Loans (Tables)

12 Months Ended

Dec. 31, 2017

Financing Receivable, Recorded Investment [Line Items]

Analysis of Loan Portfolio by Major Types of Loans

The following is an analysis of the loan portfolio by segment (net of unearned income):

	December 31, 2017									December 31, 2016
	Loans, excluding PCI loans			PCI Loans			Total			Loans, excluding PCI loans			PCI Loans			Total
	(in thousands)
Commercial business	$	3,377,324		$	12,628		$	3,389,952		$	2,551,054		$	20,185		$	2,571,239
Real estate:
One-to-four family residential	188,396			12,395			200,791			170,331			17,862			188,193
Commercial and multifamily residential	3,825,739			75,594			3,901,333			2,719,830			89,231			2,809,061
Total real estate	4,014,135			87,989			4,102,124			2,890,161			107,093			2,997,254
Real estate construction:
One-to-four family residential	200,518			177			200,695			121,887			832			122,719
Commercial and multifamily residential	371,931			607			372,538			209,118			1,565			210,683
Total real estate construction	572,449			784			573,233			331,005			2,397			333,402
Consumer	334,190			11,269			345,459			329,261			15,985			345,246
Less: Net unearned income	(52,111		)	—			(52,111		)	(33,718		)	—			(33,718		)
Total loans, net of unearned income	8,245,987			112,670			8,358,657			6,067,763			145,660			6,213,423
Less: Allowance for loan and lease losses	(68,739		)	(6,907		)	(75,646		)	(59,528		)	(10,515		)	(70,043		)
Total loans, net	$	8,177,248		$	105,763		$	8,283,011		$	6,008,235		$	135,145		$	6,143,380
Loans held for sale	$	5,766		$	—		$	5,766		$	5,846		$	—		$	5,846

Analysis of Nonaccrual Loans

The following is an analysis of nonaccrual loans as of December 31, 2017 and 2016:

	December 31, 2017				December 31, 2016
	Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans		Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans
	(in thousands)
Commercial business:
Secured	$	45,410	$	56,865	$	11,524	$	21,503
Unsecured	50		49		31		303
Real estate:
One-to-four family residential	785		1,182		568		1,302
Commercial and multifamily residential:
Commercial land	2,628		2,623		934		922
Income property	4,284		5,410		4,005		4,247
Owner occupied	7,029		7,270		6,248		9,030
Real estate construction:
One-to-four family residential:
Land and acquisition	25		26		14		102
Residential construction	1,829		1,828		549		549
Consumer	4,149		4,633		3,883		4,331
Total	$	66,189	$	79,886	$	27,756	$	42,289

Loans, Excluding Purchased Credit Impaired Loans [Member]

Financing Receivable, Recorded Investment [Line Items]

Analysis of the Aged Loan Portfolio

The following is an aging of the recorded investment of the loan portfolio as of December 31, 2017 and 2016:

	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2017	(in thousands)
Commercial business:
Secured	$	3,185,321	$	2,530	$	2,400	$	—	$	4,930	$	45,410	$	3,235,661
Unsecured	123,524		100		501		—		601		50		124,175
Real estate:
One-to-four family residential	184,256		1,111		402		—		1,513		785		186,554
Commercial and multifamily residential:
Commercial land	292,680		92		—		581		673		2,628		295,981
Income property	1,898,655		2,426		971		—		3,397		4,284		1,906,336
Owner occupied	1,590,004		2,485		468		—		2,953		7,029		1,599,986
Real estate construction:
One-to-four family residential:
Land and acquisition	9,882		—		—		—		—		25		9,907
Residential construction	187,862		—		—		—		—		1,829		189,691
Commercial and multifamily residential:
Income property	293,028		—		—		—		—		—		293,028
Owner occupied	72,443		—		—		—		—		—		72,443
Consumer	325,928		1,446		702		—		2,148		4,149		332,225
Total	$	8,163,583	$	10,190	$	5,444	$	581	$	16,215	$	66,189	$	8,245,987
	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2016	(in thousands)
Commercial business:
Secured	$	2,439,250	$	806	$	10	$	—	$	816	$	11,524	$	2,451,590
Unsecured	94,118		287		301		—		588		31		94,737
Real estate:
One-to-four family residential	164,416		2,448		500		—		2,948		568		167,932
Commercial and multifamily residential:
Commercial land	269,816		64		—		—		64		934		270,814
Income property	1,365,150		480		111		—		591		4,005		1,369,746
Owner occupied	1,052,078		1,652		—		—		1,652		6,248		1,059,978
Real estate construction:
One-to-four family residential:
Land and acquisition	11,542		—		—		—		—		14		11,556
Residential construction	109,080		—		—		—		—		549		109,629
Commercial and multifamily residential:
Income property	103,779		—		—		—		—		—		103,779
Owner occupied	103,480		—		—		—		—		—		103,480
Consumer	318,369		2,035		235		—		2,270		3,883		324,522
Total	$	6,031,078	$	7,772	$	1,157	$	—	$	8,929	$	27,756	$	6,067,763

Impaired Financing Receivables

The following is an analysis of the impaired loans (see Note 1) as of December 31, 2017 and 2016:

