Additional Cash Flow Information - Schedule of Cash Flow, Supplemental Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income taxes paid	$ 13,779	$ 16,449	$ 14,841
Noncash Investing and Financing Activities
Real estate acquired in settlement of loans	1,707	12,729	12,044
Sale and financing of foreclosed assets	625	1,340	2,578
Conversion of premises and equipment to foreclosed assets	80	1,135
Dividends declared but not paid	4,676	4,849	4,528
Additional Cash Payment Information
Interest paid	42,221	53,922	37,091
Income taxes paid	$ 18,755	$ 5,719	$ 2,569