Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2018

Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities [Abstract]

Schedule of investments in qualified affordable housing partnerships, net, and related unfunded commitments

The following table presents the Company’s investments in qualified affordable housing partnerships, net, and related unfunded commitments as of December 31, 2018 and 2017:

($ in thousands)	December 31,
	2018		2017
Investments in qualified affordable housing partnerships, net	$	184,873	$	162,824
Accrued expenses and other liabilities — Unfunded commitments	$	80,764	$	55,815

Schedule of other information related to investments in qualified affordable housing partnership, net

The following table presents additional information related to the Company’s investments in qualified affordable housing partnerships, net, for the years ended December 31, 2018, 2017 and 2016:

($ in thousands)	Year Ended December 31,
	2018		2017		2016
Tax credits and other tax benefits recognized	$	39,262	$	46,698	$	37,252
Amortization expense included in income tax expense	$	28,046	$	38,464	$	28,206

Schedule of tax credit and other investment, net, and related unfunded commitments

The following table presents the Company’s investments in tax credit and other investments, net, and related unfunded commitments as of December 31, 2018 and 2017:

($ in thousands)	December 31,
	2018		2017
Investments in tax credit and other investments, net	$	231,635	$	224,551
Accrued expenses and other liabilities — Unfunded commitments	$	80,228	$	113,372

Schedule of additional information related to tax credits and other investments, net

The following table presents additional information related to the Company’s investments in tax credit and other investments, net, for the years ended December 31, 2018, 2017 and 2016:

($ in thousands)	Year Ended December 31,
	2018		2017		2016
Amortization expense included in noninterest expense	$	89,628	$	87,950	$	83,446

Schedule of unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments, net estimated to be paid

As of December 31, 2018, the Company’s unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments are estimated to be funded as follows:

Years Ending December 31,	Amount ($ in thousands)
2019	$	108,602
2020	30,400
2021	8,615
2022	6,224
2023	5,401
Thereafter	1,750
Total	$	160,992