Employee Benefits (Narrative) (Details) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($) employee	Dec. 31, 2020 USD ($) employee	Dec. 31, 2020 USD ($) employee	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jan. 31, 2021 employee	Mar. 20, 2019 employee	Dec. 31, 2017 employee	Mar. 29, 2017 employee
Defined Benefit Plan Disclosure [Line Items]
Purchase of life insurance policies	$ 2,000		$ 11,000	$ 2,000
BOLI amount	$ 9,300
BOLI added		$ 11,000
Cash surrender value of bank owned life insurance		44,285	44,285	23,261
Earnings on bank-owned life insurance			794	647	$ 598
Number of officers with split dollar life insurance arrangement | employee	1							11
Split dollar life insurance arrangement, death benefit		33,300	33,300
Split dollar life insurance arrangement, death benefit to be paid to insured's beneficiary		4,400	4,400
Split dollar life insurance arrangement, death benefit to be paid to Company		$ 28,900	$ 28,900
Number of officers with opportunity to retain benefit equal to two times highest base salary after separation | employee		4	4
Split dollar life insurance arrangement, accrued expense		$ 154	$ 154	107
Number of officers who entered into supplemental executive retirement agreement | employee							1		5
Defined contribution plan, accrued expense		$ 2,000	$ 2,000	$ 1,400
Subsequent Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of officers with split dollar life insurance arrangement | employee						15