FCB Financial 10-Q 9 Nov 15 2015 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Nov. 02, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	Q3
Trading Symbol	FCB
Entity Registrant Name	FCB FINANCIAL HOLDINGS, INC.
Entity Central Index Key	1,476,651
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Class A Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		36,901,374
Class B Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		4,075,960

Consolidated Balance Sheets (Un

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Assets:
Cash and due from banks		$ 38,045	$ 25,397
Interest-earning deposits in other banks		46,714	81,688
Investment securities:
Available for sale securities, at fair value		1,467,819	1,359,098
Federal Home Loan Bank and other bank stock, at cost		65,955	66,891
Total investment securities		1,533,774	1,425,989
Loans held for sale		2,573	707
Loans:
New loans	[1]	4,158,997	3,103,417
Acquired loans ($0 and $273,366 covered by FDIC loss share, respectively)		647,139	826,173
Allowance for loan losses		(27,394)	(22,880)
Loans, net		4,778,742	3,906,710
FDIC loss share indemnification asset		0	63,168
Due from FDIC			1,735
Premises and equipment, net		37,351	38,962
Other real estate owned ($0 and $25,130 of foreclosed property covered by FDIC loss share, respectively)		40,405	74,527
Goodwill and other intangible assets		87,484	88,615
Deferred tax assets, net (including valuation allowance of $9,126 and $9,151, respectively)		78,090	47,441
Bank-owned life insurance		166,931	139,829
Other assets		78,580	62,860
Total assets		6,888,689	5,957,628
Transaction accounts:
Noninterest-bearing		618,741	593,025
Interest-bearing		2,678,410	2,308,657
Total transaction accounts		3,297,151	2,901,682
Time deposits		1,524,693	1,076,853
Total deposits		4,821,844	3,978,535
Borrowings (including FHLB advances of $986,050 and $983,686, respectively)		1,149,920	1,067,981
Other liabilities		61,047	59,459
Total liabilities		$ 6,032,811	$ 5,105,975
Commitments and contingencies (Note 12)
Stockholders' Equity:
Additional paid-in capital		$ 846,017	$ 834,538
Retained earnings		58,786	35,144
Accumulated other comprehensive income (loss)		(2,905)	679
Treasury stock, at cost; 1,766,215, 927,312 Class A and 192,132, 192,132 Class B common shares		(46,063)	(18,751)
Total stockholders' equity		855,878	851,653
Total liabilities and stockholders' equity		6,888,689	5,957,628
Class A Common Stock [Member]
Stockholders' Equity:
Common stock		39	36
Total stockholders' equity		39	36
Class B Common Stock [Member]
Stockholders' Equity:
Common stock		4	7
Total stockholders' equity		$ 4	$ 7
[1]	Balance includes $4.3 million and $3.6 million of deferred fees, costs, and premium and discount as of September 30, 2015 and December 31, 2014, respectively.

Consolidated Balance Sheets (U3

Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Acquired loans covered by FDIC loss share	$ 0	$ 273,366
Foreclosed property covered by FDIC loss share	0	25,130
Valuation allowance	9,126	9,151
FHLB advances	$ 986,050	$ 983,686
Class A Common Stock [Member]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	38,661,335	35,396,962
Common stock, shares outstanding	36,895,120	34,469,650
Treasury stock, shares	1,766,215	927,312
Class B Common Stock [Member]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	4,281,212	7,132,180
Common stock, shares outstanding	4,089,080	6,940,048
Treasury stock, shares	192,132	192,132

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest income:
Interest and fees on loans	$ 51,670	$ 42,085	$ 139,178	$ 114,770
Interest and dividends on investment securities	13,315	11,530	38,594	32,094
Other interest income	38	37	111	158
Total interest income	65,023	53,652	177,883	147,022
Interest expense:
Interest on deposits	6,846	6,124	18,422	17,266
Interest on borrowings	1,408	1,633	3,634	4,363
Total interest expense	8,254	7,757	22,056	21,629
Net interest income	56,769	45,895	155,827	125,393
Provision for loan losses	675	2,805	4,494	7,131
Net interest income after provision for loan losses	56,094	43,090	151,333	118,262
Noninterest income:
Service charges and fees	823	738	2,358	2,183
Loan and other fees	1,783	1,238	6,186	4,523
Bank-owned life insurance income	1,101	1,151	3,295	3,007
FDIC loss share indemnification loss		(5,862)	(65,529)	(16,101)
Income from resolution of acquired assets	2,225	1,109	8,495	3,838
Gain (loss) on sales of other real estate owned	228	(128)	7,398	(56)
Gain (loss) on investment securities	166	2,785	1,934	9,728
Other noninterest income	746	1,319	2,998	4,466
Total noninterest income	7,072	2,350	(32,865)	11,588
Noninterest expense:
Salaries and employee benefits	16,840	28,525	51,271	58,356
Occupancy and equipment expenses	3,368	3,606	10,451	10,816
Loan and other real estate related expenses	1,939	3,203	5,440	10,302
Professional services	1,166	1,203	3,761	4,387
Data processing and network	2,433	2,538	7,952	8,105
Regulatory assessments and insurance	1,919	2,466	6,130	6,160
Amortization of intangibles	400	426	1,231	1,285
Other operating expenses	2,641	6,992	7,167	14,758
Total noninterest expense	30,706	48,959	93,403	114,169
Income (loss) before income tax expense (benefit)	32,460	(3,519)	25,065	15,681
Income tax expense (benefit)	11,320	(97)	1,423	6,409
Net income (loss)	$ 21,140	$ (3,422)	$ 23,642	$ 9,272
Earnings (loss) per share:
Basic	$ 0.51	$ (0.09)	$ 0.57	$ 0.25
Diluted	$ 0.48	$ (0.09)	$ 0.55	$ 0.25
Weighted average shares outstanding:
Basic	41,381,482	38,952,127	41,410,494	36,923,354
Diluted	43,798,378	38,952,127	43,112,947	37,094,590

