Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Based on our loan, unfunded credit commitment, and HTM security portfolios composition at December 31, 2019, and the then current economic environment, the cumulative effect of the changes to our consolidated balance sheets at January 1, 2020, for the adoption of CECL were as follows:

(Dollars in thousands)	Balance at December 31, 2019		Adjustments Due to Adoption of ASC 326			Balance at January 1, 2020
Assets:
Allowance for credit losses: loans	$	304,924	$	25,464		$	330,388
Allowance for credit losses: held-to-maturity securities	—		174			174
Deferred tax assets	28,433		13,415			41,848
Other liabilities:
Allowance for credit losses: unfunded credit commitments	67,656		22,826			90,482
Stockholders' equity:
Retained earnings, net of tax	4,575,601		(35,049		)	4,540,552