Parent Company Financial Statements (Statements of Condition) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investment in subsidiaries:
Other assets	$ 76,993	$ 101,102
Total assets	5,671,850	5,500,356
LIABILITIES AND SHAREHOLDERS' EQUITY
Accrued interest and other liabilities	84,136	94,234
Shareholders’ equity	451,278	541,294	$ 529,314	$ 473,415
Total liabilities and shareholders’ equity	5,671,850	5,500,356
Parent Company [Member]
ASSETS
Cash	40,076	34,339
Investment in subsidiaries:
Investment in subsidiary	460,753	558,045
Receivable from subsidiary	47	0
Other assets	9,410	19,259
Total assets	510,286	611,643
LIABILITIES AND SHAREHOLDERS' EQUITY
Subordinated debentures	44,331	44,331
Due to subsidiary	16	156
Accrued interest and other liabilities	14,660	25,862
Shareholders’ equity	451,279	541,294
Total liabilities and shareholders’ equity	$ 510,286	$ 611,643