Reportable Segments (Schedule of financial information for each reportable segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income	$ 23,991	$ 23,088	$ 47,856	$ 44,700
Interest expense	4,217	6,549	9,986	12,343
Net interest income (loss)	19,774	16,539	37,870	32,357
Provision for loan losses	10,200	300	16,200	600
Noninterest income	9,207	4,090	13,125	7,084
Noninterest expense	12,644	11,368	25,016	22,016
Net income (loss) before taxes	6,137	8,961	9,779	16,825
Income tax provision (benefit)	1,459	1,721	2,269	3,576
Net income (loss)	4,678	7,240	7,510	13,249
Total assets	2,482,295	2,116,044	2,482,295	2,116,044	$ 2,267,195
Commercial And Retail Banking [Member]
Segment Reporting Information [Line Items]
Interest income	23,709	22,933	47,378	44,453
Interest expense	3,723	6,391	9,057	12,023
Net interest income (loss)	19,986	16,542	38,321	32,430
Provision for loan losses	10,200	300	16,200	600
Noninterest income	3,431	1,260	4,681	2,397
Noninterest expense	10,191	9,609	20,690	19,075
Net income (loss) before taxes	3,026	7,893	6,112	15,152
Income tax provision (benefit)	728	1,498	1,499	3,225
Net income (loss)	2,298	6,395	4,613	11,927
Total assets	2,435,095	2,103,085	2,435,095	2,103,085
Mortgage Banking [Member]
Segment Reporting Information [Line Items]
Interest income	282	155	478	247
Interest expense
Net interest income (loss)	282	155	478	247
Provision for loan losses
Noninterest income	5,776	2,830	8,444	4,687
Noninterest expense	2,368	1,699	4,175	2,821
Net income (loss) before taxes	3,690	1,286	4,747	2,113
Income tax provision (benefit)	775	270	997	444
Net income (loss)	2,915	1,016	3,750	1,669
Total assets	46,645	12,497	46,645	12,497
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Interest income	6	3	10	6
Interest expense	500	161	939	326
Net interest income (loss)	(494)	(158)	(929)	(320)
Provision for loan losses
Noninterest income
Noninterest expense	85	60	151	120
Net income (loss) before taxes	(579)	(218)	(1,080)	(440)
Income tax provision (benefit)	(44)	(47)	(227)	(93)
Net income (loss)	(535)	(171)	(853)	(347)
Total assets	252,371	203,335	252,371	203,335
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Interest income	(6)	(3)	(10)	(6)
Interest expense	(6)	(3)	(10)	(6)
Net interest income (loss)
Provision for loan losses
Noninterest income
Noninterest expense
Net income (loss) before taxes
Income tax provision (benefit)
Net income (loss)
Total assets	$ (251,816)	$ (202,873)	$ (251,816)	$ (202,873)