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement Of Comprehensive Income [Abstract]
Net income (loss)	$ 21,140	$ (3,422)	$ 23,642	$ 9,272
Other comprehensive income (loss):
Unrealized net holding gains (losses) on investment securities available for sale, net of taxes of $1,784, $5,001, $1,283 and $(2,605), respectively	(2,841)	(7,961)	(2,042)	4,148
Reclassification adjustment for realized (gains) losses on investment securities available for sale included in net income, net of taxes of $90, $818, $969, and $2,298, respectively	(142)	(1,303)	(1,542)	(3,660)
Total other comprehensive income (loss)	(2,983)	(9,264)	(3,584)	488
Total comprehensive income (loss)	$ 18,157	$ (12,686)	$ 20,058	$ 9,760

Consolidated Statements of Com6

Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement Of Comprehensive Income [Abstract]
Unrealized net holding gains (losses) on investment securities available for sale, Taxes	$ 1,784	$ 5,001	$ 1,283	$ (2,605)
Reclassification adjustment for realized (gains) losses on investment securities available for sale included in net income, Taxes	$ 90	$ 818	$ 969	$ 2,298

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Additional Paid in Capital [Member]	Retained Earnings (Deficit) [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Class A Common Stock [Member]	Class B Common Stock [Member]
Beginning Balance at Dec. 31, 2013	$ 716,114	$ 723,631	$ 12,772	$ (18,751)	$ (1,575)	$ 29	$ 8
Beginning Balance, shares at Dec. 31, 2013						28,065,002	7,827,152
Net income (loss)	9,272		9,272
Shares issued in offering, net	104,475	104,469				$ 6
Shares issued in offering, net, shares						5,274,045
Settlement of RSU shares	(5,688)	(5,688)
Settlement of RSU shares, shares						243,499
Deferred placement fee	(10,000)	(10,000)
Exchange of B shares to A shares						$ 1	$ (1)
Exchange of B shares to A shares, shares						885,367	(885,367)
Stock-based compensation, RSU and warrant expense	20,571	20,571
Other	495	495
Other comprehensive income (loss)	488				488
Ending Balance at Sep. 30, 2014	835,727	833,478	22,044	(18,751)	(1,087)	$ 36	$ 7
Ending Balance, shares at Sep. 30, 2014						34,467,913	6,941,785
Beginning Balance at Dec. 31, 2014	851,653	834,538	35,144	(18,751)	679	$ 36	$ 7
Beginning Balance, shares at Dec. 31, 2014						34,469,650	6,940,048
Net income (loss)	23,642		23,642
Exchange of B shares to A shares						$ 3	$ (3)
Exchange of B shares to A shares, shares						2,850,968	(2,850,968)
Stock-based compensation, RSU and warrant expense	4,588	4,588
Treasury stock purchase	(27,312)			(27,312)
Treasury stock purchase, shares						(838,903)
Exercise of stock options	6,935	6,935
Exercise of stock options, shares						413,405
Other	44	44
Other comprehensive income (loss)	(3,584)				(3,584)
Ending Balance at Sep. 30, 2015	$ 855,878	$ 846,017	$ 58,786	$ (46,063)	$ (2,905)	$ 39	$ 4
Ending Balance, shares at Sep. 30, 2015						36,895,120	4,089,080

