XML 93 R77.htm IDEA: XBRL DOCUMENT v3.22.0.1
Goodwill and Other Intangible Assets - Summary of Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Balance of intangible assets, Gross CDI Carrying Amount, Beginning of period $ 93,297 $ 93,297
Balance of intangible assets, Gross CDI Carrying Amount, End of period 93,297 93,297
Estimated Amortization Expense:    
2022 7,126  
2023 6,010  
2024 4,892  
2025 3,773  
2026 2,415  
Thereafter 1,178  
Total 25,394 33,634
Balance of intangible assets, Accumulated Amortization, Beginning of period (59,663) (50,311)
Amortization (8,240) (9,352)
Balance of intangible assets, Accumulated Amortization, End of period (67,903) (59,663)
Balance of intangible assets, Net CDI Amount, Beginning of period 33,634 42,986
Amortization (8,240) (9,352)
Balance of intangible assets, Net CDI Amount, End of period $ 25,394 $ 33,634