Loans, Impaired Financing Receivables (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2016		Sep. 30, 2015	[2]	Sep. 30, 2016		Sep. 30, 2015	[3]	Dec. 31, 2015
Impaired loan with no allocated allowance [Abstract]
TDR		$ 541				$ 541				$ 2,518
Non - TDR		133				133				203
Impaired loans with an allocated allowance [Abstract]
TDR allowances based on collateral		3,472				3,472				4,810
TDR - allowances based on present value cash flow		76,701				76,701				81,002
Non - TDR - allowance based on collateral		902				902				260
Non - TDR - allowance based on present value cash flow		0				0				0
Total impaired loans		81,749				81,749				88,793
Amount of allowance for loan losses allocated [Abstract]
TDR - allowance based on collateral		1,710				1,710				2,436
TDR - allowance based on present value cash flow		8,361				8,361				8,471
Non - TDR - allowance based on collateral		304				304				76
Non - TDR - allowance based on present value cash flow		0				0				0
Allowance for loan losses allocated		10,375				10,375				10,983
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	675				675				2,727
Unpaid Principal Balance, with no related allowance	[1]	1,868				1,868				3,744
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	81,404				81,404				86,404
Unpaid Principal Balance, with an allowance recorded	[1]	84,072				84,072				90,182
Recorded Investment	[1]	82,079				82,079				89,131
Unpaid Principal Balance	[1]	85,940				85,940				93,926
Related Allowance	[1]	10,375				10,375				10,983
Accrued interest included in recorded investment	[1]	330				330				338
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		696	[2]	$ 8,011		1,669	[3]	$ 8,854
Interest Income Recognized, with No Related Allowance		6	[2]	130		43	[3]	428
Average Recorded Investment, with Related Allowance		83,676	[2]	97,669		84,839	[3]	99,669
Interest Income Recognized, with Related Allowance		902	[2]	1,016		2,710	[3]	3,085
Average Recorded Investment		84,372	[2]	105,680		86,508	[3]	108,523
Interest Income Recognized		908	[2]	1,146		2,753	[3]	3,513
Commercial [Member] | Income Producing - Real Estate [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	541				541				641
Unpaid Principal Balance, with no related allowance	[1]	787				787				851
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	7,813				7,813				8,377
Unpaid Principal Balance, with an allowance recorded	[1]	7,951				7,951				9,232
Recorded Investment	[1]	8,354				8,354				9,018
Unpaid Principal Balance	[1]	8,738				8,738				10,083
Related Allowance	[1]	561				561				516
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		551	[2]	5,133		632	[3]	5,490
Interest Income Recognized, with No Related Allowance		0	[2]	45		2	[3]	170
Average Recorded Investment, with Related Allowance		8,000	[2]	14,655		8,153	[3]	13,752
Interest Income Recognized, with Related Allowance		111	[2]	154		318	[3]	452
Average Recorded Investment		8,551	[2]	19,788		8,785	[3]	19,242
Interest Income Recognized		111	[2]	199		320	[3]	622
Commercial [Member] | Land, Land Development and Construction - Real Estate [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	133				133				818
Unpaid Principal Balance, with no related allowance	[1]	709				709				1,393
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	389				389				1,690
Unpaid Principal Balance, with an allowance recorded	[1]	391				391				1,778
Recorded Investment	[1]	522				522				2,508
Unpaid Principal Balance	[1]	1,100				1,100				3,171
Related Allowance	[1]	67				67				296
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		133	[2]	932		405	[3]	986
Interest Income Recognized, with No Related Allowance		0	[2]	14		7	[3]	57
Average Recorded Investment, with Related Allowance		1,117	[2]	1,993		1,352	[3]	2,351
Interest Income Recognized, with Related Allowance		3	[2]	2		29	[3]	35
Average Recorded Investment		1,250	[2]	2,925		1,757	[3]	3,337
Interest Income Recognized		3	[2]	16		36	[3]	92
Commercial [Member] | Commercial and Industrial [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				1,245
Unpaid Principal Balance, with no related allowance	[1]	0				0				1,241
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	7,211				7,211				4,097
Unpaid Principal Balance, with an allowance recorded	[1]	7,566				7,566				4,439
Recorded Investment	[1]	7,211				7,211				5,342
Unpaid Principal Balance	[1]	7,566				7,566				5,680
Related Allowance	[1]	2,697				2,697				1,896
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	1,922		616	[3]	2,345
Interest Income Recognized, with No Related Allowance		0	[2]	68		21	[3]	195
Average Recorded Investment, with Related Allowance		7,145	[2]	6,431		5,929	[3]	7,304
Interest Income Recognized, with Related Allowance		69	[2]	37		151	[3]	117
Average Recorded Investment		7,145	[2]	8,353		6,545	[3]	9,649
Interest Income Recognized		69	[2]	105		172	[3]	312
Mortgage [Member] | 1-4 Family [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	1				1				23
Unpaid Principal Balance, with no related allowance	[1]	305				305				183
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	43,038				43,038				47,792
Unpaid Principal Balance, with an allowance recorded	[1]	44,922				44,922				49,808
Recorded Investment	[1]	43,039				43,039				47,815
Unpaid Principal Balance	[1]	45,227				45,227				49,991
Related Allowance	[1]	4,173				4,173				5,132
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		12	[2]	24		12	[3]	18
Interest Income Recognized, with No Related Allowance		3	[2]	3		9	[3]	5
Average Recorded Investment, with Related Allowance		44,256	[2]	49,706		45,728	[3]	51,078
Interest Income Recognized, with Related Allowance		470	[2]	554		1,447	[3]	1,644