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ 23,642	$ 9,272
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Provision for loan losses	4,494	7,131
Amortization of intangible assets	1,231	1,285
Depreciation and amortization of premises and equipment	2,866	2,917
Amortization of discount on loans	(2,272)	(2,899)
Net amortization (accretion) of premium (discount) on investment securities	1,515	1,777
Net amortization (accretion) of premium (discount) on time deposits	(306)	(1,358)
Net amortization (accretion) on FHLB advances and other borrowings	(1,950)	(870)
Impairment of other real estate owned	296	1,690
FDIC loss share indemnification loss	65,529	16,101
(Gain) loss on investment securities	(1,934)	(9,728)
(Gain) loss on sale of loans		(611)
(Gain) loss on sale of other real estate owned	(7,398)	56
(Gain) loss on sale of premises and equipment	112	21
Deferred tax expense	(29,882)
Stock-based compensation and warrant expense	4,156	20,571
Increase in cash surrender value of BOLI	(3,295)	(3,007)
Net change in operating assets and liabilities:
Net change in loans held for sale	(1,866)	(50)
Collection from FDIC on loss share indemnification asset		6,566
Settlement of FDIC loss share agreement	(14,815)
Net change in other assets	(1,909)	(22,438)
Net change in other liabilities	1,977	16,463
Net cash provided by (used in) operating activities	40,191	42,889
Cash Flows From Investing Activities:
Purchase of investment securities available for sale	(584,979)	(1,166,550)
Sales of investment securities available for sale	351,620	696,919
Paydown and maturities of investment securities held to maturity		372
Paydown and maturities of investment securities available for sale	121,028	118,593
Purchase of FHLB and other bank stock	(51,881)	(59,175)
Sales of FHLB and other bank stock	52,817	24,144
Net cash paid in acquisition		(14,073)
Net change in loans	(664,119)	(557,435)
Purchase of loans	(241,727)	(234,473)
Proceeds from sale of loans	12,770	23,329
Purchase of bank-owned life insurance	(25,000)	(60,000)
Proceeds from sale of other real estate owned	60,046	27,225
Purchase of premises and equipment	(1,367)	(1,603)
Proceeds from the sale of premises and equipment		22
Proceeds from life insurance	1,193
Net cash provided by (used in) investing activities	(969,599)	(1,202,705)
Cash Flows From Financing Activities:
Net change in deposits	843,615	335,209
Net change in FHLB advances and other borrowings	2,364	637,811
Net change in repurchase agreements	81,525	(1,073)
Repurchase of stock	(27,312)
Proceeds from capital raise, net		104,475
Deferred placement fee		(10,000)
Settlement of RSU shares		(5,688)
Exercise of stock options	6,935
Other financing costs	(45)	495
Net cash provided by (used in) financing activities	907,082	1,061,229
Net Change in Cash and Cash Equivalents	(22,326)	(98,587)
Cash and Cash Equivalents at Beginning of Period	107,085	239,217
Cash and Cash Equivalents at End of Period	84,759	140,630
Supplemental Disclosures of Cash Flow Information:
Interest paid	21,906	21,030
Income taxes paid	36,304	9,932
Supplemental disclosure of noncash investing and financing activities:
Transfer of loans to other real estate owned	18,822	17,716
Fair value of assets acquired		957,324
Goodwill recorded		47,355
Liabilities assumed		962,194
Securities purchased not settled	9,166	18,151
Securities sold not settled	$ 6,135	$ 35,318

Summary of Significant Accounti

Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES General The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (“SEC”). Accordingly, they do not include all information and notes to the consolidated financial statements necessary for a complete presentation of financial position, results of operations, comprehensive income and cash flows in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) and should be read in conjunction with the audited consolidated financial statements and the notes thereto for FCB Financial Holdings, Inc. (the “Company”) previously filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. The results of operations for the interim periods are not necessarily indicative of the results that may be expected for the full year or any other interim period. Nature of Operations FCB Financial Holdings, Inc., formerly known as Bond Street Holdings, Inc., is a national bank holding company with one wholly-owned national bank subsidiary, Florida Community Bank, N.A. (“Florida Community Bank” or the “Bank”), headquartered in Weston, Florida, offering a comprehensive range of traditional banking products and services to individual and corporate customers through 49 banking centers located in Florida at September 30, 2015. Principles of Consolidation The consolidated financial statements include the accounts of the Company, its wholly-owned subsidiary, the Bank, and the Bank’s subsidiaries, which consist of a group of real estate holding companies. Intercompany transactions and balances have been eliminated in consolidation. Use of Estimates The Company’s financial reporting and accounting policies conform to U.S. GAAP. The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates subject to significant change include the allowance for loan losses, valuation of and accounting for loans covered by loss sharing arrangements