closing balance (2,529,044)  
Fair value of loans acquired with deteriorating credit quality, opening balance 14,811,710  
Fair value of loans acquired with deteriorating credit quality, closing balance 9,761,676  
Contractually required principal and interest, income accretion 0  
Contractual cash flows not expected to be collected (nonaccretable discount), income accretion 0  
Cash flows expected to be collected, income accretion 0  
Interest component of expected cash flows (accretable yield), income accretion 1,668,699  
Fair value of loans acquired with deteriorating credit quality, income accretion 1,668,699  
Contractually required principal and interest, all other adjustments (4,421,581)  
Contractual cash flows not expected to be collected (nonaccretable discount), all other adjustments 56,988  
Cash flows expected to be collected, all other adjustments (4,364,593)  
Interest component of expected cash flows (accretable yield), all other adjustments (2,354,140)  
Fair value of loans acquired with deteriorating credit quality, all other adjustments (6,718,733)  
Commercial, financial and agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 134,194,422 116,807,456
Residential mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 200,998,777 175,585,287
Consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 239,689,455 190,904,630
Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 805,303,351 657,559,695
Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 698,452 258,098
Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 121,961,094 116,549,358
Originated Loans [Member] | Residential mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 188,249,435 175,585,287
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 188,249,435 175,585,287
Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,851,145 1,955,215
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 1,851,145 1,955,215
Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 82,424,233 76,889,348
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 82,424,233 76,889,348
Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 130,977,775 97,540,240
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 130,977,775 97,540,240
Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 19,507,107 14,519,827
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 19,507,107 14,519,827
Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 90,597,588 141,781,995
Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 11,534,876 27,388,500
Acquired Loans [Member] | Residential mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 12,749,342 18,532,022
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 12,749,342 18,532,022
Acquired Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 4,845,652 6,168,831
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 4,845,652 6,168,831
Acquired Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 83,543 147,610
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 83,543 147,610
Not Rated [Member] | Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 419,861,521 363,432,389
Not Rated [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Originated Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 186,084,001 173,120,292
Not Rated [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,851,145 1,955,215
Not Rated [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 81,796,116 76,432,196
Not Rated [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 130,642,490 97,426,891
Not Rated [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 19,487,769 14,497,795
Not Rated [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 17,155,459 24,475,425
Not Rated [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Not Rated [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 12,252,640 18,158,984
Not Rated [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 4,819,276 6,168,831
Not Rated [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 83,543 147,610
Pass [Member] | Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 348,575,195 253,008,952
Pass [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 34,588,347 6,391,614
Pass [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 202,157,249 152,435,884
Pass [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 698,451 258,098
Pass [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 111,131,148 93,923,356
Pass [Member] | Originated Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 56,894,921 89,640,181
Pass [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 294,564 1,790,731
Pass [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 46,471,017 62,684,708
Pass [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 10,129,340 25,164,742
Pass [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Pass [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 9,761,676 14,811,710
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,182,020 2,022,149
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 7,208,696 11,063,483
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,126,692 1,499,141
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 244,268 226,937
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Loans Acquired with deteriorated credit quality [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 20,128,441 21,669,130
Special Mention [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,671,195 208,360
Special Mention [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 10,651,788 6,503,087
Special Mention [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 7,805,458 14,957,683
Special Mention [Member] | Originated Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 5,008,195 8,524,703
Special Mention [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 3,482,723 7,447,661
Special Mention [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,322,928 475,036
Special Mention [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 202,544 602,006
Special Mention [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Special Mention [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Substandard [Member] | Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 16,320,234 15,404,212
Substandard [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 739,150 783,757
Substandard [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 9,826,381 7,423,514
Substandard [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Substandard [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 2,606,529 4,139,413
Substandard [Member] | Originated Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 2,165,434 2,464,995
Substandard [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Substandard [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 628,117 457,152
Substandard [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 335,285 113,349
Substandard [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 19,338 22,032
Substandard [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,701,037 4,038,430
Substandard [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 1,422,227 1,190,500
Substandard [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 2,677,194
Substandard [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 24,635
Substandard [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 252,434 146,101
Substandard [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 26,376 0
Substandard [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 417,960 4,045,012
Doubtful [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 516,106
Doubtful [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Agricultural [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 417,960 3,528,906
Doubtful [Member] | Originated Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Acquired Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 76,300 291,546
Doubtful [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Construction [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Acquired Loans [Member] | Commercial mortgages [Member] | Other [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 193,570
Doubtful [Member] | Acquired Loans [Member] | Commercial, financial and agricultural [Member] | Commercial and industrial [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 76,300 97,976
Doubtful [Member] | Acquired Loans [Member] | Residential mortgages [Member] | Commercial mortgages [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Doubtful [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Finance receivable by credit quality indicator [Abstract]    
Loans 0 0
Performing [Member] | Originated Loans [Member] | Residential mortgages [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 186,078,845 173,120,292
Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 1,847,838 1,946,162
Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 81,879,244 76,432,196
Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 130,642,490 97,426,891
Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 19,487,769 14,497,878
Performing [Member] | Acquired Loans [Member] | Residential mortgages [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 12,496,908 18,385,921
Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 4,819,276 6,168,831
Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 83,543 147,610
Non-Performing [Member] | Originated Loans [Member] | Residential mortgages [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 2,170,590 2,464,995
Non-Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 3,307 9,053
Non-Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 544,989 457,152
Non-Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 335,285 113,349
Non-Performing [Member] | Originated Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 19,338 21,949
Non-Performing [Member] | Acquired Loans [Member] | Residential mortgages [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 252,434 146,101
Non-Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Credit Cards [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Non-Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Home Equity Lines & Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 26,376 0
Non-Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Indirect consumer loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable 0 0
Non-Performing [Member] | Acquired Loans [Member] | Consumer loans [Member] | Other Direct Consumer Loans [Member]
   
Residential and consumer finance receivable [Abstract]    
Residential and consumer loans receivable $ 0 $ 0