Loans (Schedule of Recorded Investment in Home Equity, Consumer and Residential Mortgage Loans) (Details) - USD ($) $ in Thousands		Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		$ 2,001,415	[1],[2]	$ 1,574,027	[3],[4]
Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		134,032	[2]	98,167	[4]
Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		60,099	[2]	50,169	[4]
Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		183,770	[2]	136,653	[4]
Performing | Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		133,959		97,963
Performing | Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		60,014		50,079
Performing | Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		182,421		135,985
Nonperforming | Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		73		204
Nonperforming | Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		85		90
Nonperforming | Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		1,349		668
Loans Acquired with Deteriorated Credit Quality
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		11,048	[2]	7,555	[2]	$ 8,361
Loans Acquired with Deteriorated Credit Quality | Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance	[2]	0		0
Loans Acquired with Deteriorated Credit Quality | Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		53	[2]	0	[2]	118
Loans Acquired with Deteriorated Credit Quality | Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Total Ending Loans Balance		$ 945	[2]	$ 867	[2]	$ 1,504

[1] Total recorded investment in loans includes $8,011 in accrued interest.

[2] Total recorded investment in loans includes $8,011 in accrued interest.

[3] Total recorded investment in loans includes $5,952 in accrued interest.

[4] Total recorded investment in loans includes $5,952 in accrued interest.