Loans Receivable and Allowance for Loan Losses - Composition of Loans Receivable Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 207,023	$ 199,875
Current	10,173,335	10,911,852
Total	10,380,358	11,111,727
Net unamortized premiums and deferred loan origination costs	36,829	41,354
Loans receivable	10,417,187	11,153,081
Allowance for loan losses	(86,100)	(98,000)	$ (111,600)	$ (139,000)
Loans receivable, net	10,331,087	11,055,081
Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	93,458	105,861
Current	10,138,664	10,867,982
Total	10,232,122	10,973,843
Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	113,565	94,014
Current	34,671	43,870
Total	148,236	137,884
Consumer and other loans (gross)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	7,003	9,968
Current	232,111	242,725
Total	239,114	252,693
Allowance for loan losses	(5,461)	(6,288)	(8,825)	(8,824)
Consumer and other loans (gross) | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,478	2,860
Current	232,111	242,725
Total	234,589	245,585
Consumer and other loans (gross) | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,525	7,108
Current	0	0
Total	4,525	7,108
Consumer and other loans (gross) | Home equity and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	6,314	9,265
Current	133,024	151,554
Total	139,338	160,819
Consumer and other loans (gross) | Home equity and other consumer | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,831	2,860
Current	133,024	151,554
Total	134,855	154,414
Consumer and other loans (gross) | Home equity and other consumer | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,483	6,405
Current	0	0
Total	4,483	6,405
Consumer and other loans (gross) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	689	703
Current	99,087	91,171
Total	99,776	91,874
Consumer and other loans (gross) | Commercial and industrial | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	647	0
Current	99,087	91,171
Total	99,734	91,171
Consumer and other loans (gross) | Commercial and industrial | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	42	703
Current	0	0
Total	42	703
Total mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	200,020	189,907
Current	9,941,224	10,669,127
Total	10,141,244	10,859,034
Total mortgage loans | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	90,980	103,001
Current	9,906,553	10,625,257
Total	9,997,533	10,728,258
Total mortgage loans | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	109,040	86,906
Current	34,671	43,870
Total	143,711	130,776
Total mortgage loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	192,322	179,639
Current	5,173,041	5,835,776
Total	5,365,363	6,015,415
Allowance for loan losses	(36,439)	(44,951)	(46,283)	(80,337)
Total mortgage loans | Residential | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	85,784	97,335
Current	5,145,585	5,798,076
Total	5,231,369	5,895,411
Total mortgage loans | Residential | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	106,538	82,304
Current	27,456	37,700
Total	133,994	120,004
Total mortgage loans | Residential | Full documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	16,622	24,968
Current	214,364	407,320
Total	230,986	432,288
Total mortgage loans | Residential | Full documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,580	12,427
Current	212,316	401,486
Total	216,896	413,913
Total mortgage loans | Residential | Full documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	12,042	12,541
Current	2,048	5,834
Total	14,090	18,375
Total mortgage loans | Residential | Full documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	90,232	87,546
Current	4,312,373	4,610,420
Total	4,402,605	4,697,966
Total mortgage loans | Residential | Full documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	44,780	50,829
Current	4,300,620	4,602,940
Total	4,345,400	4,653,769
Total mortgage loans | Residential | Full documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	45,452	36,717
Current	11,753	7,480
Total	57,205	44,197
Total mortgage loans | Residential | Reduced documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	15,377	25,696
Current	84,184	277,535
Total	99,561	303,231
Total mortgage loans | Residential | Reduced documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,753	9,575
Current	80,416	266,084
Total	84,169	275,659
Total mortgage loans | Residential | Reduced documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	11,624	16,121
Current	3,768	11,451
Total	15,392	27,572
Total mortgage loans | Residential | Reduced documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	70,091	41,429
Current	562,120	540,501
Total	632,211	581,930
Total mortgage loans | Residential | Reduced documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	32,671	24,504
Current	552,233	527,566
Total	584,904	552,070
Total mortgage loans | Residential | Reduced documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	37,420	16,925
Current	9,887	12,935
Total	47,307	29,860
Total mortgage loans | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,138	7,520
Current	4,042,484	4,016,585
Total	4,046,622	4,024,105
Allowance for loan losses	(34,901)	(35,544)	(39,250)	(36,703)
Total mortgage loans | Multi-family | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,855	3,731
Current	4,040,386	4,013,541
Total	4,042,241	4,017,272
Total mortgage loans | Multi-family | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,283	3,789
Current	2,098	3,044
Total	4,381	6,833
Total mortgage loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,560	2,748
Current	725,699	816,766
Total	729,259	819,514
Allowance for loan losses	(9,299)	(11,217)	$ (17,242)	$ (13,136)
Total mortgage loans | Commercial real estate | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,341	1,935
Current	720,582	813,640
Total	723,923	815,575
Total mortgage loans | Commercial real estate | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	219	813
