Acquisitions (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands		9 Months Ended
	Feb. 28, 2018	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets:
Goodwill			$ 22,310	$ 22,310	$ 1,800
Liabilities:
Non-interest bearing	$ 81,061
NOW accounts	66,372
Savings and money market	85,690
Certificate of deposits	82,107
Borrowings	25,463
Interest payable	81
Subordinated debt	4,000
Other liabilities	462
Total liabilities assumed	345,236
Cash paid		$ 18,999
Commercial Segment [Member]
Liabilities:
Total deposits	315,230
Universal Bancorp [Member]
Assets:
Cash and cash equivalents	11,326
Interest-bearing time deposits	8,747
Investment securities, available for sale	87,817
Total Loans	252,431
Premises and equipment, net	4,799
Federal Home Loan Bank stock	1,637
Deferred tax asset, net	2,848
Cash value of life insurance	7,556
Goodwill	20,511
Core deposit intangible	4,545
Interest receivables	1,259
Other real estate owned and repossessed assets	1,009
Other assets	2,073
Total assets purchased	406,558
Liabilities:
Common shares issued	42,323
Cash paid	18,999
Total purchase price	61,322
Universal Bancorp [Member] | Commercial Segment [Member]
Assets:
Total Loans	203,489
Universal Bancorp [Member] | Residential Mortgage [Member]
Assets:
Total Loans	36,410
Universal Bancorp [Member] | Consumer [Member]
Assets:
Total Loans	$ 12,532