CONSOLIDATED INCOME STATEMENTS - UNAUDITED - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Loans	$ 54,884	$ 53,835
Securities	6,997	6,165
FHLB stock, fed funds sold and interest-bearing deposits	457	544
Total interest income	62,338	60,544
Interest expense:
Deposits	14,646	15,448
Borrowings	2,824	4,049
Total interest expense	17,470	19,497
Net interest income	44,868	41,047
Provision for credit losses	4,079	540
Net interest income after provision for credit losses	40,789	40,507
Noninterest income:
Revenue from contract with customers	$ 7,762	$ 6,794
Type of Revenue [Extensible List]	us-gaap:InvestmentAdvisoryManagementAndAdministrativeServiceMember	us-gaap:InvestmentAdvisoryManagementAndAdministrativeServiceMember
Other income	$ 2,913	$ 1,671
Total noninterest income	10,675	8,465
Noninterest expense:
Compensation and benefits	19,857	18,902
Occupancy and depreciation	5,512	4,868
Professional services and marketing costs	1,754	2,004
Customer service costs	2,372	3,389
Other expenses	3,362	3,782
Total noninterest expense	32,857	32,945
Income before taxes on income	18,607	16,027
Taxes on income	5,396	4,768
Net income	$ 13,211	$ 11,259
Net income per share:
Basic	$ 0.30	$ 0.25
Diluted	$ 0.29	$ 0.25
Shares used in computation:
Basic	44,669,661	44,540,865
Diluted	44,952,669	44,798,306