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Segment Information
 12 Months Ended
Dec. 31, 2021
Segment Reporting [Abstract]  
Segment Information Segment Information 
 
In the first quarter of 2021, the Company realigned its operating segments based on changes in management's focus and its internal reporting structure. The Company now reports two segments: Core Banking and Mortgage Banking. The prior periods have been restated to reflect these two segments. Management periodically updates the allocation methods and assumptions within the current segment structure.

The Core Banking segment includes all lines of business, except Mortgage Banking, including wholesale, retail, and private banking, as well as the operations, technology, and administrative functions of the Bank and Holding Company. The Mortgage Banking segment includes the revenue earned from the production and sale of residential real estate loans, the servicing income from the serviced loan portfolio, the quarterly changes to the MSR, and the specific expenses that are related to mortgage banking activities including variable commission expenses. Revenue and related expenses related to residential real estate loans held for investment are included in the Core Banking segment as portfolio loans are an anchor product for the consumer channels and are originated through a variety of channels throughout the Company.
Summarized financial information concerning the Company's reportable segments and the reconciliation to the consolidated financial results is shown in the following tables for the years ended December 31, 2021, 2020, and 2019: 
Year Ended December 31, 2021
(in thousands)
Core BankingMortgage BankingConsolidated
Net interest income$908,087 $11,560 $919,647 
(Recapture) provision for credit losses(42,651)— (42,651)
Non-interest income
Residential mortgage banking revenue:
Origination and sale— 157,789 157,789 
Servicing— 36,836 36,836 
Change in fair value of MSR asset:
Changes due to collection/realization of expected cash flows over time— (18,903)(18,903)
Changes due to valuation inputs or assumptions— 11,089 11,089 
Gain on sale of debt securities, net8 — 8 
Loss on equity securities, net(1,511)— (1,511)
Gain on swap derivatives, net8,395 — 8,395 
Change in fair value of certain loans held for investment3,032 — 3,032 
Non-interest income (excluding above items)158,725 858 159,583 
Total non-interest income168,649 187,669 356,318 
Non-interest expense
Merger related expenses15,183 — 15,183 
Exit and disposal costs12,763 — 12,763 
Non-interest expense (excluding above items)589,556 142,954 732,510 
Allocated expenses, net (1)
8,174 (8,174)— 
Total non-interest expense625,676 134,780 760,456 
Income before income taxes493,711 64,449 558,160 
Provision for income taxes121,748 16,112 137,860 
Net income $371,963 $48,337 $420,300 
Total assets$30,155,058 $485,878 $30,640,936 
Loans held for sale$— $353,105 $353,105 
Total loans and leases$22,553,180 $— $22,553,180 
Total deposits$26,370,568 $224,117 $26,594,685 
(1) Represents allocations from the Mortgage Banking segment to Core Banking for new portfolio loan originations and portfolio servicing costs, partially offset by internal charges of centrally provided support services and other corporate overhead to the Mortgage Banking segment.
Year Ended December 31, 2020
(in thousands)
Core BankingMortgage BankingConsolidated
Net interest income$866,996 $15,523 $882,519 
Provision for credit losses204,861 — 204,861 
Non-interest income
Residential mortgage banking revenue:
Origination and sale— 308,219 308,219 
Servicing— 35,706 35,706 
Change in fair value of MSR asset:
Changes due to collection/realization of expected cash flows over time— (19,680)(19,680)
Changes due to valuation inputs or assumptions— (53,423)(53,423)
Gain on sale of debt securities, net190 — 190 
Gain on equity securities, net769 — 769 
Loss on swap derivatives, net(9,409)— (9,409)
Non-interest income (excluding above items)148,884 753 149,637 
Total non-interest income140,434 271,575 412,009 
Non-interest expense
Goodwill impairment1,784,936 — 1,784,936 
Exit and disposal costs2,589 — 2,589 
Non-interest expense (excluding above items)609,497 149,065 758,562 
Allocated expenses, net (1)
(11,557)11,557 — 
Total non-interest expense2,385,465 160,622 2,546,087 
(Loss) income before income taxes(1,582,896)126,476 (1,456,420)
Provision for income taxes35,381 31,619 67,000 
Net (loss) income$(1,618,277)$94,857 $(1,523,420)
Total assets$28,438,813 $796,362 $29,235,175 
Loans held for sale $78,146 $688,079 $766,225 
Total loans and leases$21,779,367 $— $21,779,367 
Total deposits$24,200,012 $422,189 $24,622,201 
(1) Represents the internal charge of centrally provided support services and other corporate overhead to the Mortgage Banking segment, partially offset by allocations from the Mortgage Banking segment to Core Banking for new portfolio loan originations and portfolio servicing costs.
Year Ended December 31, 2019
(in thousands)
Core BankingMortgage BankingConsolidated
Net interest income$913,097 $7,537 $920,634 
Provision for credit losses72,515 — 72,515 
Non-interest income
Residential mortgage banking revenue:
Origination and sale— 104,394 104,394 
Servicing— 42,199 42,199 
Change in fair value of MSR asset:
Changes due to collection/realization of expected cash flows over time— (25,408)(25,408)
Changes due to valuation inputs or assumptions— (19,375)(19,375)
Loss on sale of debt securities, net(7,184)— (7,184)
Gain on equity securities, net83,475 — 83,475 
Loss on swap derivatives, net(6,038)— (6,038)
Non-interest income (excluding above items)167,325 436 167,761 
Total non-interest income237,578 102,246 339,824 
Non-interest expense
Exit and disposal costs6,797 — 6,797 
Non-interest expense (excluding above items)606,545 105,698 712,243 
Allocated expenses, net (1)
(10,508)10,508 — 
Total non-interest expense602,834 116,206 719,040 
Income (loss) before income taxes475,326 (6,423)468,903 
Provision (benefit) for income taxes116,414 (1,606)114,808 
Net income (loss)$358,912 $(4,817)$354,095 
Total assets$28,214,661 $632,148 $28,846,809 
Loans held for sale$— $513,431 $513,431 
Total loans and leases$21,195,684 $— $21,195,684 
Total deposits$22,212,584 $268,920 $22,481,504 
(1) Represents the internal charge of centrally provided support services and other corporate overhead to the Mortgage Banking segment, partially offset by allocations from the Mortgage Banking segment to Core Banking for new portfolio loan originations and portfolio servicing costs.