Parent Company Statements - Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 161,566	$ 159,266	$ 131,254	$ 98,962
Equity securities	14,097	1,090
Other assets	90,325	77,257
Total assets	7,481,402	7,211,734
Liabilities and stockholders’ equity
Stockholders’ equity	1,023,496	982,276	$ 426,167	$ 399,589
Total liabilities and stockholders’ equity	7,481,402	7,211,734
Parent Company [Member]
Assets
Cash and cash equivalents	24,152	58,017
Equity securities	14,097
Investment in banking subsidiary	1,034,379	962,675
Investment in non-bank subsidiaries	33,102	39,699
Other assets	4,110	6,013
Total assets	1,109,840	1,067,494
Liabilities and stockholders’ equity
Subordinated debentures	84,976	84,860
Accrued liabilities	1,368	358
Stockholders’ equity	1,023,496	982,276
Total liabilities and stockholders’ equity	$ 1,109,840	$ 1,067,494