with the Federal Deposit Insurance Corporation (“FDIC”) and the related loss share receivable, valuation of and accounting for acquired loans, the carrying value of OREO, the fair value of financial instruments, the valuation of goodwill and other intangible assets, contingent consideration liabilities, acquisition-related fair value computations, stock-based compensation and deferred taxes. Reclassifications In certain instances, amounts reported in prior periods consolidated financial statements have been reclassified to conform to the current period presentation. Such reclassifications had no effect on previously reported net income or total stockholders’ equity. For the 2014 Consolidated Statements of Cash Flows, the Company reclassified $11.9 million to operating activities from investing activities related to the settlement of investment securities and $22.8 million to operating activities from investing activities related to accretion income on acquired loans. In addition, the Company reclassified cash collections of $6.6 million from the FDIC on loss share indemnification assets from investing activities to operating activities. Management does not believe these adjustments are material to the consolidated financial statements. Recently Adopted Accounting Pronouncements In July 2013, the FASB issued ASU No. 2013-11, “Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists” to provide guidance on the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists thereby reducing diversity in practice. The amendments in this update became effective for the first quarter ended March 31, 2015. The adoption of this ASU did not have a material impact on the Company’s consolidated financial statements. Recently Issued Accounting Pronouncements Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards affecting public companies. In other words, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We have elected to use the extended transition period provided in Section 7(a)(2)(B) of the Securities Act until the earlier of the date we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in Section 7(a)(2)(B). In February 2015, the FASB issued ASU No. 2015-02, “Amendments to the Consolidated Analysis (ASC 810, Consolidation)” which amends the consolidation requirements of ASC 810 by reducing the number of consolidation models. The guidance places more emphasis on risk of loss when determining a controlling financial interest; reduces the frequency of the application of related-party guidance when determining a controlling financial interest and changes the consolidation requirements of limited partnerships. For public entities, this guidance is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. For all other entities, including emerging growth companies, the amendments in this Update are effective for fiscal years beginning after December 15, 2016, and for interim periods within fiscal years beginning after December 15, 2017. A reporting entity may apply the amendments in this ASU using a modified retrospective approach by recording a cumulative-effect adjustment to equity as of the beginning of the fiscal year of adoption or may apply the amendments retrospectively. The Company is currently evaluating this guidance to determine the impact on its consolidated financial position, results of operations and cash flows but does not expect the adoption of this ASU to have a material impact on our consolidated financial statements. In January 2015, the FASB issued ASU No. 2015-01, “Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items (ASC 225-20, Extraordinary and Unusual Items)” which eliminates the concept of extraordinary items. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015 for all entities. Under the ASU, extraordinary items will no longer be segregated from the results of ordinary operations and presented separately on the consolidated financial statements. The amendments may be applied prospectively or retrospectively to all prior periods. Early adoption is permitted provided that the guidance is applied from the beginning of the fiscal year of adoption. The Company does not expect the adoption of this ASU to have a material impact on its consolidated financial statements. In September 2015, the FASB issued ASU No. 2015-16, “Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments” which requires an acquirer to recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The amendments in this ASU require that the acquirer record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date. For public entities, this guidance is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. For all other entities, including emerging growth companies, the amendments in this ASU are effective for fiscal years beginning after December 15, 2016, and for interim periods within fiscal years beginning after December 15, 2017. The amendments in this ASU should be applied prospectively to adjustments to provisional amounts that occur after the effective date of this ASU with earlier application permitted for financial statements that have not yet been made available for issuance. The Company does not expect the adoption of this ASU to have a material impact on its consolidated financial statements.

