Parent Company Financial Statements (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets:
Other assets	$ 125,196	$ 159,749
Total assets	5,851,127	5,713,169	$ 5,292,659
Liabilities:
Junior subordinated debentures	22,681	22,681
Other liabilities	109,577	152,364
Total liabilities	5,286,319	5,178,974
Shareholders’ Equity:
Common stock	1,085	1,085
Paid-in capital	126,511	125,610
Retained earnings	458,310	418,246
Accumulated other comprehensive loss	(19,981)	(7,391)
Treasury stock, at cost	1,117	3,355
Total shareholders’ equity	564,808	534,195	$ 503,492	$ 448,184
Total liabilities and shareholders’ equity	5,851,127	5,713,169
Parent Company [Member]
Assets:
Cash on deposit with bank subsidiary	8,290	1,658
Dividends receivable from bank subsidiary	12,964	11,836
Other assets	747	124
Total assets	597,608	566,508
Liabilities:
Junior subordinated debentures	22,681	22,681
Dividends payable	10,048	9,592
Other liabilities	71	40
Total liabilities	32,800	32,313
Shareholders’ Equity:
Common stock	1,085	1,085
Paid-in capital	126,511	125,610
Retained earnings	458,310	418,246
Accumulated other comprehensive loss	(19,981)	(7,391)
Treasury stock, at cost	(1,117)	(3,355)
Total shareholders’ equity	564,808	534,195
Total liabilities and shareholders’ equity	597,608	566,508
Bank [Member]
Assets:
Investment in subsidiaries at equity value:	573,757	550,986
Non-bank [Member]
Assets:
Investment in subsidiaries at equity value:	$ 1,850	$ 1,904