Allowance for Losses on Loans (Tables)

12 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Summary of activity in allowance for loan losses

The following tables summarize the activity in the allowance for loan losses.

Twelve Months Ended September 30, 2017	Beginning Allowance		Charge-offs			Recoveries		Provision & Transfers			Ending Allowance
	(In thousands)
Single-family residential	$	37,796	$	(1,229	)	$	653	$	(328	)	$	36,892
Construction	19,838		—			—		4,718			24,556
Construction - custom	1,080		(16		)	—		880			1,944
Land - acquisition & development	6,023		(280		)	11,038		(9,952		)	6,829
Land - consumer lot loans	2,535		(17		)	481		(350		)	2,649
Multi-family	6,925		—			—		937			7,862
Commercial real estate	8,588		(11		)	1,684		1,557			11,818
Commercial & industrial	28,008		(173		)	1,833		(1,144		)	28,524
HELOC	813		(90		)	21		111			855
Consumer	1,888		(884		)	1,297		(1,157		)	1,144
	$	113,494	$	(2,700	)	$	17,007	$	(4,728	)	$	123,073

Twelve Months Ended September 30, 2016	Beginning Allowance		Charge-offs			Recoveries		Provision & Transfers			Ending Allowance
	(In thousands)
Single-family residential	$	47,347	$	(3,106	)	$	3,251	$	(9,696	)	$	37,796
Construction	6,680		—			745		12,413			19,838
Construction - custom	990		(60		)	60		90			1,080
Land - acquisition & development	5,781		(42		)	8,220		(7,936		)	6,023
Land - consumer lot loans	2,946		(732		)	5		316			2,535
Multi-family	5,304		—			—		1,621			6,925
Commercial real estate	8,960		(103		)	1,812		(2,081		)	8,588
Commercial & industrial	24,980		(941		)	2,933		1,036			28,008
HELOC	902		(54		)	21		(56		)	813
Consumer	2,939		(962		)	2,018		(2,107		)	1,888
	$	106,829	$	(6,000	)	$	19,065	$	(6,400	)	$	113,494

Summary of loans collectively and individually evaluated for impairment and related allocation of reserves

The following tables show a summary of loans collectively and individually evaluated for impairment and the related allocation of general and specific reserves.

September 30, 2017	Loans Collectively Evaluated for Impairment						Loans Individually Evaluated for Impairment
	General  Reserve Allocation		Recorded Investment of Loans		Ratio		Specific  Reserve Allocation		Recorded Investment of Loans		Ratio
	(In thousands)						(In thousands)
Single-family residential	$	36,893	$	5,713,576	0.7	%	$	—	$	5,552	—	%
Construction	24,556		793,958		3.1		—		—		—
Construction - custom	1,944		277,495		0.7		—		105		—
Land - acquisition & development	6,828		104,767		6.5		1		89		1.0
Land - consumer lot loans	2,649		96,337		2.8		—		171		—
Multi-family	7,857		1,302,625		0.6		5		493		1.0
Commercial real estate	11,697		1,391,668		0.8		120		21,765		0.6
Commercial & industrial	28,524		1,093,210		2.6		—		81		—
HELOC	855		141,689		0.6		—		215		—
Consumer	1,144		84,887		1.4		—		82		—
	$	122,947	$	11,000,212	1.1	%	$	126	$	28,553	0.4	%

September 30, 2016	Loans Collectively Evaluated for Impairment						Loans Individually Evaluated for Impairment
	General  Reserve Allocation		Recorded Investment of Loans		Ratio		Specific  Reserve Allocation		Recorded Investment of Loans		Ratio
	(In thousands)						(In thousands)
Single-family residential	$	37,536	$	5,585,912	0.7	%	$	260	$	19,629	1.3	%
Construction	19,838		498,450		4.0		—		—		—
Construction - custom	1,080		229,298		0.5		—		330		—
Land - acquisition & development	6,022		90,850		6.6		2		850		0.2
Land - consumer lot loans	2,535		92,828		2.7		—		558		—
Multi-family	6,911		1,091,974		0.6		13		1,505		0.9
Commercial real estate	8,497		957,380		0.9		91		11,157		0.8
Commercial & industrial	28,008		966,930		2.9		—		—		—
HELOC	813		133,203		0.6		—		239		—
Consumer	1,888		137,315		1.4		—		3		—
	$	113,128	$	9,784,140	1.2	%	$	366	$	34,271	1.1	%

Summary of loans based on credit quality indicators

The following tables provide information on loans based on credit quality indicators (defined above).

