Goodwill and Intangible Assets - (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of gross carrying amount of intangible assets and the associated accumulated amortization

The gross carrying amount of intangible assets and the associated accumulated amortization at March 31, 2018 and December 31, 2017, are presented as follows:

	March 31, 2018						December 31, 2017
	Gross				Net		Gross				Net
	carrying		Accumulated		carrying		carrying		Accumulated		carrying
	amount		amortization		amount		amount		amortization		amount
Core deposit intangible	$	48,834	$	37,403	$	11,431	$	38,357	$	36,750	$	1,607
Mortgage servicing rights		4,301		171		4,130		—		—		—
Total	$	53,135	$	37,574	$	15,561	$	38,357	$	36,750	$	1,607

Summary of changes in the mortgage servicing rights

Below are the changes in the mortgage servicing rights for the periods presented:

	For the three months ended March 31,
	2018
Beginning balance	$	—
Purchased through acquisitions		4,301
Amortization		(171)
Ending balance	$	4,130
Fair value of mortgage servicing rights	$	4,712