Other Noninterest Expenses (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Noninterest Expenses
Data processing fees	$ 2,448,000	$ 1,974,000	$ 4,842,000	$ 3,896,000
Professional fees	738,000	789,000	1,718,000	1,353,000
Mortgage banking loan processing expenses	780,000	388,000	1,264,000	683,000
Telecommunication expenses	409,000	330,000	781,000	648,000
Marketing and advertising expenses	348,000	435,000	838,000	808,000
Travel and educational expenses	100,000	304,000	544,000	706,000
All other noninterest expenses	2,048,000	1,686,000	3,825,000	3,392,000
Total Other Noninterest Expenses	6,871,000	5,906,000	13,812,000	11,486,000
Merger related expenses	308,000	$ 0	898,000	$ 0
Merger related data processing fees	263,000		501,000
Merger related professional fees	22,000		336,000
Merger related other noninterest expenses	$ 23,000		$ 61,000