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Bank segment (HEI only) (Tables)

12 Months Ended

Dec. 31, 2017

Bank Segment Disclosure [Abstract]

Schedule of statements of income data

Statements of Income Data

Years ended December 31	2017				2016				2015
(in thousands)
Interest and dividend income
Interest and fees on loans	$	207,255			$	199,774			$	184,782
Interest and dividends on investment securities	28,823				19,184				15,120
Total interest and dividend income	236,078				218,958				199,902
Interest expense
Interest on deposit liabilities	9,660				7,167				5,348
Interest on other borrowings	2,496				5,588				5,978
Total interest expense	12,156				12,755				11,326
Net interest income	223,922				206,203				188,576
Provision for loan losses	10,901				16,763				6,275
Net interest income after provision for loan losses	213,021				189,440				182,301
Noninterest income
Fees from other financial services	22,796				22,384				22,211
Fee income on deposit liabilities	22,204				21,759				22,368
Fee income on other financial products	7,205				8,707				8,094
Bank-owned life insurance	5,539				4,637				4,078
Mortgage banking income	2,201				6,625				6,330
Gains on sale of investment securities, net	—				598				—
Other income, net	1,617				2,256				4,750
Total noninterest income	61,562				66,966				67,831
Noninterest expense
Compensation and employee benefits	95,751				90,117				90,518
Occupancy	16,699				16,321				16,365
Data processing	13,280				13,030				12,103
Services	10,994				11,054				10,204
Equipment	7,232				6,938				6,577
Office supplies, printing and postage	6,182				6,075				5,749
Marketing	3,501				3,489				3,463
FDIC insurance	2,904				3,543				3,274
Other expense	19,324				18,487				18,067
Total noninterest expense	175,867				169,054				166,320
Income before income taxes	98,716				87,352				83,812
Income taxes	31,719				30,073				29,082
Net income	$	66,997			$	57,279			$	54,730

Reconciliation to amounts per HEI Consolidated Statements of Income*:

Years ended December 31	2017				2016				2015
Interest and dividend income	$	236,078			$	218,958			$	199,902
Noninterest income	61,562				66,966				67,831
*Revenues-Bank	297,640				285,924				267,733
Total interest expense	12,156				12,755				11,326
Provision for loan losses	10,901				16,763				6,275
Total noninterest expense	175,867				169,054				166,320
*Expenses-Bank	198,924				198,572				183,921
Income before income taxes/*Operating income-Bank	$	98,716			$	87,352			$	83,812

Schedule of statements of comprehensive income data

Statements of Comprehensive Income Data

Years ended December 31	2017				2016				2015
(in thousands)
Net income	$	66,997			$	57,279			$	54,730
Other comprehensive income (loss), net of taxes:
Net unrealized losses on available-for sale investment securities:
Net unrealized losses on available-for sale investment securities arising during the period, net of tax benefits of $2,886, $3,763 and $1,541 for 2017, 2016 and 2015, respectively	(4,370		)		(5,699		)		(2,334		)
Reclassification adjustment for net realized gains included in net income, net of taxes of nil, $238 and nil for 2017, 2016 and 2015, respectively	—				(360		)		—
Retirement benefit plans:
Net gains arising during the period, net of taxes of nil, nil and $59 for 2017, 2016 and 2015, respectively	—				—				90
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $812, $566 and $1,011 for 2017, 2016 and 2015, respectively	1,231				857				1,531
Other comprehensive loss, net of tax benefits	(3,139		)		(5,202		)		(713		)
Comprehensive income	$	63,858			$	52,077			$	54,017

