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Other Operating Expenses - Schedule of Other Operating Expenses (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Costs and Expenses [Abstract]      
Franchise and other miscellaneous taxes $ 10,459 $ 14,112 $ 12,813
Consulting, regulatory and advisory fees 12,642 11,717 8,993
ATM and electronic banking interchange expenses 8,238 8,365 6,931
Postage and courier expenses 5,151 5,028 5,334
Supplies 3,819 4,561 4,499
Legal fees 3,440 3,307 3,054
Communications 4,157 4,292 3,720
Other real estate owned and foreclosure expenses 219 (108) 397
Other 21,936 19,474 16,915
Total other operating expenses $ 70,061 $ 70,748 $ 62,656