Loans (Schedule of Recorded Investment in Home Equity, Consumer and Residential Mortgage Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2019		Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 2,732,452	[1]	$ 2,744,042	[2]
Home Equity Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total	204,350	[1]	209,009	[2]
Home Equity Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total	204,260		208,921
Home Equity Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total	90		88
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total	77,824	[1]	77,761	[2]
Consumer Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total	77,711		77,599
Consumer Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total	113		162
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total	308,525	[1]	329,354	[2]
Residential Mortgage Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total	307,019		327,737
Residential Mortgage Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 1,506		$ 1,617

[1] Total recorded investment in loans includes $11,778 in accrued interest.

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