Loans, Loan Ratings by Loan Class, Commercial Segment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Commercial Loans, Recorded Investment [Line Items]
Non-watch 1-6	$ 492,101		$ 510,415
Watch 7-8	72,465		89,642
Substandard Accrual 9	21,219		24,520
Substandard Non Accrual 10-11	19,514		28,762
Commercial loans, Total	605,299		653,339
Credit scores by loan class for mortgage and installment segments [Abstract]
Accrued interest included in recorded investment	5,098		5,831
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	85,862		103,669
Payment Plan Receivable, Partial Refund	7,459		10,922
Payment Plan Receivable, Other	287		427
Total	93,608		115,018
Income Producing - Real Estate [Member]
Commercial Loans, Recorded Investment [Line Items]
Non-watch 1-6	166,740		201,655
Watch 7-8	37,261		52,438
Substandard Accrual 9	2,513		5,785
Substandard Non Accrual 10-11	7,742		13,788
Commercial loans, Total	214,256		273,666
Land, Land Development and Construction Real Estate [Member]
Commercial Loans, Recorded Investment [Line Items]
Non-watch 1-6	31,129		33,515
Watch 7-8	5,172		9,421
Substandard Accrual 9	2,673		4,800
Substandard Non Accrual 10-11	4,598		6,990
Commercial loans, Total	43,572		54,726
Commercial and Industrial [Member]
Commercial Loans, Recorded Investment [Line Items]
Non-watch 1-6	294,232		275,245
Watch 7-8	30,032		27,783
Substandard Accrual 9	16,033		13,935
Substandard Non Accrual 10-11	7,174		7,984
Commercial loans, Total	347,471		324,947
Accrued interest included in total [Member]
Commercial Loans, Recorded Investment [Line Items]
Non-watch 1-6	1,430		1,677
Watch 7-8	240		381
Substandard Accrual 9	91		126
Substandard Non Accrual 10-11	0		0
Commercial loans, Total	1,761		2,184
Mortgage [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	50,123	[1]	54,233	[1]
750-799	143,189	[1]	165,077	[1]
700-749	116,943	[1]	124,668	[1]
650-699	93,196	[1]	86,921	[1]
600-649	51,351	[1]	61,278	[1]
550-599	39,046	[1]	45,443	[1]
500-549	28,587	[1]	36,662	[1]
Under 500	10,944	[1]	14,424	[1]
Unknown	6,285	[1]	4,915	[1]
Total	539,664	[1]	593,621	[1]
Mortgage [Member] | 1-4 Family [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	23,203	[1]	26,509	[1]
750-799	58,758	[1]	63,746	[1]
700-749	57,904	[1]	55,047	[1]
650-699	59,330	[1]	54,579	[1]
600-649	34,130	[1]	40,977	[1]
550-599	27,993	[1]	29,732	[1]
500-549	22,506	[1]	28,573	[1]
Under 500	8,961	[1]	12,434	[1]
Unknown	5,378	[1]	4,082	[1]
Total	298,163	[1]	315,679	[1]
Accrued interest included in recorded investment	1,392	[1]	1,404	[1]
Mortgage [Member] | Resort Lending [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	19,052	[1]	17,345	[1]
750-799	64,803	[1]	76,381	[1]
700-749	46,530	[1]	53,210	[1]
650-699	23,087	[1]	21,579	[1]
600-649	10,136	[1]	12,750	[1]
550-599	6,786	[1]	10,698	[1]
500-549	2,888	[1]	3,716	[1]
Under 500	847	[1]	565	[1]
Unknown	577	[1]	579	[1]
Total	174,706	[1]	196,823	[1]
Accrued interest included in recorded investment	808	[1]	928	[1]
Mortgage [Member] | Home Equity Line of Credit - 1st Lien [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	2,586	[1]	4,062	[1]
750-799	5,871	[1]	8,058	[1]
700-749	3,476	[1]	4,280	[1]
650-699	2,347	[1]	2,854	[1]
600-649	2,578	[1]	2,485	[1]
550-599	1,326	[1]	1,547	[1]
500-549	885	[1]	1,615	[1]
Under 500	468	[1]	539	[1]
Unknown	152	[1]	80	[1]
Total	19,689	[1]	25,520	[1]
Accrued interest included in recorded investment	101	[1]	123	[1]
Mortgage [Member] | Home Equity Installment - 2nd Lien [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	5,282	[1]	6,317	[1]
750-799	13,757	[1]	16,892	[1]
700-749	9,033	[1]	12,131	[1]
650-699	8,432	[1]	7,909	[1]
600-649	4,507	[1]	5,066	[1]
550-599	2,941	[1]	3,466	[1]
500-549	2,308	[1]	2,758	[1]
Under 500	668	[1]	886	[1]
Unknown	178	[1]	174	[1]
Total	47,106	[1]	55,599	[1]