Schedule of balance sheets data

Balance Sheets Data

December 31				2017						2016
(in thousands)
Assets
Cash and due from banks				$	140,934					$	137,083
Interest-bearing deposits				93,165						52,128
Restricted cash				—						1,764
Investment securities
Available-for-sale, at fair value				1,401,198						1,105,182
Held-to-maturity, at amortized cost (fair value of $44,412 and nil, respectively)				44,515						—
Stock in Federal Home Loan Bank, at cost				9,706						11,218
Loans receivable held for investment				4,670,768						4,738,693
Allowance for loan losses				(53,637		)				(55,533		)
Net loans				4,617,131						4,683,160
Loans held for sale, at lower of cost or fair value				11,250						18,817
Other				398,570						329,815
Goodwill				82,190						82,190
Total assets				$	6,798,659					$	6,421,357
Liabilities and shareholder’s equity
Deposit liabilities–noninterest-bearing				$	1,760,233					$	1,639,051
Deposit liabilities–interest-bearing				4,130,364						3,909,878
Other borrowings				190,859						192,618
Other				110,356						101,635
Total liabilities				6,191,812						5,843,182
Commitments and contingencies
Common stock				1						1
Additional paid in capital				345,018						342,704
Retained earnings				292,957						257,943
Accumulated other comprehensive loss, net of tax benefits
Net unrealized losses on securities	$	(14,951	)				$	(7,931	)
Retirement benefit plans	(16,178		)	(31,129		)	(14,542		)	(22,473		)
Total shareholder’s equity				606,847						578,175
Total liabilities and shareholder’s equity				$	6,798,659					$	6,421,357

December 31		2017				2016
(in thousands)
Other assets
Bank-owned life insurance		$	148,775			$	143,197
Premises and equipment, net		136,270				90,570
Prepaid expenses		3,961				3,348
Accrued interest receivable		18,724				16,824
Mortgage-servicing rights		8,639				9,373
Low-income housing investments		59,016				47,081
Real estate acquired in settlement of loans, net		133				1,189
Other		23,052				18,233
		$	398,570			$	329,815
Other liabilities
Accrued expenses		$	39,312			$	36,754
Federal and state income taxes payable		3,736				4,728
Cashier’s checks		27,000				24,156
Advance payments by borrowers		10,245				10,335
Other		30,063				25,662
		$	110,356			$	101,635

Schedule of the book value and aggregate fair value by major security type

The major components of investment securities were as follows:

																	Gross unrealized losses
					Gross				Gross				Estimated				Less than 12 months										12 months or longer
(dollars in thousands)	Amortized cost				unrealized gains				unrealized losses				fair value				Number of issues		Fair value				Amount				Number of issues		Fair value				Amount
December 31, 2017
Available-for-sale
U.S. Treasury and federal agency obligations	$	185,891			$	438			$	(2,031	)		$	184,298			15		$	83,137			$	(825	)		8		$	62,296			$	(1,206	)
Mortgage-related securities- FNMA, FHLMC and GNMA	1,220,304				793				(19,624		)		1,201,473				67		653,635				(6,839		)		77		459,912				(12,785		)
Mortgage revenue bond	15,427				—				—				15,427				—		—				—				—		—				—
	$	1,421,622			$	1,231			$	(21,655	)		$	1,401,198			82		$	736,772			$	(7,664	)		85		$	522,208			$	(13,991	)
Held-to-maturity
Mortgage-related securities- FNMA, FHLMC and GNMA	$	44,515			$	1			$	(104	)		$	44,412			2		$	35,744			$	(104	)		—		$	—			$	—
	$	44,515			$	1			$	(104	)		$	44,412			2		$	35,744			$	(104	)		—		$	—			$	—
December 31, 2016
Available-for-sale
U.S. Treasury and federal agency obligations	$	193,515			$	920			$	(2,154	)		$	192,281			18		$	123,475			$	(2,010	)		1		$	3,485			$	(144	)
Mortgage-related securities- FNMA, FHLMC and GNMA	909,408				1,742				(13,676		)		897,474				88		709,655				(12,143		)		13		47,485				(1,533		)
Mortgage revenue bond	15,427				—				—				15,427				—		—				—				—		—				—
	$	1,118,350			$	2,662			$	(15,830	)		$	1,105,182			106		$	833,130			$	(14,153	)		14		$	50,970			$	(1,677	)

Schedule of contractual maturities of available-for-sale securities

The contractual maturities of investment securities were as follows:

	Amortized				Fair
December 31, 2017	Cost				value
(in thousands)
Available-for-sale
Due in one year or less	$	5,000			$	4,992
Due after one year through five years	87,404				87,020
Due after five years through ten years	80,161				79,358
Due after ten years	28,753				28,355
	201,318				199,725
Mortgage-related securities-FNMA, FHLMC and GNMA	1,220,304				1,201,473
	$	1,421,622			$	1,401,198
Held-to-maturity
Mortgage-related securities-FNMA, FHLMC and GNMA	$	44,515			$	44,412
	$	44,515			$	44,412

Schedule of proceeds, gains and losses from sales of available for sale investment securities

The proceeds, gross gains and losses from sales of available-for-sale investment securities were as follows:

