CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest and dividend income:
Loans, including fees	$ 39,234	$ 32,983	$ 76,074	$ 65,811
Securities:
Taxable	1,168	636	1,904	2,008
Tax-exempt	52		87
Money market funds		4		34
Overnight deposits	442	374	786	1,967
Other interest and dividends	154	226	305	471
Total interest income	41,050	34,223	79,156	70,291
Interest expense:
Deposits	3,565	2,915	6,736	8,682
Borrowed funds		583		1,319
Trust preferred securities interest expense	107	159	215	349
Subordinated debt interest expense	405	405	809	809
Total interest expense	4,077	4,062	7,760	11,159
Net interest income	36,973	30,161	71,396	59,132
Provision for loan losses	1,875	1,766	2,825	6,556
Net interest income after provision for loan losses	35,098	28,395	68,571	52,576
Non-interest income:
Unrealized gain (loss) on equity securities	4	19	(36)	55
Gain on sale of securities	609	2,312	609	3,286
Total non-interest income	6,156	5,653	10,749	9,989
Non-interest expense:
Compensation and benefits	11,211	10,058	22,638	20,017
Bank premises and equipment	2,000	1,887	4,024	4,387
Professional fees	2,003	882	3,306	1,837
Licensing fees and technology costs	3,514	3,460	6,515	7,265
Other expenses	2,961	1,997	5,528	4,291
Total non-interest expense	21,689	18,284	42,011	37,797
Net income before income tax expense	19,565	15,764	37,309	24,768
Income tax expense	6,229	4,953	11,856	7,860
Net income	$ 13,336	$ 10,811	$ 25,453	$ 16,908
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 1.59	$ 1.30	$ 3.06	$ 2.04
Diluted earnings per common share (in dollars per share)	$ 1.55	$ 1.28	$ 2.98	$ 2.00
Service charges on deposit accounts
Non-interest income:
Non-interest income	$ 1,349	$ 803	$ 2,414	$ 1,883
Revenue, Product and Service [Extensible List]	Service charges on deposit accounts	Service charges on deposit accounts	Service charges on deposit accounts	Service charges on deposit accounts
Prepaid third-party debit card income.
Non-interest income:
Non-interest income	$ 3,628	$ 2,108	$ 6,894	$ 3,729
Revenue, Product and Service [Extensible List]	Prepaid third-party debit card income.	Prepaid third-party debit card income.	Prepaid third-party debit card income.	Prepaid third-party debit card income.
Other service charges and fees
Non-interest income:
Non-interest income	$ 566	$ 411	$ 868	$ 1,036
Revenue, Product and Service [Extensible List]	Other service charges and fees	Other service charges and fees	Other service charges and fees	Other service charges and fees