Investment Securities

Investment Securities	9 Months Ended
	Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Investment Securities	NOTE 2. INVESTMENT SECURITIES The amortized cost, gross unrealized gains and losses and approximate fair values of securities available for sale are as follows: Amortized Unrealized Fair September 30, 2015 Cost Gains Losses Value (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ 5,098 $ 130 $ — $ 5,228 U.S. Government agencies and sponsored enterprises mortgage-backed securities 360,892 6,646 278 367,260 State and municipal obligations 2,040 195 — 2,235 Asset-backed securities 502,855 995 4,756 499,094 Corporate bonds and other debt securities 430,503 2,184 6,219 426,468 Preferred stock and other equity securities 171,161 253 3,880 167,534 Total available for sale $ 1,472,549 $ 10,403 $ 15,133 $ 1,467,819 Amortized Unrealized Fair December 31, 2014 Cost Gains Losses Value (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ 6,078 $ 18 $ — $ 6,096 U.S. Government agencies and sponsored enterprises mortgage-backed securities 497,384 5,172 904 501,652 State and municipal obligations 2,039 238 — 2,277 Asset-backed securities 482,969 1,424 6,192 478,201 Corporate bonds and other debt securities 256,155 3,024 496 258,683 Preferred stock and other equity securities 113,367 261 1,439 112,189 Total available for sale $ 1,357,992 $ 10,137 $ 9,031 $ 1,359,098 As part of the Company’s liquidity management strategy, the Company pledges loans and securities to secure borrowings from the FHLB. The Company also pledges securities to collateralize public deposits, repurchase agreements and interest rate swaps. The carrying value of all pledged securities totaled $639.9 million and $685.3 million at September 30, 2015 and December 31, 2014, respectively. The amortized cost and estimated fair value of securities available for sale, by contractual maturity, are as follows: Amortized Fair September 30, 2015 Cost Value (Dollars in thousands) Available for sale: Due in one year or less $ 5,000 $ 5,087 Due after one year through five years 83,209 82,394 Due after five years through ten years 77,505 76,346 Due after ten years 266,829 264,876 U.S. Government agencies and sponsored enterprises obligations, mortgage-backed securities and asset-backed securities 868,845 871,582 Preferred stock and other equity securities 171,161 167,534 Total available for sale $ 1,472,549 $ 1,467,819 For purposes of the maturity table, U.S Government agencies and sponsored enterprises obligations, agency mortgage-backed securities and asset-backed securities, the principal of which are repaid periodically, are presented as a single amount. The expected lives of these securities will differ from contractual maturities because borrowers may have the right to prepay the underlying loans with or without prepayment penalties. The following tables present the estimated fair values and gross unrealized losses on investment securities available for sale, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position as of the periods presented: Less than 12 Months 12 Months or More Total September 30, 2015 Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ — $ — $ — $ — $ — $ — U.S. Government agencies and sponsored enterprises mortgage-backed securities 19,128 168 13,476 110 32,604 278 State and municipal obligations — — — — — — Asset-backed securities 269,746 2,776 79,459 1,980 349,205 4,756 Corporate bonds and other debt securities 308,728 6,219 — — 308,728 6,219 Preferred stock and other equity securities 135,801 3,322 19,450 558 155,251 3,880 Total available for sale $ 733,403 $ 12,485 $ 112,385 $ 2,648 $ 845,788 $ 15,133 Less than 12 Months 12 Months or More Total December 31, 2014 Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ — $ — $ — $ — $ — $ — U.S. Government agencies and sponsored enterprises mortgage-backed securities 71,539 330 43,090 574 114,629 904 State and municipal obligations — — — — — — Asset-backed securities 337,123 5,143 31,898 1,049 369,021 6,192 Corporate bonds and other debt securities 78,487 496 — — 78,487 496 Preferred stock and other equity securities 53,064 737 10,606 702 63,670 1,439 Total available for sale $ 540,213 $ 6,706 $ 85,594 $ 2,325 $ 625,807 $ 9,031 At September 30, 2015, the Company’s security portfolio consisted of 299 securities, of which 153 securities were in an unrealized loss position. A total of 128 were in an unrealized loss position for less than 12 months. The unrealized losses for these securities resulted primarily from changes in interest rates. All securities available for sale at September 30, 2015 and December 31, 2014 were investment grade based on ratings from recognized rating agencies. The Company monitors its investment securities for other-than-temporary impairment (“OTTI”). Impairment is evaluated on an individual security basis considering numerous factors, with the relative significance varying by situation. The Company has evaluated the nature of unrealized losses in the investment securities portfolio to determine if OTTI exists. The unrealized losses relate to changes in market interest rates and specific market conditions that do not represent credit-related impairments. Furthermore, the Company does not intend to sell nor is it more likely than not that it will be required to sell these investments before the recovery of their amortized cost basis. Management has completed an assessment of each security in an unrealized loss position for credit impairment, including securities with existing characteristics that are covered under the Volcker Rule, and has determined that no individual security was other-than-temporarily impaired at September 30, 2015. The following describes the basis under which the Company has evaluated OTTI: U.S. Government Agencies and Sponsored Enterprises Obligations and Agency Mortgage-Backed Securities (“MBS”): The unrealized losses associated with U.S. Government agencies and sponsored enterprises obligations and agency MBS are primarily driven by changes in interest rates. These securities have either an explicit or implicit U.S. government guarantee. Asset-Backed Securities and Corporate Bonds & Other Debt Securities: Securities were generally underwritten in accordance with the Company’s investment standards prior to the decision to purchase, without relying on a bond issuer’s guarantee in making the investment decision. These investments are investment grade and will continue to be monitored as part of the Company’s ongoing impairment analysis, but are expected to perform in accordance with their terms. Preferred Stock and Other Equity Securities: The unrealized losses associated with preferred stock and other equity securities in large U.S. financial institutions are primarily driven by changes in interest rates. These securities were generally underwritten in accordance with the Company’s investment standards prior to the decision to purchase. These investments are investment grade and will continue to be monitored as part of the Company’s ongoing impairment analysis, but are expected to perform in accordance with their terms. Gross realized gains and losses on the sale of securities available for sale are shown below. The cost of securities sold is based on the specific identification method. Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Gross realized gains $ 104 $ 3,057 $ 2,065 $ 10,954 Gross realized losses (106 ) (272 ) (1,019 ) (1,284 ) Net realized gains (losses) $ (2 ) $ 2,785 $ 1,046 $ 9,670