Years ended December 31	2017				2016				2015
(in millions)
Proceeds	$	—			$	16.4			$	—
Gross gains	—				0.6				—
Gross losses	—				—				—

Schedule of interest income from available for sale investment securities

Interest income from taxable and non-taxable investment securities were as follows:

Years ended December 31	2017				2016				2015
(in thousands)
Taxable	$	28,398			$	19,166			$	15,120
Non-taxable	425				18				—
	$	28,823			$	19,184			$	15,120

Schedule of loans receivable

The components of loans receivable were summarized as follows:

December 31	2017				2016
(in thousands)
Real estate:
Residential 1-4 family	$	2,118,047			$	2,048,051
Commercial real estate	733,106				800,395
Home equity line of credit	913,052				863,163
Residential land	15,797				18,889
Commercial construction	108,273				126,768
Residential construction	14,910				16,080
Total real estate	3,903,185				3,873,346
Commercial	544,828				692,051
Consumer	223,564				178,222
Total loans	4,671,577				4,743,619
Less: Deferred fees and discounts	(809		)		(4,926		)
Allowance for loan losses	(53,637		)		(55,533		)
Total loans, net	$	4,617,131			$	4,683,160

Schedule of allowance for loan losses

The allowance for loan losses (balances and changes) and financing receivables were as follows:

(in thousands)	Residential 1-4 family				Commercial real estate				Home equity line of credit				Residential land				Commercial construction				Residential construction				Commercial				Consumer				Unallo- cated				Total
December 31, 2017
Allowance for loan losses:
Beginning balance	$	2,873			$	16,004			$	5,039			$	1,738			$	6,449			$	12			$	16,618			$	6,800			$	—			$	55,533
Charge-offs	(826		)		—				(14		)		(210		)		—				—				(4,006		)		(11,757		)		—				(16,813		)
Recoveries	157				—				308				482				—				—				1,852				1,217				—				4,016
Provision	698				(208		)		2,189				(1,114		)		(1,778		)		—				(3,613		)		14,727				—				10,901
Ending balance	$	2,902			$	15,796			$	7,522			$	896			$	4,671			$	12			$	10,851			$	10,987			$	—			$	53,637
Ending balance: individually evaluated for impairment	$	1,248			$	65			$	647			$	47			$	—			$	—			$	694			$	29							$	2,730
Ending balance: collectively evaluated for impairment	$	1,654			$	15,731			$	6,875			$	849			$	4,671			$	12			$	10,157			$	10,958			$	—			$	50,907
Financing Receivables:
Ending balance	$	2,118,047			$	733,106			$	913,052			$	15,797			$	108,273			$	14,910			$	544,828			$	223,564							$	4,671,577
Ending balance: individually evaluated for impairment	$	18,284			$	1,016			$	8,188			$	1,265			$	—			$	—			$	4,574			$	66							$	33,393
Ending balance: collectively evaluated for impairment	$	2,099,763			$	732,090			$	904,864			$	14,532			$	108,273			$	14,910			$	540,254			$	223,498							$	4,638,184
December 31, 2016
Allowance for loan losses:
Beginning balance	$	4,186			$	11,342			$	7,260			$	1,671			$	4,461			$	13			$	17,208			$	3,897			$	—			$	50,038
Charge-offs	(639		)		—				(112		)		(138		)		—				—				(5,943		)		(7,413		)		—				(14,245		)
Recoveries	421				—				59				461				—				—				1,093				943				—				2,977
Provision	(1,095		)		4,662				(2,168		)		(256		)		1,988				(1		)		4,260				9,373				—				16,763
Ending balance	$	2,873			$	16,004			$	5,039			$	1,738			$	6,449			$	12			$	16,618			$	6,800			$	—			$	55,533
Ending balance: individually evaluated for impairment	$	1,352			$	80			$	215			$	789			$	—			$	—			$	1,641			$	6							$	4,083
Ending balance: collectively evaluated for impairment	$	1,521			$	15,924			$	4,824			$	949			$	6,449			$	12			$	14,977			$	6,794			$	—			$	51,450
Financing Receivables:
Ending balance	$	2,048,051			$	800,395			$	863,163			$	18,889			$	126,768			$	16,080			$	692,051			$	178,222							$	4,743,619
Ending balance: individually evaluated for impairment	$	19,854			$	1,569			$	6,158			$	3,629			$	—			$	—			$	20,539			$	10							$	51,759
Ending balance: collectively evaluated for impairment	$	2,028,197			$	798,826			$	857,005			$	15,260			$	126,768			$	16,080			$	671,512			$	178,212							$	4,691,860
December 31, 2015
Allowance for loan losses:
Beginning balance	$	4,662			$	8,954			$	6,982			$	1,875			$	5,471			$	28			$	14,017			$	3,629			$	—			$	45,618
Charge-offs	(356		)		—				(205		)		—				—				—				(1,074		)		(4,791		)		—				(6,426		)
Recoveries	226				—				80				507				—				—				2,773				985				—				4,571
Provision	(346		)		2,388				403				(711		)		(1,010		)		(15		)		1,492				4,074				—				6,275
Ending balance	$	4,186			$	11,342			$	7,260			$	1,671			$	4,461			$	13			$	17,208			$	3,897			$	—			$	50,038
Ending balance: individually evaluated for impairment	$	1,453			$	—			$	442			$	891			$	—			$	—			$	3,527			$	7							$	6,320
Ending balance: collectively evaluated for impairment	$	2,733			$	11,342			$	6,818			$	780			$	4,461			$	13			$	13,681			$	3,890			$	—			$	43,718
Financing Receivables:
Ending balance	$	2,069,665			$	690,561			$	846,294			$	18,229			$	100,796			$	14,089			$	758,659			$	123,775							$	4,622,068
Ending balance: individually evaluated for impairment	$	22,457			$	1,188			$	3,225			$	5,683			$	—			$	—			$	21,119			$	13							$	53,685
Ending balance: collectively evaluated for impairment	$	2,047,208			$	689,373			$	843,069			$	12,546			$	100,796			$	14,089			$	737,540			$	123,762							$	4,568,383

