Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Valuation Technique	Appraisals of collateral value	Appraisals of collateral value
Discounted Cash Flow Model [Member] | Commercial Portfolio Segment [Member] | Impaired Loans [Member] | Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	0.00%	0.00%
Discounted Cash Flow Model [Member] | Commercial Portfolio Segment [Member] | Impaired Loans [Member] | Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	6.00%	6.00%
Discounted Cash Flow Model [Member] | Commercial Portfolio Segment [Member] | Impaired Loans [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Valuation Technique	Discounted cash flow model	Discounted cash flow model
Appraisals of Collateral Valuation Technique [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	8.00%	8.00%
Appraisals of Collateral Valuation Technique [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] | Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	12.00%	12.00%
Appraisals of Collateral Valuation Technique [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Valuation Technique	Appraisals of collateral value	Appraisals of collateral value
Appraisals of Collateral Valuation Technique [Member] | Residential Portfolio Segment [Member] | Other Real Estate Owned [Member] | Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	0.00%	0.00%
Appraisals of Collateral Valuation Technique [Member] | Residential Portfolio Segment [Member] | Other Real Estate Owned [Member] | Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	25.00%	25.00%
Appraisals of Collateral Valuation Technique [Member] | Residential Portfolio Segment [Member] | Other Real Estate Owned [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Valuation Technique	Appraisals of collateral value	Appraisals of collateral value
Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	0.00%	0.00%
Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Line Items]
Discounted Range	25.00%	25.00%