Current	5,117	3,126
Total	5,336	3,939
30 to 59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	77,476	90,073
30 to 59 Days | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	72,846	81,851
30 to 59 Days | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,630	8,222
30 to 59 Days | Consumer and other loans (gross)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,281	2,358
30 to 59 Days | Consumer and other loans (gross) | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,281	2,358
30 to 59 Days | Consumer and other loans (gross) | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
30 to 59 Days | Consumer and other loans (gross) | Home equity and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,281	2,358
30 to 59 Days | Consumer and other loans (gross) | Home equity and other consumer | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,281	2,358
30 to 59 Days | Consumer and other loans (gross) | Home equity and other consumer | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
30 to 59 Days | Consumer and other loans (gross) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
30 to 59 Days | Consumer and other loans (gross) | Commercial and industrial | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
30 to 59 Days | Consumer and other loans (gross) | Commercial and industrial | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
30 to 59 Days | Total mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	76,195	87,715
30 to 59 Days | Total mortgage loans | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	71,565	79,493
30 to 59 Days | Total mortgage loans | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,630	8,222
30 to 59 Days | Total mortgage loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	72,445	84,841
30 to 59 Days | Total mortgage loans | Residential | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	68,462	77,585
30 to 59 Days | Total mortgage loans | Residential | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,983	7,256
30 to 59 Days | Total mortgage loans | Residential | Full documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,913	11,227
30 to 59 Days | Total mortgage loans | Residential | Full documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,476	10,045
30 to 59 Days | Total mortgage loans | Residential | Full documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	437	1,182
30 to 59 Days | Total mortgage loans | Residential | Full documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	39,032	43,730
30 to 59 Days | Total mortgage loans | Residential | Full documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	36,563	40,151
30 to 59 Days | Total mortgage loans | Residential | Full documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,469	3,579
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,974	7,511
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,974	7,254
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	257
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	28,526	22,373
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	27,449	20,135
30 to 59 Days | Total mortgage loans | Residential | Reduced documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,077	2,238
30 to 59 Days | Total mortgage loans | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,488	2,387
30 to 59 Days | Total mortgage loans | Multi-family | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,060	1,662
30 to 59 Days | Total mortgage loans | Multi-family | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	428	725
30 to 59 Days | Total mortgage loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,262	487
30 to 59 Days | Total mortgage loans | Commercial real estate | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,043	246
30 to 59 Days | Total mortgage loans | Commercial real estate | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	219	241
60 to 89 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	22,215	25,848
60 to 89 Days | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	20,612	23,678
60 to 89 Days | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,603	2,170
60 to 89 Days | Consumer and other loans (gross)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,197	502
60 to 89 Days | Consumer and other loans (gross) | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,197	502
60 to 89 Days | Consumer and other loans (gross) | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
60 to 89 Days | Consumer and other loans (gross) | Home equity and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	550	502
60 to 89 Days | Consumer and other loans (gross) | Home equity and other consumer | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	550	502
60 to 89 Days | Consumer and other loans (gross) | Home equity and other consumer | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
60 to 89 Days | Consumer and other loans (gross) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	647	0
60 to 89 Days | Consumer and other loans (gross) | Commercial and industrial | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	647	0
60 to 89 Days | Consumer and other loans (gross) | Commercial and industrial | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
60 to 89 Days | Total mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	21,018	25,346
60 to 89 Days | Total mortgage loans | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	19,415	23,176
60 to 89 Days | Total mortgage loans | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,603	2,170
60 to 89 Days | Total mortgage loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	18,314	20,965
60 to 89 Days | Total mortgage loans | Residential | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	17,322	19,418
60 to 89 Days | Total mortgage loans | Residential | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	992	1,547
