Goodwill, Core Deposit Intangible and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill, Core Deposit Intangible Assets and Customer Relationship Intangible Assets

The following tables summarize the changes in the Company’s goodwill, core deposit intangible assets, and customer relationship intangible assets for the three months ended March 31, 2021 and 2020:  

	For the Three Months Ended March 31,
	2021								2020
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	21,809		$	2,469		$	148,353	$	29,111		$	2,791
Amortization		—		(1,683	)		(66	)		—		(1,826	)		(67	)
Ending balance	$	148,353	$	20,126		$	2,403		$	148,353	$	27,285		$	2,724
Accumulated amortization	N/A		$	33,340		$	813		N/A		$	28,181		$	492
Weighted average remaining    amortization period	N/A		5.4 Years			9.0 Years			N/A		6.3 Years			10.2 Years

Estimated Amortization Expense for Core Deposit Intangible and Customer Relationship Intangible Recognized

The following table presents the estimated amortization expense for core deposit intangible and customer relationship intangible assets remaining at March 31, 2021:

	Estimated Amortization
2021	$	5,249
2022		6,426
2023		4,371
2024		2,286
2025		1,721
Thereafter		2,476
Total	$	22,529