Loans, Net

Loans, Net	9 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Loans, Net	NOTE 3. LOANS, NET The Company’s loan portfolio consists of new and acquired loans. The Company classifies originated loans and purchased loans not acquired through business combinations as New loans. The Company classifies loans acquired through business combinations as acquired loans. The acquired loan portfolio is further classified as “Covered Loans”, loans subject to loss sharing with the FDIC, and “Non-Covered Loans”, acquired loans without loss share reimbursement. Additionally, the New loan portfolio is classified as “Non-Covered Loans”. A portion of the acquired loan portfolio, both Covered and Non-Covered Loans, exhibited evidence of deterioration in credit quality since origination, and are accounted for under ASC 310-30. The remaining portfolio of acquired loans consists of loans that were not considered ASC 310-30 loans at acquisition and are classified as Non-ASC 310-30 loans. On March 4, 2015, the Bank entered into an agreement with the FDIC to terminate all loss sharing agreements which were entered into in 2010 and 2011 in conjunction with the Bank’s acquisition of substantially all of the assets (“covered assets”) and assumption of substantially all of the liabilities of six failed banks in FDIC-assisted acquisitions. Under the early termination, all rights and obligations of the Bank and the FDIC under the loss share agreements, including the clawback provisions, have been eliminated. The following tables summarize the Company’s loans by portfolio and segment as of the periods presented, net of deferred fees, costs, premiums and discounts: Covered Loans Non-Covered Loans September 30, 2015 ASC 310-30 Loans Non-ASC 310-30 Loans ASC 310-30 Loans Non-ASC 310-30 Loans New Loans (1) Total (Dollars in thousands) Real estate loans: Commercial real estate $ — $ — $ 259,411 $ 60,804 $ 991,451 $ 1,311,666 Owner-occupied commercial real estate — — — 19,699 452,991 472,690 1-4 single family residential — — 69,915 86,832 1,326,180 1,482,927 Construction, land and development — — 32,996 6,319 430,690 470,005 Home equity loans and lines of credit — — — 50,566 28,185 78,751 Total real estate loans $ — $ — $ 362,322 $ 224,220 $ 3,229,497 $ 3,816,039 Other loans: Commercial and industrial $ — $ — $ 46,233 $ 11,504 $ 925,285 $ 983,022 Consumer — — 2,434 426 4,215 7,075 Total other loans — — 48,667 11,930 929,500 990,097 Total loans held in portfolio $ — $ — $ 410,989 $ 236,150 $ 4,158,997 $ 4,806,136 Allowance for loan losses (27,394 ) Loans held in portfolio, net $ 4,778,742 Covered Loans Non-Covered Loans December 31, 2014 ASC 310-30 Loans Non-ASC 310-30 Loans ASC 310-30 Loans Non-ASC 310-30 Loans New Loans (1) Total (Dollars in thousands) Real estate loans: Commercial real estate $ 155,050 $ 6,202 $ 181,885 $ 63,944 $ 853,074 $ 1,260,155 Owner-occupied commercial real estate — 2,411 — 12,431 281,703 296,545 1-4 single family residential 34,297 7,286 52,011 94,993 922,657 1,111,244 Construction, land and development 19,903 — 46,797 9,729 232,601 309,030 Home equity loans and lines of credit — 10,785 — 43,919 11,826 66,530 Total real estate loans $ 209,250 $ 26,684 $ 280,693 $ 225,016 $ 2,301,861 $ 3,043,504 Other loans: Commercial and industrial $ 32,531 $ 4,308 $ 34,967 $ 9,240 $ 795,000 $ 876,046 Consumer 557 36 2,246 645 6,556 10,040 Total other loans 33,088 4,344 37,213 9,885 801,556 886,086 Total loans held in portfolio $ 242,338 $ 31,028 $ 317,906 $ 234,901 $ 3,103,417 $ 3,929,590 Allowance for loan losses (22,880 ) Loans held in portfolio, net $ 3,906,710 (1) Balance includes $4.3 million and $3.6 million of deferred fees, costs, premiums and discounts as of September 30, 2015 and December 31, 2014, respectively. At September 30, 2015 and December 31, 2014, the unpaid principal balances (“UPB”) of ASC 310-30 loans were $530.9 million and $725.9 million, respectively. At September 30, 2015 and December 31, 2014, the Company had pledged loans as collateral for FHLB advances of $1.93 billion and $1.63 billion, respectively. The recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process as of September 30, 2015 totaled $9.9 million. The Company held $481.1 million and $445.6 million of syndicated national loans as of September 30, 2015 and December 31, 2014, respectively. During the three and nine months ended September 30, 2015, the Company purchased $0.0 and $233.6 million, respectively, in residential mortgage loans from third parties. During the three and nine months ended September 30, 2014, the Company purchased approximately $156.6 million and $227.8 million, respectively, in residential mortgage loans from third parties. During the three and nine months ended September 30, 2015, the Company sold approximately $26.4 million and $45.9 million, respectively, in loans to third parties. During the three and nine months ended September 30, 2014, the Company sold approximately $4.3 million and $33.2 million, respectively, in loans to third parties. The accretable discount on ASC 310-30 loan pools represents the amount by which the undiscounted expected cash flows on such pools exceed its carrying value. The increase in expected cash flows for certain ASC 310-30 loan pools resulted in the reclassification of $28.6 million and $19.5 million in non-accretable difference to accretable discount during the nine months ended September 30, 2015 and 2014, respectively. Changes in accretable discount for ASC 310-30 loans for the nine months ended September 30, 2015 and 2014 were as follows: Nine Months Ended September 30, 2015 2014 (Dollars in thousands) Balance at January 1, $ 156,197 $ 148,501 Additions to accretable discount from GFB acquisition — 40,444 Accretion (38,273 ) (46,956 ) Reclassifications from non-accretable difference 28,638 19,543 Balance at September 30, $ 146,562 $ 161,532