Schedule of credit risk profile by internally assigned grade for loans

The credit risk profile by internally assigned grade for loans was as follows:

December 31	2017																2016
(in thousands)	Commercial real estate				Commercial construction				Commercial				Total				Commercial real estate				Commercial construction				Commercial				Total
Grade:
Pass	$	630,877			$	83,757			$	492,942			$	1,207,576			$	701,657			$	102,955			$	614,139			$	1,418,751
Special mention	49,347				22,500				27,997				99,844				65,541				—				25,229				90,770
Substandard	52,882				2,016				23,421				78,319				33,197				23,813				52,683				109,693
Doubtful	—				—				468				468				—				—				—				—
Loss	—				—				—				—				—				—				—				—
Total	$	733,106			$	108,273			$	544,828			$	1,386,207			$	800,395			$	126,768			$	692,051			$	1,619,214

Schedule of credit risk profile based on payment activity for loans

The credit risk profile based on payment activity for loans was as follows:

(in thousands)	30-59 days past due				60-89 days past due				Greater than 90 days				Total past due				Current				Total financing receivables				Recorded investment> 90 days and accruing
December 31, 2017
Real estate:
Residential 1-4 family	$	1,532			$	1,715			$	5,071			$	8,318			$	2,109,729			$	2,118,047			$	—
Commercial real estate	—				—				—				—				733,106				733,106				—
Home equity line of credit	425				114				2,051				2,590				910,462				913,052				—
Residential land	23				—				625				648				15,149				15,797				—
Commercial construction	—				—				—				—				108,273				108,273				—
Residential construction	—				—				—				—				14,910				14,910				—
Commercial	1,825				2,025				730				4,580				540,248				544,828				—
Consumer	3,432				2,159				1,876				7,467				216,097				223,564				—
Total loans	$	7,237			$	6,013			$	10,353			$	23,603			$	4,647,974			$	4,671,577			$	—
December 31, 2016
Real estate:
Residential 1-4 family	$	5,467			$	2,338			$	3,505			$	11,310			$	2,036,741			$	2,048,051			$	—
Commercial real estate	2,416				—				—				2,416				797,979				800,395				—
Home equity line of credit	1,263				381				1,342				2,986				860,177				863,163				—
Residential land	—				—				255				255				18,634				18,889				—
Commercial construction	—				—				—				—				126,768				126,768				—
Residential construction	—				—				—				—				16,080				16,080				—
Commercial	413				510				1,303				2,226				689,825				692,051				—
Consumer	1,945				1,001				963				3,909				174,313				178,222				—
Total loans	$	11,504			$	4,230			$	7,368			$	23,102			$	4,720,517			$	4,743,619			$	—

