Acquisitions - Assets acquired and liabilities assumed (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
	Nov. 05, 2021	Jun. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Liabilities assumed
Goodwill			$ 86,985	$ 86,135
Hancock Bancorp, Inc
Consideration
Cash consideration			31,358	31,358
Fair value of total consideration transferred	$ 31,360		31,358	31,358
Assets acquired
Cash			3,046	3,046
Investment securities available-for-sale			57,054	57,054
Federal funds sold			10,470	10,470
Bank owned life insurance			9,753	9,753
Federal Home Loan Bank stock			1,362	1,362
Loans			227,827	227,827
Premises and equipment			8,180	8,180
Core deposit intangibles			652	652
Other assets			3,717	4,567
Total assets acquired			322,061	322,911
Liabilities assumed
Deposits			286,098	286,098
FHLB advances			11,042	11,042
Other liabilities			1,956	1,956
Total liabilities assumed			299,096	299,096
Net identifiable assets			22,965	23,815
Goodwill	$ 8,400		8,393	$ 7,543
Measurement Period Adjustments - Assets acquired
Other assets			(850)
Total assets acquired			(850)
Net identifiable assets			(850)
Goodwill		$ 850	$ 850