Loans and Allowance for Loan Losses - Internal Risk Rating Summary (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	$ 1,882,025	$ 1,852,772	$ 1,661,041
Total loans	1,897,972	1,871,447
Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	1,481,407	1,480,527	1,353,339
Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	785,307	818,986	742,972
Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	599,262	561,718	491,651
Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	96,838	99,823	118,716
Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	313,563	306,140	275,710
Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	21,424	22,186	28,843
Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	65,631	43,919	$ 3,149
Purchased credit impaired loans
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	15,947	18,675
Purchased credit impaired loans | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	11,767	13,904
Purchased credit impaired loans | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	2,381	2,629
Purchased credit impaired loans | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	9,140	11,018
Purchased credit impaired loans | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	246	257
Purchased credit impaired loans | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	3,782	4,358
Purchased credit impaired loans | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	398	413
Pass
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	1,790,684	1,759,787
Pass | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	1,402,660	1,399,627
Pass | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	754,937	789,413
Pass | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	558,252	520,446
Pass | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	89,471	89,768
Pass | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	302,094	294,933
Pass | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	20,817	21,582
Pass | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	65,113	43,645
Pass | Purchased credit impaired loans
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	10,749	13,376
Pass | Purchased credit impaired loans | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	7,668	9,934
Pass | Purchased credit impaired loans | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	2,023	2,257
Pass | Purchased credit impaired loans | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	5,489	7,499
Pass | Purchased credit impaired loans | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	156	178
Pass | Purchased credit impaired loans | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	3,049	3,406
Pass | Purchased credit impaired loans | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	32	36
Special Mention
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	29,246	30,290
Special Mention | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	28,053	28,989
Special Mention | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	11,133	11,964
Special Mention | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	11,965	12,065
Special Mention | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	4,955	4,960
Special Mention | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	794	899
Special Mention | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	392	387
Special Mention | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	7	15
Special Mention | Purchased credit impaired loans
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	1,724	1,809
Special Mention | Purchased credit impaired loans | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	1,724	1,809
Special Mention | Purchased credit impaired loans | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	151	159
Special Mention | Purchased credit impaired loans | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	1,483	1,571
Special Mention | Purchased credit impaired loans | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	90	79
Special Mention | Purchased credit impaired loans | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Special Mention | Purchased credit impaired loans | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Substandard
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	59,177	61,011
Substandard | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	49,776	50,746
Substandard | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	19,212	17,581
Substandard | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	28,972	29,134
Substandard | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	1,592	4,031
Substandard | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	8,701	9,815
Substandard | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	189	191
Substandard | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	511	259
Substandard | Purchased credit impaired loans
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	3,468	3,484
Substandard | Purchased credit impaired loans | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	2,369	2,155
Substandard | Purchased credit impaired loans | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	201	207
Substandard | Purchased credit impaired loans | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	2,168	1,948
Substandard | Purchased credit impaired loans | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Substandard | Purchased credit impaired loans | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	733	952
Substandard | Purchased credit impaired loans | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	366	377
Doubtful
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	2,918	1,684
Doubtful | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	918	1,165
Doubtful | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	25	28
Doubtful | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	73	73
Doubtful | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	820	1,064
Doubtful | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	1,974	493
Doubtful | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	26	26
Doubtful | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans, excluding PCI	0	0
Doubtful | Purchased credit impaired loans
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	6	6
Doubtful | Purchased credit impaired loans | Total commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	6	6
Doubtful | Purchased credit impaired loans | Total commercial | Business
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	6	6
Doubtful | Purchased credit impaired loans | Total commercial | Real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Doubtful | Purchased credit impaired loans | Total commercial | Acquisition, development and construction
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Doubtful | Purchased credit impaired loans | Residential real estate
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	0	0
Doubtful | Purchased credit impaired loans | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total loans	$ 0	$ 0