Stockholders' Equity and EPS (Tables)

9 Months Ended

Sep. 30, 2019

Equity and Earnings Per Share [Abstract]

Reclassification out of Accumulated Other Comprehensive Income

The following table summarizes the items reclassified out of accumulated other comprehensive income into the Consolidated Statements of Income (unaudited) for the three and nine months ended September 30, 2019 and 2018:

		Three months ended September 30,					Nine months ended September 30,
(Dollars in thousands)	Income Statement Location	2019			2018		2019			2018
Reclassification adjustment for losses on available-for-sale securities included in net income	Gains on investment securities, net	$	—		$	—	$	3,905		$	—
Related tax benefit	Income tax expense	—			—		(1,087		)	—
Reclassification adjustment for losses on cash flow hedges included in net income	Net interest income	2,713			—		3,224			—
Related tax benefit	Income tax expense	(755		)	—		(897		)	—
Total reclassification adjustment for losses included in net income, net of tax		$	1,958		$	—	$	5,145		$	—

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)

The table below summarizes the activity relating to net gains and losses on our cash flow hedges included in accumulated other comprehensive income for the three and nine months ended September 30, 2019 and 2018. Over the next 12 months, we expect that approximately $1.9 million in accumulated other comprehensive income ("AOCI") at September 30, 2019, related to our cash flow hedges will be reclassified out of AOCI and recognized in net income.

	Three months ended September 30,				Nine months ended September 30,
(Dollars in thousands)	2019		2018		2019		2018
Balance, beginning of period, net of tax	$	13,828	$	—	$	—	$	—
Net increase in fair value, net of tax	7,077		—		20,536		—
Net realized loss reclassified to net income, net of tax	1,958		—		2,327		—
Balance, end of period, net of tax	$	22,863	$	—	$	22,863	$	—

Reconciliation of Basic EPS to Diluted EPS

The following is a reconciliation of basic EPS to diluted EPS for the three and nine months ended September 30, 2019 and 2018:

	Three months ended September 30,				Nine months ended September 30,
(Dollars and shares in thousands, except per share amounts)	2019		2018		2019		2018
Numerator:
Net income available to common stockholders	$	267,281	$	274,817	$	874,000	$	707,576
Denominator:
Weighted average common shares outstanding—basic	51,545		53,235		52,025		53,062
Weighted average effect of dilutive securities:
Stock options and ESPP	203		383		238		404
Restricted stock units and awards	110		301		168		334
Weighted average common shares outstanding—diluted	51,858		53,919		52,431		53,800
Earnings per common share:
Basic	$	5.19	$	5.16	$	16.80	$	13.33
Diluted	5.15		5.10		16.67		13.15

Schedule of Antidilutive Securities Excluded from Computation of Earnings per Share

The following table summarizes the weighted-average common shares excluded from the diluted EPS calculation due to the antidilutive effect for the three and nine months ended September 30, 2019 and 2018:

	Three months ended September 30,		Nine months ended September 30,
(Shares in thousands)	2019	2018	2019	2018
Stock options	213	86	154	49
Restricted stock units	432	5	294	71
Total	645	91	448	120