Other Income and Other Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
Professional services	$ 5,247	$ 5,829
Postage	2,370	2,236
Telephone	1,632	2,185
Credit card expense	4,685	4,382
Marketing	3,153	4,385
Software and technology	10,251	9,445
Operating supplies	570	936
Amortization of intangibles	3,344	3,413
Branch right sizing expense	625	238
Other expense	6,540	8,739
Total other operating expenses	$ 38,417	$ 41,788