Other Income and Other Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Professional services	$ 3,921	$ 3,492	$ 9,750	$ 7,815
Postage	1,769	1,445	4,005	3,171
Telephone	2,450	1,480	4,635	3,099
Credit card expense	4,582	3,762	8,964	7,622
Marketing	3,528	2,436	7,913	5,493
Software and technology	10,024	5,580	19,469	10,076
Operating supplies	828	560	1,764	1,178
Amortization of intangibles	3,369	2,947	6,782	5,588
Branch right sizing expense	1,721	2,887	1,959	2,932
Other expense	2,459	8,278	8,198	15,955
Total other operating expenses	$ 34,651	$ 32,867	$ 73,439	$ 62,929