Condensed Parent Information (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ASSETS:
Cash	$ 481,719	$ 183,971
Other assets	22,197	17,554
Total assets	3,304,949	2,449,123
LIABILITIES AND STOCKHOLDERS' EQUITY:
Other Liabilities	22,021	18,278
Total liabilities	2,947,781	2,136,376
Stockholders' equity	357,168	312,747	$ 283,011
Total liabilities and stockholders' equity	3,304,949	2,449,123
Parent [Member]
ASSETS:
Cash	8,062	13,155
Investment in subsidiaries	384,743	337,503
Other assets	4,413	1,996
Total assets	397,218	352,654
LIABILITIES AND STOCKHOLDERS' EQUITY:
Other Liabilities	704	646
Other borrowings	39,346	39,261
Total liabilities	40,050	39,907
Stockholders' equity	357,168	312,747
Total liabilities and stockholders' equity	$ 397,218	$ 352,654