Allowance for Loan Losses

Allowance for Loan Losses	9 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Allowance for Loan Losses	NOTE 4. ALLOWANCE FOR LOAN LOSSES The Company’s accounting method for loans and the corresponding allowance for loan losses (“ALL”) differs depending on whether the loans are New or Acquired. The Company assesses and monitors credit risk and portfolio performance using distinct methodologies for Acquired loans, both ASC 310-30 Loans and Non-ASC 310-30 Loans, and New loans. Within each of these portfolios, the Company further disaggregates the portfolios into the following segments: Commercial real estate, Owner-occupied commercial real estate, 1-4 single family residential, Construction, land and development, Home equity loans and lines of credit, Commercial and industrial and Consumer. The ALL reflects management’s estimate of probable credit losses inherent in each of the segments. Changes in the ALL by loan portfolio and segment for the three and nine months ended September 30, 2015 and 2014 are as follows: Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at July 1, 2015 $ 9,652 $ 1,548 $ 5,744 $ 3,024 $ 563 $ 6,059 $ 456 $ 27,046 Provision (credit) for ASC 310-30 loans (791 ) — (38 ) (310 ) — (67 ) 30 (1,176 ) Provision (credit) for non-ASC 310-30 loans (110 ) 14 11 (20 ) 74 41 6 16 Provision (credit) for New loans (390 ) 45 203 251 41 1,712 (27 ) 1,835 Total provision (1,291 ) 59 176 (79 ) 115 1,686 9 675 Charge-offs for ASC 310-30 loans (65 ) — (224 ) — — (57 ) — (346 ) Charge-offs for non-ASC 310-30 loans — — — — (37 ) — (8 ) (45 ) Charge-offs for New loans — — — — — — — — Total charge-offs (65 ) — (224 ) — (37 ) (57 ) (8 ) (391 ) Recoveries for ASC 310-30 loans — — 18 18 — 23 — 59 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 5 — 5 Total recoveries — — 18 18 — 28 — 64 Ending ALL balance ASC 310-30 loans 1,729 — 26 501 — 1,032 417 3,705 Non-ASC 310-30 loans 1,265 68 346 36 469 82 4 2,270 New loans 5,302 1,539 5,342 2,426 172 6,602 36 21,419 Balance at September 30, 2015 $ 8,296 $ 1,607 $ 5,714 $ 2,963 $ 641 $ 7,716 $ 457 $ 27,394 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at July 1, 2014 $ 6,354 $ 806 $ 2,426 $ 1,935 $ 113 $ 5,924 $ 326 $ 17,884 Provision (credit) for ASC 310-30 loans 785 — — (1 ) — (290 ) (9 ) 485 Provision (credit) for non-ASC 310-30 loans 109 16 144 29 264 15 1 578 Provision (credit) for New loans 221 90 1,015 137 7 273 (1 ) 1,742 Total provision 1,115 106 1,159 165 271 (2 ) (9 ) 2,805 Charge-offs for ASC 310-30 loans — — — 1 — (93 ) (10 ) (102 ) Charge-offs for non-ASC 310-30 loans — — — — (173 ) — — (173 ) Charge-offs for New loans — — — — — — — — Total charge-offs — — — 1 (173 ) (93 ) (10 ) (275 ) Recoveries for ASC 310-30 loans 24 — — — — — 1 25 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 1 — 1 Total recoveries 24 — — — — 1 1 26 Ending ALL balance ASC 310-30 loans 3,692 — 207 660 — 976 280 5,815 Non-ASC 310-30 loans 117 23 151 29 123 21 4 468 New loans 3,684 889 3,227 1,412 88 4,833 24 14,157 Balance at September 30, 2014 $ 7,493 $ 912 $ 3,585 $ 2,101 $ 211 $ 5,830 $ 308 $ 20,440 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at January 1, 2015 $ 8,206 $ 1,020 $ 4,740 $ 2,456 $ 355 $ 5,745 $ 358 $ 22,880 Provision (credit) for ASC 310-30 loans (1,656 ) — (37 ) (508 ) — 52 187 (1,962 ) Provision (credit) for non-ASC 310-30 loans 770 10 60 (39 ) 221 33 6 1,061 Provision (credit) for New loans 846 577 1,341 703 102 1,852 (26 ) 5,395 Total provision (40 ) 587 1,364 156 323 1,937 167 4,494 Charge-offs for ASC 310-30 loans (270 ) — (431 ) (56 ) — (132 ) (60 ) (949 ) Charge-offs for non-ASC 310-30 loans — — (128 ) — (37 ) — (8 ) (173 ) Charge-offs for New loans — — — — — — — — Total charge-offs (270 ) — (559 ) (56 ) (37 ) (132 ) (68 ) (1,122 ) Recoveries for ASC 310-30 loans 400 — 169 407 — 154 — 1,130 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 12 — 12 Total recoveries 400 — 169 407 — 166 — 1,142 Ending ALL balance ASC 310-30 loans 1,729 — 26 501 — 1,032 417 3,705 Non-ASC 310-30 loans 1,265 68 346 36 469 82 4 2,270 New loans 5,302 1,539 5,342 2,426 172 6,602 36 21,419 Balance at September 30, 2015 $ 8,296 $ 1,607 $ 5,714 $ 2,963 $ 641 $ 7,716 $ 457 $ 27,394 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at January 1, 2014 $ 4,458 $ 376 $ 1,443 $ 1,819 $ 265 $ 6,198 $ 174 $ 14,733 Provision (credit) for ASC 310-30 loans 976 — 152 132 — (1,161 ) 223 322 Provision (credit) for non-ASC 310-30 loans 112 18 99 29 260 39 33 590 Provision (credit) for New loans 1,906 518 1,921 578 (38 ) 1,327 7 6,219 Total provision 2,994 536 2,172 739 222 205 263 7,131 Charge-offs for ASC 310-30 loans (74 ) — (30 ) (1,244 ) — (203 ) (101 ) (1,652 ) Charge-offs for non-ASC 310-30 loans — — — — (276 ) (24 ) (29 ) (329 ) Charge-offs for New loans — — — — — (348 ) — (348 ) Total charge-offs (74 ) — (30 ) (1,244 ) (276 ) (575 ) (130 ) (2,329 ) Recoveries for ASC 310-30 loans 