September 30, 2017	Internally Assigned Grade															Total
	Pass			Special mention			Substandard			Doubtful			Loss			Gross Loans
	(In thousands)
Loan type
Single-family residential	$	5,671,229		$	—		$	39,775		$	—		$	—		$	5,711,004
Construction	1,594,926			—			3,070			—			—			1,597,996
Construction - custom	602,540			—			91			—			—			602,631
Land - acquisition & development	123,028			207			1,073			—			—			124,308
Land - consumer lot loans	103,787			—			618			—			—			104,405
Multi-family	1,295,261			5,795			2,092			—			—			1,303,148
Commercial real estate	1,391,996			5,944			36,670			—			—			1,434,610
Commercial & industrial	1,054,972			14,814			23,574			—			—			1,093,360
HELOC	144,229			—			621			—			—			144,850
Consumer	84,984			—			91			—			—			85,075
Total gross loans	$	12,066,952		$	26,760		$	107,675		$	—		$	—		$	12,201,387
Total grade as a % of total gross loans	98.9		%	0.2		%	0.9		%	—		%	—		%

September 30, 2016	Internally Assigned Grade															Total
	Pass			Special mention			Substandard			Doubtful			Loss			Gross Loans
	(In thousands)
Loan type
Single-family residential	$	5,607,521		$	—		$	51,309		$	—		$	—		$	5,658,830
Construction	1,098,549			8,595			3,267			—			—			1,110,411
Construction - custom	473,069			—			—			—			—			473,069
Land - acquisition & development	111,225			—			7,272			—			—			118,497
Land - consumer lot loans	103,528			—			1,039			—			—			104,567
Multi-family	1,117,437			3,237			3,616			—			—			1,124,290
Commercial real estate	1,033,880			13,446			46,313			—			—			1,093,639
Commercial & industrial	930,776			7,207			40,606			—			—			978,589
HELOC	149,195			—			521			—			—			149,716
Consumer	138,917			—			83			—			—			139,000
Total gross loans	$	10,764,097		$	32,485		$	154,026		$	—		$	—		$	10,950,608
Total grade as a % of total gross loans	98.3		%	0.3		%	1.4		%	—		%	—		%

Schedule of credit risk profile by payment activity

The following tables provide information on loans based on payment activity.

September 30, 2017	Performing Loans				Non-Performing Loans
	Amount		% of Total Gross  Loans		Amount		% of Total Gross  Loans
	(In thousands)				(In thousands)
Single-family residential	$	5,683,074	99.5	%	$	27,930	0.5	%
Construction	1,597,996		100.0		—		—
Construction - custom	602,540		99.9		91		0.1
Land - acquisition & development	124,012		99.8		296		0.2
Land - consumer lot loans	103,800		99.4		605		0.6
Multi-family	1,303,009		99.9		139		0.1
Commercial real estate	1,422,795		99.2		11,815		0.8
Commercial & industrial	1,085,278		99.3		8,082		0.7
HELOC	144,319		99.6		531		0.4
Consumer	84,984		99.9		91		0.1
	$	12,151,807	99.6	%	$	49,580	0.4	%

September 30, 2016	Performing Loans				Non-Performing Loans
	Amount		% of Total Gross  Loans		Amount		% of Total Gross  Loans
	(In thousands)				(In thousands)
Single-family residential	$	5,625,682	99.4	%	$	33,148	0.6	%
Construction	1,110,411		100.0		—		—
Construction - custom	473,069		100.0		—		—
Land - acquisition & development	118,439		99.9		58		0.1
Land - consumer lot loans	104,057		99.5		510		0.5
Multi-family	1,123,583		99.9		776		0.1
Commercial real estate	1,086,470		99.3		7,100		0.7
Commercial & industrial	978,006		99.9		583		0.1
HELOC	149,477		99.8		239		0.2
Consumer	139,000		100.0		—		—
	$	10,908,194	99.6	%	$	42,414	0.4	%

Summary of impaired loans based on type

The following tables provide information on impaired loans by loan category.

