Loans and Leases (Details 10) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	$ 348,181	$ 138,785
Allowance for Loan and Lease Losses, Write-offs	(10,715)	(93,589)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	12,598	6,368
Allowance for Loan and Lease Losses Write-offs, Net	1,883	87,221
Provision for Loan and Lease Losses	(149,500)	(293,000)
Loans and Leases Receivable, Allowance, ending balance	200,564	348,181
Financing Receivable, Individually Evaluated for Impairment	2,594	3,659
Financing Receivable, Collectively Evaluated for Impairment	197,970	344,522
Financing Receivable, Individually Evaluated for Impairment	78,390	133,076
Financing Receivable, Collectively Evaluated for Impairment	22,863,158	18,950,301
Loans held for investment, net	22,941,548	19,083,377
Cumulative Effect of Change in Accounting Principle - CECL
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	(3,617)
Loans and Leases Receivable, Allowance, ending balance		(3,617)
Previously Reported
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	348,181
Loans and Leases Receivable, Allowance, ending balance		348,181
Mortgages [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance		44,575
Allowance for Loan and Lease Losses, Write-offs	(1,128)	(10,686)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	6,767	617
Allowance for Loan and Lease Losses Write-offs, Net	(5,639)	10,069
Provision for Loan and Lease Losses	(45,928)	(98,528)
Loans and Leases Receivable, Allowance, ending balance	98,053
Financing Receivable, Individually Evaluated for Impairment	161	237
Financing Receivable, Collectively Evaluated for Impairment	97,892	138,105
Financing Receivable, Individually Evaluated for Impairment	37,030	50,139
Financing Receivable, Collectively Evaluated for Impairment	11,141,690	7,849,797
Loans held for investment, net	11,178,720	7,899,936
Mortgages [Member] \| Cumulative Effect of Change in Accounting Principle - CECL
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	(5,308)
Loans and Leases Receivable, Allowance, ending balance		(5,308)
Mortgages [Member] \| Previously Reported
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	138,342
Loans and Leases Receivable, Allowance, ending balance		138,342
Real Estate Construction [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance		30,544
Allowance for Loan and Lease Losses, Write-offs	(782)	0
Allowance for Loan and Lease Loss, Recovery of Bad Debts	0	21
Allowance for Loan and Lease Losses Write-offs, Net	782	(21)
Provision for Loan and Lease Losses	(32,495)	(56,383)
Loans and Leases Receivable, Allowance, ending balance	45,079
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	45,079	78,356
Financing Receivable, Individually Evaluated for Impairment	10,043	1,766
Financing Receivable, Collectively Evaluated for Impairment	3,427,084	3,358,515
Loans held for investment, net	3,437,127	3,360,281
Real Estate Construction [Member] \| Cumulative Effect of Change in Accounting Principle - CECL
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	8,592
Loans and Leases Receivable, Allowance, ending balance		8,592
Real Estate Construction [Member] \| Previously Reported
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	78,356
Loans and Leases Receivable, Allowance, ending balance		78,356
Commercial Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance		61,528
Allowance for Loan and Lease Losses, Write-offs	(7,298)	(82,105)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	5,711	5,529
Allowance for Loan and Lease Losses Write-offs, Net	1,587	76,576
Provision for Loan and Lease Losses	(76,098)	(134,591)
Loans and Leases Receivable, Allowance, ending balance	48,718
Financing Receivable, Individually Evaluated for Impairment	2,433	3,422
Financing Receivable, Collectively Evaluated for Impairment	46,285	122,981
Financing Receivable, Individually Evaluated for Impairment	31,317	81,171
Financing Receivable, Collectively Evaluated for Impairment	7,836,734	7,421,734
Loans held for investment, net	7,868,051	7,502,905
Commercial Portfolio Segment [Member] \| Cumulative Effect of Change in Accounting Principle - CECL
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	(6,860)
Loans and Leases Receivable, Allowance, ending balance		(6,860)
Commercial Portfolio Segment [Member] \| Previously Reported
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	126,403
Loans and Leases Receivable, Allowance, ending balance		126,403
Consumer Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance		2,138
Allowance for Loan and Lease Losses, Write-offs	(1,507)	(798)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	120	201
Allowance for Loan and Lease Losses Write-offs, Net	1,387	597
Provision for Loan and Lease Losses	(5,021)	(3,498)
Loans and Leases Receivable, Allowance, ending balance	8,714
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	8,714	5,080
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	457,650	320,255
Loans held for investment, net	457,650	320,255
Consumer Portfolio Segment [Member] \| Cumulative Effect of Change in Accounting Principle - CECL
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	(41)
Loans and Leases Receivable, Allowance, ending balance		(41)
Consumer Portfolio Segment [Member] \| Previously Reported
Allowance for Loan and Lease Losses [Roll Forward]
Loans and Leases Receivable, Allowance, beginning balance	$ 5,080
Loans and Leases Receivable, Allowance, ending balance		$ 5,080

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount, after recoveries, of loans and leases that have been written-off.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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