Loans, Allowance for Loan Losses, and Credit Quality (Details Textuals) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Loans Allowance For Loan Losses And Credit Quality Disclosure Textuals [Line Items]
Interest income recognized on accruing restructured loans			$ 3,000,000		$ 6,000,000
Restructured Loans Subsequently Accruing	2,000,000		2,000,000
Performing Restructured Loans	114,381,000		114,381,000		123,985,000
Nonaccrual Restructured Loans	72,388,000		72,388,000		59,585,000
YTD restructured loans still on nonaccrual	15,000,000		15,000,000
90 Days or More Past Due	67,743,000		67,743,000		86,863,000
Financing Receivable Modification Recorded Investment	5,014,000	15,891,000	17,415,000	27,641,000
Accruing Loans [Member]
Loans Allowance For Loan Losses And Credit Quality Disclosure Textuals [Line Items]
90 Days or More Past Due	$ 1,777,000		$ 1,777,000		$ 2,350,000