Schedule of credit risk profile based on nonaccrual loans, accruing loans 90 days or more past due

The credit risk profile based on nonaccrual loans, accruing loans 90 days or more past due, and TDR loans was as follows:

December 31	2017				2016
(in thousands)
Real estate:
Residential 1-4 family	$	12,598			$	11,154
Commercial real estate	—				223
Home equity line of credit	4,466				3,080
Residential land	841				878
Commercial construction	—				—
Residential construction	—				—
Commercial	3,069				6,708
Consumer	2,617				1,282
Total nonaccrual loans	$	23,591			$	23,325
Real estate:
Residential 1-4 family	$	—			$	—
Commercial real estate	—				—
Home equity line of credit	—				—
Residential land	—				—
Commercial construction	—				—
Residential construction	—				—
Commercial	—				—
Consumer	—				—
Total accruing loans 90 days or more past due	$	—			$	—
Real estate:
Residential 1-4 family	$	10,982			$	14,450
Commercial real estate	1,016				1,346
Home equity line of credit	6,584				4,934
Residential land	425				2,751
Commercial construction	—				—
Residential construction	—				—
Commercial	1,741				14,146
Consumer	66				10
Total troubled debt restructured loans not included above	$	20,814			$	37,637

Schedule of the carrying amount and the total unpaid principal balance of impaired loans

The total carrying amount and the total unpaid principal balance of impaired loans were as follows:

December 31	2017												2016
(in thousands)	Recorded investment				Unpaid principal balance				Related allowance				Recorded investment				Unpaid principal balance				Related allowance
With no related allowance recorded
Real estate:
Residential 1-4 family	$	9,097			$	9,644			$	—			$	9,571			$	10,400			$	—
Commercial real estate	—				—				—				223				228				—
Home equity line of credit	1,496				1,789				—				1,500				1,900				—
Residential land	1,143				1,434				—				1,218				1,803				—
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	2,328				3,166				—				6,299				8,869				—
Consumer	8				8				—				—				—				—
	14,072				16,041				—				18,811				23,200				—
With an allowance recorded
Real estate:
Residential 1-4 family	9,187				9,390				1,248				10,283				10,486				1,352
Commercial real estate	1,016				1,016				65				1,346				1,346				80
Home equity line of credit	6,692				6,736				647				4,658				4,712				215
Residential land	122				122				47				2,411				2,411				789
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	2,246				2,252				694				14,240				14,240				1,641
Consumer	58				58				29				10				10				6
	19,321				19,574				2,730				32,948				33,205				4,083
Total
Real estate:
Residential 1-4 family	18,284				19,034				1,248				19,854				20,886				1,352
Commercial real estate	1,016				1,016				65				1,569				1,574				80
Home equity line of credit	8,188				8,525				647				6,158				6,612				215
Residential land	1,265				1,556				47				3,629				4,214				789
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	4,574				5,418				694				20,539				23,109				1,641
Consumer	66				66				29				10				10				6
	$	33,393			$	35,615			$	2,730			$	51,759			$	56,405			$	4,083

ASB's average recorded investment of, and interest income recognized from, impaired loans were as follows:

December 31	2017								2016								2015
(in thousands)	Average recorded investment				Interest income recognized*				Average recorded investment				Interest income recognized*				Average recorded investment				Interest income recognized*
With no related allowance recorded
Real estate:
Residential 1-4 family	$	9,440			$	316			$	10,136			$	324			$	11,215			$	332
Commercial real estate	91				11				1,124				—				370				74
Home equity line of credit	1,976				101				1,105				23				484				4
Residential land	1,094				117				1,518				66				2,397				137
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	2,776				54				8,694				370				5,185				157
Consumer	1				—				2				—				—				—
	15,378				599				22,579				783				19,651				704
With an allowance recorded
Real estate:
Residential 1-4 family	9,818				493				11,589				457				11,578				562
Commercial real estate	1,241				54				1,962				15				1,699				—
Home equity line of credit	5,045				251				3,765				137				1,597				49
Residential land	1,308				97				2,964				206				4,337				318
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	3,691				723				16,106				456				12,507				211
Consumer	57				3				12				—				14				—
	21,160				1,621				36,398				1,271				31,732				1,140
Total
Real estate:
Residential 1-4 family	19,258				809				21,725				781				22,793				894
Commercial real estate	1,332				65				3,086				15				2,069				74
Home equity line of credit	7,021				352				4,870				160				2,081				53
Residential land	2,402				214				4,482				272				6,734				455
Commercial construction	—				—				—				—				—				—
Residential construction	—				—				—				—				—				—
Commercial	6,467				777				24,800				826				17,692				368
Consumer	58				3				14				—				14				—
	$	36,538			$	2,220			$	58,977			$	2,054			$	51,383			$	1,844

* Since loan was classified as impaired.