September 30, 2017	Recorded Investment		Unpaid Principal Balance		Related Allowance			Average Recorded Investment
	(In thousands)
Impaired loans with no related allowance recorded:
Single-family residential	$	21,325	$	23,880	$	—		$	19,371
Construction	—		—		—			—
Construction - custom	148		165		—			231
Land - acquisition & development	330		8,208		—			176
Land - consumer lot loans	208		330		—			431
Multi-family	139		3,231		—			748
Commercial real estate	12,890		22,487		—			11,466
Commercial & industrial	8,279		14,321		—			7,425
HELOC	490		1,212		—			487
Consumer	88		1,433		—			57
	43,897		75,267		—			40,392
Impaired loans with an allowance recorded:
Single-family residential	181,941		186,167		4,030			204,723
Construction	—		—		—			—
Construction - custom	—		—		—			—
Land - acquisition & development	90		90		1			576
Land - consumer lot loans	7,949		8,526		—			8,976
Multi-family	493		493		5			1,024
Commercial real estate	15,079		16,707		120			16,991
Commercial & industrial	—		—		—			297
HELOC	1,728		1,806		—			1,451
Consumer	97		284		—			100
	207,377		214,073		4,156		(1)	234,138
Total:
Single-family residential	203,266		210,047		4,030			224,094
Construction	—		—		—			—
Construction - custom	148		165		—			231
Land - acquisition & development	420		8,298		1			752
Land - consumer lot loans	8,157		8,856		—			9,407
Multi-family	632		3,724		5			1,772
Commercial real estate	27,969		39,194		120			28,457
Commercial & industrial	8,279		14,321		—			7,722
HELOC	2,218		3,018		—			1,938
Consumer	185		1,717		—			157
	$	251,274	$	289,340	$	4,156	(1)	$	274,530

____________________ 

(1) Includes $126,000 of specific reserves and $4,030,000 included in the general reserves.

September 30, 2016	Recorded Investment		Unpaid Principal Balance		Related Allowance			Average Recorded Investment (2)
	(In thousands)
Impaired loans with no related allowance recorded:
Single-family residential	$	9,627	$	11,366	$	—		$	12,618
Construction	—		—		—			91
Construction - custom	—		—		—			603
Land - acquisition & development	138		9,001		—			720
Land - consumer lot loans	499		609		—			587
Multi-family	394		3,972		—			1,279
Commercial real estate	11,741		21,301		—			7,994
Commercial & industrial	1,030		3,082		—			1,205
HELOC	209		315		—			392
Consumer	74		550		—			236
	23,712		50,196		—			25,725
Impaired loans with an allowance recorded:
Single-family residential	228,186		232,595		3,809			238,187
Construction	—		—		—			998
Construction - custom	—		—		—			—
Land - acquisition & development	1,154		2,094		1			1,765
Land - consumer lot loans	9,630		10,678		1			10,330
Multi-family	1,505		1,505		13			2,159
Commercial real estate	19,434		22,848		91			20,998
Commercial & industrial	—		—		—			—
HELOC	1,506		1,521		—			1,423
Consumer	116		306		—			100
	261,531		271,547		3,915		(1)	275,960
Total:
Single-family residential	237,813		243,961		3,809			250,805
Construction	—		—		—			1,089
Construction - custom	—		—		—			603
Land - acquisition & development	1,292		11,095		1			2,485
Land - consumer lot loans	10,129		11,287		1			10,917
Multi-family	1,899		5,477		13			3,438
Commercial real estate	31,175		44,149		91			28,992
Commercial & industrial	1,030		3,082		—			1,205
HELOC	1,715		1,836		—			1,815
Consumer	190		856		—			336
	$	285,243	$	321,743	$	3,915	(1)	$	301,685

____________________ 

(1) Includes $366,000 of specific reserves and $3,549,000 included in the general reserves.

(2) The average recorded investment changed from $265,771,000, as previously disclosed, to $301,685,000 in order to correct for an immaterial error in the previous year's disclosure.