Loans (Loan Balances By Classification) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	$ 1,996,296	$ 1,620,898
Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,996,296	1,620,898
Originated Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,220,965	1,212,014
Originated Loan [Member] | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	44,276	37,901
Originated Loan [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	429,541	434,660
Originated Loan [Member] | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	473,817	472,561
Originated Loan [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	247,103	249,975
Originated Loan [Member] | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	256,551	254,169
Originated Loan [Member] | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	63,491	62,463
Originated Loan [Member] | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	176,857	169,913
Originated Loan [Member] | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	3,146	2,933
Acquired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	775,331	408,884
Acquired Loans [Member] | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	9,759	1,051
Acquired Loans [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	317,225	121,475
Acquired Loans [Member] | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	326,984	122,526
Acquired Loans [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	78,873	30,056
Acquired Loans [Member] | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	317,529	225,274
Acquired Loans [Member] | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	38,222	18,232
Acquired Loans [Member] | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	13,723	12,796
Acquired Loans [Member] | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	$ 0	$ 0