Loans (Schedule of Recorded Investment in Home Equity, Consumer and Residential Mortgage Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2019		Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	$ 2,725,212	[1]	$ 2,744,042	[2]
Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	204,626	[1]	209,009	[2]
Home Equity Loans | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	204,508		208,921
Home Equity Loans | Nonperforming
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	118		88
Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	78,356	[1]	77,761	[2]
Consumer Loans | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	78,128		77,599
Consumer Loans | Nonperforming
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	228		162
Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	315,432	[1]	329,354	[2]
Residential Mortgage Loans | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	313,876		327,737
Residential Mortgage Loans | Nonperforming
Financing Receivable, Recorded Investment [Line Items]
Loans, net of deferred income	$ 1,556		$ 1,617

[1] Total recorded investment in loans includes $12,798 in accrued interest.

[2] Total recorded investment in loans includes $12,301 in accrued interest.