Commitments, Contingencies and Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of credit-related commitments

The following table presents the Company’s credit-related commitments as of December 31, 2018 and 2017:

($ in thousands)	December 31,
	2018		2017
Loan commitments	$	5,147,821	$	5,075,480
Commercial letters of credit and SBLCs	$	1,796,647	$	1,655,897

Schedule of guarantees outstanding

The following table presents the types of guarantees the Company had outstanding as of December 31, 2018 and 2017:

($ in thousands)	Maximum Potential Future Payments				Carrying Value
	December 31,				December 31,
	2018		2017		2018		2017
Single-family residential loans sold or securitized with recourse	$	16,700	$	20,240	$	16,700	$	20,240
Multifamily residential loans sold or securitized with recourse	17,058		18,482		69,974		93,477
Total	$	33,758	$	38,722	$	86,674	$	113,717

Schedule of estimated future minimum rental payments under non-cancelable operating leases

Future minimum rental payments under non-cancellable operating leases are estimated as follows:

Years Ending December 31,	Amount ($ in thousands)
2019	$	42,008
2020	36,169
2021	30,735
2022	21,395
2023	14,986
Thereafter	40,357
Total	$	185,650