60 to 89 Days | Total mortgage loans | Residential | Full documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,104	2,382
60 to 89 Days | Total mortgage loans | Residential | Full documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,104	2,382
60 to 89 Days | Total mortgage loans | Residential | Full documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
60 to 89 Days | Total mortgage loans | Residential | Full documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	8,217	10,949
60 to 89 Days | Total mortgage loans | Residential | Full documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	8,217	10,346
60 to 89 Days | Total mortgage loans | Residential | Full documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	603
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	779	2,900
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	779	2,321
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	579
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	6,214	4,734
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	5,222	4,369
60 to 89 Days | Total mortgage loans | Residential | Reduced documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	992	365
60 to 89 Days | Total mortgage loans | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,406	2,692
60 to 89 Days | Total mortgage loans | Multi-family | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	795	2,069
60 to 89 Days | Total mortgage loans | Multi-family | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	611	623
60 to 89 Days | Total mortgage loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,298	1,689
60 to 89 Days | Total mortgage loans | Commercial real estate | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,298	1,689
60 to 89 Days | Total mortgage loans | Commercial real estate | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	107,332	83,954
90 Days or More | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	332
90 Days or More | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	107,332	83,622
90 Days or More | Consumer and other loans (gross)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,525	7,108
90 Days or More | Consumer and other loans (gross) | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Consumer and other loans (gross) | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,525	7,108
90 Days or More | Consumer and other loans (gross) | Home equity and other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,483	6,405
90 Days or More | Consumer and other loans (gross) | Home equity and other consumer | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Consumer and other loans (gross) | Home equity and other consumer | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,483	6,405
90 Days or More | Consumer and other loans (gross) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	42	703
90 Days or More | Consumer and other loans (gross) | Commercial and industrial | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	102,807	76,846
90 Days or More | Total mortgage loans | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	332
90 Days or More | Total mortgage loans | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	102,807	76,514
90 Days or More | Total mortgage loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	101,563	73,833
90 Days or More | Total mortgage loans | Residential | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	332
90 Days or More | Total mortgage loans | Residential | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	101,563	73,501
90 Days or More | Total mortgage loans | Residential | Full documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	11,605	11,359
90 Days or More | Total mortgage loans | Residential | Full documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans | Residential | Full documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	11,605	11,359
90 Days or More | Total mortgage loans | Residential | Full documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	42,983	32,867
90 Days or More | Total mortgage loans | Residential | Full documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	332
90 Days or More | Total mortgage loans | Residential | Full documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	42,983	32,535
90 Days or More | Total mortgage loans | Residential | Reduced documentation interest-only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	11,624	15,285
90 Days or More | Total mortgage loans | Residential | Reduced documentation interest-only | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans | Residential | Reduced documentation interest-only | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	11,624	15,285
90 Days or More | Total mortgage loans | Residential | Reduced documentation amortizing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	35,351	14,322
90 Days or More | Total mortgage loans | Residential | Reduced documentation amortizing | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans | Residential | Reduced documentation amortizing | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	35,351	14,322
90 Days or More | Total mortgage loans | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,244	2,441
90 Days or More | Total mortgage loans | Multi-family | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans | Multi-family | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,244	2,441
90 Days or More | Total mortgage loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	572
90 Days or More | Total mortgage loans | Commercial real estate | Total accruing loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	0
90 Days or More | Total mortgage loans | Commercial real estate | Total non-accrual loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 0	$ 572