Loans Receivable, Net - Credit Quality Indicators for Commercial Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 15,246,812	$ 13,432,031
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	2,584,831	2,679,564
One Year Prior	2,457,790	1,512,845
Two Years Prior	1,274,852	952,039
Three Years Prior	744,634	808,275
Four Years Prior	658,268	665,733
Prior	1,851,965	1,677,875
Revolving loans	224,707	334,500
Total	9,797,047	8,630,831
Commercial Real Estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	2,578,558	2,677,540
One Year Prior	2,454,696	1,499,895
Two Years Prior	1,269,254	919,091
Three Years Prior	709,246	788,292
Four Years Prior	634,316	624,018
Prior	1,787,941	1,621,819
Revolving loans	224,629	332,696
Total	9,658,640	8,463,351
Commercial Real Estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	0	0
One Year Prior	0	0
Two Years Prior	0	0
Three Years Prior	0	0
Four Years Prior	0	0
Prior	1,416	0
Revolving loans	0	0
Total	1,416	0
Commercial Real Estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	6,273	2,024
One Year Prior	3,094	12,950
Two Years Prior	5,598	32,948
Three Years Prior	35,388	19,983
Four Years Prior	23,952	41,715
Prior	62,576	56,030
Revolving loans	78	1,803
Total	136,959	167,453
Commercial Real Estate | Doubtful/ Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	0	0
One Year Prior	0	0
Two Years Prior	0	0
Three Years Prior	0	0
Four Years Prior	0	0
Prior	32	26
Revolving loans	0	1
Total	32	27
Other Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	603,393	751,151
One Year Prior	573,273	429,500
Two Years Prior	308,555	235,591
Three Years Prior	191,498	188,009
Four Years Prior	140,122	209,287
Prior	404,319	312,852
Revolving loans	578,508	537,800
Total	2,799,668	2,664,190
Other Commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	599,498	746,709
One Year Prior	569,542	420,547
Two Years Prior	304,179	226,614
Three Years Prior	185,748	179,679
Four Years Prior	135,727	207,509
Prior	398,523	297,926
Revolving loans	567,770	507,258
Total	2,760,987	2,586,242
Other Commercial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	371	0
One Year Prior	0	0
Two Years Prior	0	0
Three Years Prior	0	0
Four Years Prior	0	0
Prior	114	0
Revolving loans	0	0
Total	485	0
Other Commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	3,469	4,442
One Year Prior	2,707	8,952
Two Years Prior	4,373	8,974
Three Years Prior	5,748	8,329
Four Years Prior	4,394	1,775
Prior	5,322	14,275
Revolving loans	10,604	30,526
Total	36,617	77,273
Other Commercial | Doubtful/ Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Current Year	55	0
One Year Prior	1,024	1
Two Years Prior	3	3
Three Years Prior	2	1
Four Years Prior	1	3
Prior	360	651
Revolving loans	134	16
Total	$ 1,579	$ 675