Fair Value Disclosures, Significant Assumptions (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Assets [Abstract]
Equity securities at fair value		$ 336	$ 0
Trading securities		0	455
Securities available for sale		450,593	522,925
Loans held for sale		50,915	39,436
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Equity securities at fair value		336
Trading securities			455
Securities available for sale		0	898
Derivatives		0	0
Liabilities [Abstract]
Derivatives		0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Equity securities at fair value		0
Trading securities			0
Securities available for sale		450,593	522,027
Derivatives		6,307	3,080
Liabilities [Abstract]
Derivatives		2,573	1,292
Significant Un-observable Inputs (Level 3) [Member]
Assets [Abstract]
Equity securities at fair value		0
Trading securities			0
Securities available for sale		0	0
Derivatives		0	0
Liabilities [Abstract]
Derivatives		0	0
Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Equity securities at fair value		336
Trading securities			455
Loans held for sale		50,915	39,436
Capitalized mortgage loan servicing rights		21,848	15,699
Derivatives	[1]	6,307	3,080
Liabilities [Abstract]
Derivatives	[2]	2,573	1,292
Fair Value, Measurements, Recurring [Member] | U.S. Treasury [Member]
Assets [Abstract]
Securities available for sale			898
Fair Value, Measurements, Recurring [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		22,812	25,682
Fair Value, Measurements, Recurring [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		130,001	137,918
Fair Value, Measurements, Recurring [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		9,384	9,760
Fair Value, Measurements, Recurring [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		30,283	29,109
Fair Value, Measurements, Recurring [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		77,280	93,898
Fair Value, Measurements, Recurring [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		144,079	172,945
Fair Value, Measurements, Recurring [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		32,835	47,853
Fair Value, Measurements, Recurring [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,898	2,802
Fair Value, Measurements, Recurring [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		2,021	2,060
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Equity securities at fair value		336
Trading securities			455
Loans held for sale		0	0
Capitalized mortgage loan servicing rights		0	0
Derivatives	[1]	0	0
Liabilities [Abstract]
Derivatives	[2]	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury [Member]
Assets [Abstract]
Securities available for sale			898
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Equity securities at fair value		0
Trading securities			0
Loans held for sale		50,915	39,436
Capitalized mortgage loan servicing rights		0	0
Derivatives	[1]	6,307	3,080
Liabilities [Abstract]
Derivatives	[2]	2,573	1,292
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury [Member]
Assets [Abstract]
Securities available for sale			0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		22,812	25,682
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		130,001	137,918
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		9,384	9,760
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		30,283	29,109
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		77,280	93,898
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		144,079	172,945
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		32,835	47,853
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		1,898	2,802
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		2,021	2,060
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member]
Assets [Abstract]
Equity securities at fair value		0
Trading securities			0
Loans held for sale		0	0
Capitalized mortgage loan servicing rights		21,848	15,699
Derivatives	[1]	0	0
Liabilities [Abstract]
Derivatives	[2]	0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Treasury [Member]
Assets [Abstract]
Securities available for sale			0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency Residential Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | U.S. Agency Commercial Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Private Label Mortgage-Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Other Asset Backed [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Obligations of States and Political Subdivisions [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Corporate [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Trust Preferred [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Foreign Government [Member]
Assets [Abstract]
Securities available for sale		0	0
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member]
Commercial [Abstract]
Income producing - real estate	[3]	280	274
Land, land development & construction - real estate	[3]	1	9
Commercial and industrial	[3]	970	1,051
Mortgage [Abstract]
1-4 Family	[3]	271	339
Resort Lending	[3]	282	207
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate [Member]
Mortgage [Abstract]
1-4 Family	[4]	71	186
Resort Lending	[4]	65	65
Fair Value, Measurements, Nonrecurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Impaired Loans [Member]
Commercial [Abstract]
Income producing - real estate	[3]	0	0
Land, land development & construction - real estate	[3]	0	0
Commercial and industrial	[3]	0	0
Mortgage [Abstract]
1-4 Family	[3]	0	0
Resort Lending	[3]	0	0
Fair Value, Measurements, Nonrecurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Real Estate [Member]
Mortgage [Abstract]
1-4 Family	[4]	0	0
Resort Lending	[4]	0	0
Fair Value, Measurements, Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans [Member]
Commercial [Abstract]
Income producing - real estate	[3]	0	0
Land, land development & construction - real estate	[3]	0	0
Commercial and industrial	[3]	0	0
Mortgage [Abstract]
1-4 Family	[3]	0	0
Resort Lending	[3]	0	0
Fair Value, Measurements, Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Real Estate [Member]
Mortgage [Abstract]
1-4 Family	[4]	0	0
Resort Lending	[4]	0	0
Fair Value, Measurements, Nonrecurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Impaired Loans [Member]
Commercial [Abstract]
Income producing - real estate	[3]	280	274
Land, land development & construction - real estate	[3]	1	9
Commercial and industrial	[3]	970	1,051
Mortgage [Abstract]
1-4 Family	[3]	271	339
Resort Lending	[3]	282	207
Fair Value, Measurements, Nonrecurring [Member] | Significant Un-observable Inputs (Level 3) [Member] | Other Real Estate [Member]
Mortgage [Abstract]
1-4 Family	[4]	71	186
Resort Lending	[4]	$ 65	$ 65

[1] Included in accrued income and other assets.

[2] Included in accrued expenses and other liabilities.

[3] Only includes impaired loans with specific loss allocations based on collateral value.

[4] Only includes other real estate with subsequent write downs to fair value.