Acquisitions (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 28, 2018	Mar. 31, 2018	Dec. 31, 2017
Assets:
Goodwill		$ 23,869	$ 1,800
Liabilities:
Cash paid		$ 18,999
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	252,563
Premises and equipment, net	4,799
Federal Home Loan Bank stock	1,637
Deferred tax asset, net	2,056
Cash value of life insurance	7,556
Goodwill	22,069
Core deposit intangible	4,545
Interest receivables	1,259
Other real estate owned and repossessed	1,009
Other assets	1,545
Total assets purchased	406,928
Liabilities:
Non-interest bearing	81,061
NOW accounts	66,372
Savings and money market	85,690
Certificate of deposits	82,107
Total deposits	315,230
Borrowings	25,463
Interest payable	81
Subordinated debt	4,000
Other liabilities	832
Total liabilities assumed	345,606
Common shares issued	42,323
Cash paid	18,999
Total purchase price	61,322
Universal Bancorp [Member] | Commercial Segment [Member]
Assets:
Total Loans	203,621
Universal Bancorp [Member] | Residential Mortgage [Member]
Assets:
Total Loans	36,410
Universal Bancorp [Member] | Consumer [Member]
Assets:
Total Loans	$ 12,532