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Income Taxes (Schedule of Reconciliation of Expected Income Tax Expense (Benefit)) (Details) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

^[1]

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Expected income tax expense

$ 7,633

$ 12,214

$ 11,223

(Reductions) increases resulting from:

Tax-exempt income

(2,009)

(3,868)

(3,754)

State taxes, net of federal benefit

732

896

623

Share-based compensation adjustment

(286)

(376)

Adjustment of deferred tax asset or liability for TCJA

(74)

1,824

Other, net

83

(805)

(376)

Total income tax expense

$ 1,502

$ 1,481

$ 1,387

$ 1,709

$ 3,576

$ 2,396

$ 2,248

$ 1,665

$ 6,079

^[2]

$ 9,885

^[1],[2]

$ 7,716

^[2]

[1]	Includes one-time, non-cash TCJA charge of $1,824,000
[2]	Presented on a tax-equivalent basis assuming a tax rate of 21% for 2018 and 35% for 2017 and 2016. The tax-equivalent adjustment was approximately $2,422,000 for 2018, $5,691,000 for 2017, and $5,550,000 for 2016.

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