Summary of Significant Accounting Policies (Summary of Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental information:
Cash paid for interest	$ 14,709	$ 28,875	$ 37,225
Cash paid for income taxes, net of refunds received	10,832	7,462	9,853
Noncash investing and financing activities:
Real estate and other assets acquired in settlement of loans		2,966	557
Accrued and declared unpaid dividends	4,624	$ 4,535	4,365
Decrease in net unsettled security purchases			(2,650)
Securities transferred from held to maturity to available for sale (at cost)			26,175
Common stock issued for Courier Capital contingent earn-out			$ 1,151
Common stock issued for acquisition	301
Assets acquired and liabilities assumed in business combinations:
Fair value of assets acquired	$ 712