Schedule of loan modifications

Loan modifications that occurred during 2017, 2016, and 2015 and the impact on the allowance for loan losses were as follows:

(dollars in thousands)	Number of contracts			Outstanding recorded investment								Net increase in ALLL
Years ended				Pre-modification				Post-modification
December 31, 2017
Real estate:
Residential 1-4 family	7			$	742			$	750			$	45
Commercial real estate	—			—				—				—
Home equity line of credit	46			3,016				3,002				557
Residential land	1			92				92				—
Commercial construction	—			—				—				—
Residential construction	—			—				—				—
Commercial	9			889				889				248
Consumer	1			59				59				27
	64			$	4,798			$	4,792			$	877
December 31, 2016
Real estate:
Residential 1-4 family	14			$	3,131			$	3,245			$	337
Commercial real estate	—			—				—				—
Home equity line of credit	36			3,337				3,337				554
Residential land	2			203				204				—
Commercial construction	—			—				—				—
Residential construction	—			—				—				—
Commercial	15			20,266				20,266				865
Consumer	—			—				—				—
	67			$	26,937			$	27,052			$	1,756
December 31, 2015
Real estate:
Residential 1-4 family	19			$	3,594			$	3,668			$	87
Commercial real estate	1			1,500				1,500				—
Home equity line of credit	39			2,441				2,441				370
Residential land	1			218				218				—
Commercial construction	—			—				—				—
Residential construction	—			—				—				—
Commercial	8			2,267				2,267				486
Consumer	—			—				—				—
	68			$	10,020			$	10,094			$	943

Schedule of loans modified in TDRS that experienced a payment default of 90 days or more, and for which payment default occurred within one year of the modification

Loans modified in TDRs that experienced a payment default of 90 days or more in 2017, 2016, and 2015 and for which the payment default occurred within one year of the modification, were as follows:

Years ended December 31	2017							2016							2015
(dollars in thousands)	Number of  contracts			Recorded investment				Number of  contracts			Recorded investment				Number of contracts			Recorded investment
Troubled debt restructurings that subsequently defaulted
Real estate:
Residential 1-4 family	1			$	222			1			$	239			—			$	—
Commercial real estate	—			—				—			—				—			—
Home equity line of credit	—			—				—			—				1			6
Residential land	—			—				—			—				—			—
Commercial construction	—			—				—			—				—			—
Residential construction	—			—				—			—				—			—
Commercial	—			—				1			24				1			1,056
Consumer	—			—				—			—				—			—
	1			$	222			2			$	263			2			$	1,062

Schedule of amortized intangible assets

Changes in the carrying value of mortgage servicing rights were as follows:

(in thousands)	Gross carrying amount1				Accumulated amortization1				Valuation allowance				Net carrying amount
December 31, 2017	$	17,511			$	(8,872	)		$	—			$	8,639
December 31, 2016	$	17,271			$	(7,898	)		$	—			$	9,373

¹ Reflects impact of loans paid in full.

Changes related to mortgage servicing rights were as follows:

(in thousands)	2017				2016				2015
Mortgage servicing rights
Balance, January 1	$	9,373			$	8,884			$	11,749
Amount capitalized	1,239				2,740				3,123
Amortization	(1,973		)		(2,251		)		(2,682		)
Sale of mortgage servicing rights	—				—				(3,302		)
Other-than-temporary impairment	—				—				(4		)
Carrying amount before valuation allowance, December 31	8,639				9,373				8,884
Valuation allowance for mortgage servicing rights
Balance, January 1	—				—				209
Provision (recovery)	—				—				(205		)
Other-than-temporary impairment	—				—				(4		)
Balance, December 31	—				—				—
Net carrying value of mortgage servicing rights	$	8,639			$	9,373			$	8,884

Schedule of key assumptions used in estimating fair value

Key assumptions used in estimating the fair value of ASB’s mortgage servicing rights used in the impairment analysis were as follows:

December 31	2017				2016
(dollars in thousands)
Unpaid principal balance	$	1,195,454			$	1,188,380
Weighted average note rate	3.94		%		3.96		%
Weighted average discount rate	10.0		%		9.4		%
Weighted average prepayment speed	9.0		%		8.5		%

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis:

									Significant unobservable  input value (1)
(dollars in thousands)	Fair value				Valuation technique		Significant unobservable input		Range		Weighted Average
December 31, 2017
Residential loans	$	613			Fair value of collateral		Appraised value less 7% selling cost		71-92%		84%
Commercial loans	2,008				Fair value of collateral		Appraised value		71-76%		75%
Total loans	$	2,621
December 31, 2016
Residential loans	$	2,468			Sales price		Sales price		95-100%		97%
Residential loans	$	287			Fair value of property or collateral		Appraised value less 7% selling cost		42-65%		61%
Home equity lines of credit	12				Fair value of property or collateral		Appraised value less 7% selling cost				N/A (2)
Total loans	$	2,767
Real estate acquired in settlement of loans	$	1,189			Fair value of property or collateral		Appraised value less 7% selling cost		100%		100%

(1) Represent percent of outstanding principal balance.

(2) N/A - Not applicable. There is one loan in each fair value measurement type.

Schedule of sensitivity analysis of fair value of MSR to hypothetical adverse changes

The sensitivity analysis of fair value of MSRs to hypothetical adverse changes of 25 and 50 basis points in certain key assumptions was as follows:

December 31	2017				2016
(in thousands)
Prepayment rate:
25 basis points adverse rate change	$	(869	)		$	(567	)
50 basis points adverse rate change	(1,828		)		(1,154		)
Discount rate:
25 basis points adverse rate change	(111		)		(128		)
50 basis points adverse rate change	(220		)		(254		)

Schedule of deposit liabilities

The summarized components of deposit liabilities were as follows:

December 31	2017							2016
(dollars in thousands)	Weighted-average stated rate			Amount				Weighted-average stated rate			Amount
Savings	0.07	%		$	2,303,450			0.07	%		$	2,208,594
Checking
Interest-bearing	0.03			944,833				0.02			890,633
Noninterest-bearing	—			896,292				—			817,867
Commercial checking	—			863,941				—			821,184
Money market	0.09			114,797				0.12			153,126
Time certificates	1.26			767,284				1.00			657,525
	0.20	%		$	5,890,597			0.15	%		$	5,548,929

Schedule of maturities of term certificates

The approximate scheduled maturities of time certificates outstanding at December 31, 2017 were as follows:

(in thousands)
2018	$	401,650
2019	114,434
2020	123,310
2021	71,729
2022	52,860
Thereafter	3,301
	$	767,284

Schedule of interest expense on deposit liabilities by type

Interest expense on deposit liabilities by type of deposit was as follows:

Years ended December 31	2017				2016				2015
(in thousands)
Time certificates	$	7,687			$	5,390			$	3,747
Savings	1,567				1,402				1,257
Money market	168				202				205
Interest-bearing checking	238				173				139
	$	9,660			$	7,167			$	5,348

Schedule of securities sold under agreements to repurchase

The following tables present information about the securities sold under agreements to repurchase, including the related collateral received from or pledged to counterparties:

(in millions)		Gross amount of recognized liabilities				Gross amount  offset in the  Balance Sheet				Net amount of  liabilities presented in the Balance Sheet
Repurchase agreements
December 31, 2017		$	141			$	—			$	141
December 31, 2016		93				—				93

		Gross amount not offset in the Balance Sheet
(in millions)		Net amount of  liabilities presented in the Balance Sheet				Financial instruments				Cash collateral pledged
December 31, 2017
Commercial account holders		$	141			$	165			$	—
Total		$	141			$	165			$	—
December 31, 2016
Government entities		$	14			$	15			$	—
Commercial account holders		79				101				—
Total		$	93			$	116			$	—

Securities sold under agreements to repurchase were summarized as follows:

December 31	2017											2016
Maturity	Repurchase liability				Weighted-average interest rate			Collateralized by  mortgage-related securities and federal agency obligations at fair value plus  accrued interest				Repurchase liability				Weighted-average interest rate			Collateralized by mortgage-related securities and federal agency obligations at fair value plus accrued interest
(dollars in thousands)
Overnight	$	140,859			0.65	%		$	165,464			$	79,083			0.15	%		$	100,305
1 to 29 days	—				—			—				—				—			—
30 to 90 days	—				—			—				13,535				0.70			15,239
Over 90 days	—				—			—				—				—			—
	$	140,859			0.65	%		$	165,464			$	92,618			0.23	%		$	115,544