Accrued interest included in recorded investment	256	[1]	290	[1]
Mortgage [Member] | Accrued interest included in total [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
Accrued interest included in recorded investment	2,557	[1]	2,745	[1]
Installment [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	27,425	[1]	28,828	[1]
750-799	66,677	[1]	70,199	[1]
700-749	39,123	[1]	41,649	[1]
650-699	28,315	[1]	31,870	[1]
600-649	15,639	[1]	18,388	[1]
550-599	9,237	[1]	11,499	[1]
500-549	6,877	[1]	9,360	[1]
Under 500	2,466	[1]	3,455	[1]
Unknown	2,757	[1]	5,213	[1]
Total	198,516	[1]	220,461	[1]
Installment [Member] | Home Equity Installment - 1st Lien [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	3,900	[1]	5,466	[1]
750-799	8,350	[1]	11,651	[1]
700-749	5,507	[1]	6,899	[1]
650-699	5,813	[1]	7,144	[1]
600-649	3,791	[1]	4,943	[1]
550-599	3,309	[1]	3,435	[1]
500-549	2,164	[1]	3,021	[1]
Under 500	710	[1]	1,160	[1]
Unknown	48	[1]	83	[1]
Total	33,592	[1]	43,802	[1]
Accrued interest included in recorded investment	144	[1]	176	[1]
Installment [Member] | Home Equity Installment - 2nd Lien [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	3,741	[1]	5,047	[1]
750-799	11,554	[1]	16,475	[1]
700-749	9,231	[1]	10,693	[1]
650-699	7,541	[1]	8,407	[1]
600-649	4,666	[1]	5,412	[1]
550-599	2,489	[1]	3,221	[1]
500-549	1,786	[1]	3,145	[1]
Under 500	939	[1]	854	[1]
Unknown	7	[1]	34	[1]
Total	41,954	[1]	53,288	[1]
Accrued interest included in recorded investment	160	[1]	208	[1]
Installment [Member] | Loans Not Secured By Real Estate [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	19,738	[1]	18,245	[1]
750-799	46,222	[1]	41,501	[1]
700-749	23,674	[1]	23,174	[1]
650-699	14,369	[1]	15,646	[1]
600-649	6,685	[1]	7,599	[1]
550-599	3,269	[1]	4,573	[1]
500-549	2,802	[1]	3,011	[1]
Under 500	793	[1]	1,391	[1]
Unknown	2,676	[1]	5,037	[1]
Total	120,228	[1]	120,177	[1]
Accrued interest included in recorded investment	453	[1]	489	[1]
Installment [Member] | Accrued interest included in total [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
Accrued interest included in recorded investment	780	[1]	902	[1]
Installment [Member] | Others 2 [Member]
Credit scores by loan class for mortgage and installment segments [Abstract]
800 and above	46	[1]	70	[1]
750-799	551	[1]	572	[1]
700-749	711	[1]	883	[1]
650-699	592	[1]	673	[1]
600-649	497	[1]	434	[1]
550-599	170	[1]	270	[1]
500-549	125	[1]	183	[1]
Under 500	24	[1]	50	[1]
Unknown	26	[1]	59	[1]
Total	2,742	[1]	3,194	[1]
Accrued interest included in recorded investment	23	[1]	29	[1]
AM Best Rating A+ [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	0		0
Payment Plan Receivable, Partial Refund	0		118
Payment Plan Receivable, Other	149		7
Total	149		125
AM Best Rating, A Ratings [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	29,211		32,461
Payment Plan Receivable, Partial Refund	4,657		165
Payment Plan Receivable, Other	0		269
Total	33,868		32,895
AM Best Rating, A Minus Rating [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	18,001		27,056
Payment Plan Receivable, Partial Refund	2,802		10,639
Payment Plan Receivable, Other	0		0
Total	20,803		37,695
AM Best Rating, B+ Rating [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	162		1,390
Payment Plan Receivable, Partial Refund	0		0
Payment Plan Receivable, Other	0		0
Total	162		1,390
AM Best Rating, B Rating [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	0		0
Payment Plan Receivable, Partial Refund	0		0
Payment Plan Receivable, Other	0		0
Total	0		0
Not Rated [Member]
Credit ratings of insurer or risk retention group counterparties [Abstract]
Payment Plan Receivables, Full Refund	38,488		42,762
Payment Plan Receivable, Partial Refund	0		0
Payment Plan Receivable, Other	138		151
Total	$ 38,626		$ 42,913

[1] Credit scores have been updated within the last twelve months.