Average Recorded Investment		44,268	[2]	49,730		45,740	[3]	51,096
Interest Income Recognized		473	[2]	557		1,456	[3]	1,649
Mortgage [Member] | Resort Lending [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	17,295				17,295				18,148
Unpaid Principal Balance, with an allowance recorded	[1]	17,327				17,327				18,319
Recorded Investment	[1]	17,295				17,295				18,148
Unpaid Principal Balance	[1]	17,327				17,327				18,319
Related Allowance	[1]	2,488				2,488				2,662
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	15
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		17,372	[2]	18,414		17,705	[3]	18,523
Interest Income Recognized, with Related Allowance		161	[2]	163		480	[3]	507
Average Recorded Investment		17,372	[2]	18,414		17,705	[3]	18,538
Interest Income Recognized		161	[2]	163		480	[3]	507
Mortgage [Member] | Home Equity - 1st Lien [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	239				239				168
Unpaid Principal Balance, with an allowance recorded	[1]	244				244				172
Recorded Investment	[1]	239				239				168
Unpaid Principal Balance	[1]	244				244				172
Related Allowance	[1]	32				32				9
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	0
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		241	[2]	157		223	[3]	159
Interest Income Recognized, with Related Allowance		2	[2]	2		6	[3]	6
Average Recorded Investment		241	[2]	157		223	[3]	159
Interest Income Recognized		2	[2]	2		6	[3]	6
Mortgage [Member] | Home Equity - 2nd Lien [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	318				318				244
Unpaid Principal Balance, with an allowance recorded	[1]	400				400				325
Recorded Investment	[1]	318				318				244
Unpaid Principal Balance	[1]	400				400				325
Related Allowance	[1]	24				24				15
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	0
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		280	[2]	185		231	[3]	154
Interest Income Recognized, with Related Allowance		6	[2]	0		11	[3]	6
Average Recorded Investment		280	[2]	185		231	[3]	154
Interest Income Recognized		6	[2]	0		11	[3]	6
Installment [Member] | Home Equity - 1st Lien [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	67				67				76
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	2,108				2,108				2,364
Unpaid Principal Balance, with an allowance recorded	[1]	2,223				2,223				2,492
Recorded Investment	[1]	2,108				2,108				2,364
Unpaid Principal Balance	[1]	2,290				2,290				2,568
Related Allowance	[1]	105				105				143
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	0
Interest Income Recognized, with No Related Allowance		3	[2]	0		4	[3]	1
Average Recorded Investment, with Related Allowance		2,140	[2]	2,474		2,233	[3]	2,582
Interest Income Recognized, with Related Allowance		34	[2]	47		118	[3]	141
Average Recorded Investment		2,140	[2]	2,474		2,233	[3]	2,582
Interest Income Recognized		37	[2]	47		122	[3]	142
Installment [Member] | Home Equity - 2nd Lien [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	2,461				2,461				2,929
Unpaid Principal Balance, with an allowance recorded	[1]	2,480				2,480				2,951
Recorded Investment	[1]	2,461				2,461				2,929
Unpaid Principal Balance	[1]	2,480				2,480				2,951
Related Allowance	[1]	191				191				271
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		4	[3]	0
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		2,585	[2]	2,999		2,723	[3]	3,086
Interest Income Recognized, with Related Allowance		37	[2]	47		122	[3]	147
Average Recorded Investment		2,585	[2]	2,999		2,727	[3]	3,086
Interest Income Recognized		37	[2]	47		122	[3]	147
Installment [Member] | Loans Not Secured by Real Estate [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	530				530				587
Unpaid Principal Balance, with an allowance recorded	[1]	566				566				658
Recorded Investment	[1]	530				530				587
Unpaid Principal Balance	[1]	566				566				658
Related Allowance	[1]	37				37				42
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	0
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		536	[2]	645		557	[3]	669
Interest Income Recognized, with Related Allowance		9	[2]	10		28	[3]	29
Average Recorded Investment		536	[2]	645		557	[3]	669
Interest Income Recognized		9	[2]	10		28	[3]	29
Installment [Member] | Other [Member]
Impaired Loans by class [Abstract]
Recorded Investment, with no related allowance	[1]	0				0				0
Unpaid Principal Balance, with no related allowance	[1]	0				0				0
No Related Allowance	[1]	0				0				0
Recorded Investment, with an allowance recorded	[1]	2				2				8
Unpaid Principal Balance, with an allowance recorded	[1]	2				2				8
Recorded Investment	[1]	2				2				8
Unpaid Principal Balance	[1]	2				2				8
Related Allowance	[1]	0				0				$ 1
Average recorded investment in and interest income earned on impaired loans by class [Abstract]
Average Recorded Investment, with No Related Allowance		0	[2]	0		0	[3]	0
Interest Income Recognized, with No Related Allowance		0	[2]	0		0	[3]	0
Average Recorded Investment, with Related Allowance		4	[2]	10		5	[3]	11
Interest Income Recognized, with Related Allowance		0	[2]	0		0	[3]	1
Average Recorded Investment		4	[2]	10		5	[3]	11
Interest Income Recognized		$ 0	[2]	$ 0		$ 0	[3]	$ 1

[1] There were no impaired payment plan receivables or purchased mortgage loans at September 30, 2016 or December 31, 2015.

[2] There were no impaired payment plan receivables or purchased mortgage loans during the three month periods ended September 30, 2016 and 2015, respectively.

[3] There were no impaired payment plan receivables or purchased mortgage loans during the nine month periods ended September 30, 2016 and 2015, respectively.