Schedule of securities sold under agreements to repurchase, which provided for repurchase of identical securities

Information concerning securities sold under agreements to repurchase, which provided for the repurchase of identical securities, was as follows:

(dollars in millions)	2017				2016				2015
Amount outstanding as of December 31	$	141			$	93			$	229
Average amount outstanding during the year	$	98			$	170			$	219
Maximum amount outstanding as of any month-end	$	141			$	229			$	277
Weighted-average interest rate as of December 31	0.65		%		0.23		%		1.24		%
Weighted-average interest rate during the year	0.26		%		1.43		%		1.29		%
Weighted-average remaining days to maturity as of December 31	1				6				117

Schedule of advances from Federal Home Loan Bank

FHLB advances are fixed rate for a specific term and consist of the following:

December 31, 2017	Weighted-average stated rate			Amount
(dollars in thousands)
Due in
2018	1.95	%		$	50,000
2019	—			—
2020	—			—
2021	—			—
2022	—			—
Thereafter	—			—
	1.95	%		$	50,000

Schedule of actual and minimum required capital amounts and ratios

The tables below set forth actual and minimum required capital amounts and ratios:

	Actual						Minimum required						Required to be well capitalized
(dollars in thousands)	Capital			Ratio			Capital			Ratio			Capital			Ratio
December 31, 2017
Tier 1 leverage	571,810			8.58	%		266,430			4.00	%		333,038			5.00	%
Common equity tier 1	571,810			12.95	%		198,628			4.50	%		286,907			6.50	%
Tier 1 capital	571,810			12.95	%		264,838			6.00	%		353,117			8.00	%
Total capital	626,987			14.20	%		353,117			8.00	%		441,396			10.00	%
December 31, 2016
Tier 1 leverage	542,239			8.59	%		252,515			4.00	%		315,644			5.00	%
Common equity tier 1	542,239			12.17	%		200,455			4.50	%		289,545			6.50	%
Tier 1 capital	542,239			12.17	%		267,273			6.00	%		356,364			8.00	%
Total capital	597,940			13.42	%		356,364			8.00	%		445,455			10.00	%

Schedule of notional amounts and fair value of derivatives

The notional amount and fair value of ASB’s derivative financial instruments were as follows:

December 31	2017								2016
(in thousands)	Notional amount				Fair value				Notional amount				Fair value
Interest rate lock commitments	$	13,669			$	131			$	25,883			$	421
Forward commitments	14,465				(24		)		30,813				(177		)

Schedule of derivative financial instruments, fair values, and balance sheet location

ASB’s derivative financial instruments, their fair values, and balance sheet location were as follows:

Derivative Financial Instruments Not Designated
as Hedging Instruments 1
December 31	2017								2016
(in thousands)	Asset derivatives				Liability derivatives				Asset derivatives				Liability derivatives
Interest rate lock commitments	$	133			$	2			$	445			$	24
Forward commitments	4				28				8				185
	$	137			$	30			$	453			$	209

¹ Asset derivatives are included in other assets and liability derivatives are included in other liabilities in the balance sheets.

Schedule of derivative financial instruments and amount and location of net gains or losses

The following table presents ASB’s derivative financial instruments and the amount and location of the net gains or losses recognized in ASB's statements of income:

Derivative Financial Instruments Not Designated	Location of net gains
as Hedging Instruments	(losses) recognized in		Years ended December 31
(in thousands)	the Statements of Income		2017				2016				2015
Interest rate lock commitments	Mortgage banking income		$	(290	)		$	37			$	(6	)
Forward commitments	Mortgage banking income		153				(148		)		77
			$	(137	)		$	(111	)		$	71

Schedule of off balance sheet arrangements

The following is a summary of outstanding off-balance sheet arrangements:

December 31	2017				2016
(in thousands)
Unfunded commitments to extend credit:
Home equity line of credit	$	1,214,103			$	1,146,339
Commercial and commercial real estate	466,510				577,410
Consumer	68,053				64,762
Residential 1-4 family	18,635				38,271
Commercial and financial standby letters of credit	13,136				16,017
Total	$	1,780,437			$	1,842,799

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