	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
December 31, 2017	(in thousands)
Commercial business:
Secured	$	3,195,649	$	40,012	$	3,808	$	3,937	$	1,867	$	36,204	$	42,314
Unsecured	124,150		25		25		24		3		—		—
Real estate:
One-to-four family residential	185,659		895		867		1,408		103		28		337
Commercial and multifamily residential:
Commercial land	293,694		2,287		—		—		—		2,287		2,282
Income property	1,901,313		5,023		2,768		3,328		185		2,255		2,601
Owner occupied	1,591,298		8,688		77		80		3		8,611		10,077
Real estate construction:
One-to-four family residential:
Land and acquisition	9,907		—		—		—		—		—		—
Residential construction	188,481		1,210		—		—		—		1,210		1,210
Commercial and multifamily residential:
Income property	293,028		—		—		—		—		—		—
Owner occupied	68,393		4,050		—		—		—		4,050		4,050
Consumer	325,210		7,015		5,303		5,568		199		1,712		1,864
Total	$	8,176,782	$	69,205	$	12,848	$	14,345	$	2,360	$	56,357	$	64,735

	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
December 31, 2016	(in thousands)
Commercial business:
Secured	$	2,442,772	$	8,818	$	2,414	$	2,484	$	664	$	6,404	$	12,831
Unsecured	94,737		—		—		—		—		—		—
Real estate:
One-to-four family residential	167,403		529		435		693		12		94		291
Commercial and multifamily residential:
Commercial land	270,106		708		—		—		—		708		687
Income property	1,365,321		4,425		540		544		27		3,885		4,148
Owner occupied	1,054,564		5,414		—		—		—		5,414		8,102
Real estate construction:
One-to-four family residential
Land and acquisition	11,542		14		14		102		1		—		—
Residential construction	109,293		336		—		—		—		336		336
Commercial and multifamily residential:
Income property	103,779		—		—		—		—		—		—
Owner occupied	103,480		—		—		—		—		—		—
Consumer	319,307		5,215		4,464		4,558		57		751		833
Total	$	6,042,304	$	25,459	$	7,867	$	8,381	$	761	$	17,592	$	27,228

The following table provides additional information on impaired loans for the years ended December 31, 2017, 2016 and 2015:

	Year Ended December 31, 2017				Year Ended December 31, 2016				Year Ended December 31, 2015
	Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans		Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans		Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans
	(in thousands)
Commercial business
Secured	$	20,282	$	60	$	9,368	$	79	$	7,987	$	84
Unsecured	5		—		—		—		—		—
Real estate:
One-to-four family residential	730		49		743		10		2,848		47
Commercial & multifamily residential
Commercial land	2,079		—		425		—		94		—
Income property	4,314		51		2,492		26		2,913		36
Owner occupied	5,335		445		5,084		—		7,052		26
Real estate construction:
One-to-four family residential
Land and acquisition	3		—		199		—		641		5
Residential construction	309		—		472		—		648		—
Commercial & multifamily residential
Owner occupied	1,620		203		—		—		—		—
Consumer	5,973		163		2,710		122		189		4
Total	$	40,650	$	971	$	21,493	$	237	$	22,372	$	202

Analysis of loans classified as Troubled Debt Restructurings (“TDR”)

The following is an analysis of loans classified as troubled debt restructurings (“TDR”) for the years ended December 31, 2017, 2016 and 2015:

	Year Ended December 31, 2017					Year Ended December 31, 2016					Year Ended December 31, 2015
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
	(dollars in thousands)
Commercial business:
Secured	10	$	5,655	$	5,655	9	$	2,131	$	2,131	5	$	3,724	$	3,706
Unsecured	1	26		26		—	—		—		—	—		—
Real estate:
One-to-four family residential	3	583		583		3	203		203		1	30		30
Commercial and multifamily residential:
Commercial land	1	687		687		—	—		—		—	—		—
Income property	1	1,152		1,152		—	—		—		—	—		—
Owner occupied	1	78		78		1	250		250		—	—		—
Commercial and multifamily residential:
Owner occupied	1	4,050		4,050		—	—		—		—	—		—
Consumer	42	5,891		5,891		41	5,095		5,093		1	54		54
Total	60	$	18,122	$	18,122	54	$	7,679	$	7,677	7	$	3,808	$	3,790

Purchased Credit Impaired Loans [Member]

Financing Receivable, Recorded Investment [Line Items]

Analysis of Loan Portfolio by Major Types of Loans

The following is an analysis of our PCI loans, net of related allowance for losses and remaining valuation discounts as of December 31, 2017 and 2016:

	December 31, 2017		December 31, 2016
	(in thousands)
Commercial business	$	13,753	$	21,606
Real estate:
One-to-four family residential	14,610		20,643
Commercial and multifamily residential	79,211		94,795
Total real estate	93,821		115,438
Real estate construction:
One-to-four family residential	177		832
Commercial and multifamily residential	595		1,726
Total real estate construction	772		2,558
Consumer	12,412		17,649
Subtotal of purchased credit impaired loans	120,758		157,251
Less:
Valuation discount resulting from acquisition accounting	8,088		11,591
Allowance for loan losses	6,907		10,515
PCI loans, net of valuation discounts and allowance for loan losses	$	105,763	$	135,145

Changes in Accretable Yield for Acquired Loans [Table Text Block]

The following table shows the changes in accretable yield for acquired loans for the years ended December 31, 2017, 2016, and 2015:

	Years Ended December 31,
	2017			2016			2015
	(in thousands)
Balance at beginning of period	$	45,191		$	58,981		$	73,849
Accretion	(12,357		)	(16,266		)	(21,919		)
Disposals	(158		)	(148		)	(1,681		)
Reclassifications from (to) nonaccretable difference	(1,500		)	2,624			8,732
Balance at end of period	$	31,176		$	45,191		$	58,981