115 — — 787 — 1 1 904 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 1 — 1 Total recoveries 115 — — 787 — 2 1 905 Ending ALL balance ASC 310-30 loans 3,692 — 207 660 — 976 280 5,815 Non-ASC 310-30 loans 117 23 151 29 123 21 4 468 New loans 3,684 889 3,227 1,412 88 4,833 24 14,157 Balance at September 30, 2014 $ 7,493 $ 912 $ 3,585 $ 2,101 $ 211 $ 5,830 $ 308 $ 20,440 Credit Quality Indicators In evaluating credit risk, the Company looks at multiple factors; however, management considers delinquency status to be the most meaningful indicator of the credit quality of 1-4 single family residential, home equity loans and lines of credit and consumer loans. Delinquency statistics are updated at least monthly. Internal risk ratings are considered the most meaningful indicator of credit quality for Non-ASC 310-30 and New commercial, construction, land and development and commercial real estate loans. Internal risk ratings are updated on a continuous basis. The following tables present an aging analysis of the recorded investment of delinquent loans by portfolio and segment (excluding loans accounted for under ASC 310-30): Accruing September 30, 2015 30 to 59 60 to 89 90 Days Non-Accrual Total (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — 2,354 — 455 2,809 Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans — 2,354 — 455 2,809 Other loans: Commercial and industrial — — — 14 14 Consumer — — — — — Total other loans — — — 14 14 Total new loans $ — $ 2,354 $ — $ 469 $ 2,823 Acquired loans: Real estate loans: Commercial real estate $ — $ — $ — $ 5,456 $ 5,456 Owner-occupied commercial real estate — — — 4 4 1-4 single family residential — 99 — 2,900 2,999 Construction, land and development — — — — — Home equity loans and lines of credit 610 620 — 2,367 3,597 Total real estate loans 610 719 — 10,727 12,056 Other loans: Commercial and industrial 233 — — 2,799 3,032 Consumer 22 13 — — 35 Total other loans 255 13 — 2,799 3,067 Total acquired loans $ 865 $ 732 $ — $ 13,526 $ 15,123 Accruing December 31, 2014 30 to 59 60 to 89 90 Days Non-Accrual Total (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential 6,206 727 — 116 7,049 Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans 6,206 727 — 116 7,049 Other loans: Commercial and industrial — — — — — Consumer — — — — — Total other loans — — — — — Total new loans $ 6,206 $ 727 $ — $ 116 $ 7,049 Acquired Loans: Real estate loans: Commercial real estate $ — $ — $ — $ 4,866 $ 4,866 Owner-occupied commercial real estate — — — 211 211 1-4 single family residential 1,877 86 — 1,766 3,729 Construction, land and development — — — — — Home equity loans and lines of credit 384 456 — 3,005 3,845 Total real estate loans 2,261 542 — 9,848 12,651 Other loans: Commercial and industrial — 192 — 1,222 1,414 Consumer 14 — — — 14 Total other loans 14 192 — 1,222 1,428 Total acquired loans $ 2,275 $ 734 $ — $ 11,070 $ 14,079 Loans exhibiting potential credit weaknesses that deserve management’s close attention and that if left uncorrected may result in deterioration of the repayment capacity of the borrower are categorized as special mention. Loans with well-defined credit weaknesses including payment defaults, declining collateral values, frequent overdrafts, operating losses, increasing balance sheet leverage, inadequate cash flow, project cost overruns, unreasonable construction delays, past due real estate taxes or exhausted interest reserves are assigned an internal risk rating of substandard. A loan with a weakness so severe that collection in full is highly questionable or improbable will be assigned an internal risk rating of doubtful. The following table summarizes the Company’s commercial Non-ASC 310-30 and New loans by key indicators of credit quality. Loans accounted for under ASC 310-30 are excluded from the following analysis because their related allowance is determined by loan pool performance: September 30, 2015 Pass Special Substandard Doubtful (Dollars in thousands) New loans: Commercial real estate $ 991,451 $ — $ — $ — Owner-occupied commercial real estate 452,991 — — — Construction, land and development 430,690 — — — Commercial and industrial 925,271 — 14 — Total new loans $ 2,800,403 $ — $ 14 $ — Acquired loans: Commercial real estate $ 54,970 $ — $ 5,834 $ — Owner-occupied commercial real estate 19,695 — 4 — Construction, land and development 6,319 — — — Commercial and industrial 6,853 1,482 3,169 — Total aquired loans $ 87,837 $ 1,482 $ 9,007 $ — December 31, 2014 Pass Special Substandard Doubtful (Dollars in thousands) New loans: Commercial real estate $ 853,044 $ — $ 30 $ — Owner-occupied commercial real estate 281,703 — — — Construction, land and development 232,601 — — — Commercial and industrial 795,000 — — — Total new loans $ 2,162,348 $ — $ 30 $ — Acquired loans: Commercial real estate $ 65,173 $ 107 $ 4,866 $ — Owner-occupied commercial real estate 13,822 421 599 — Construction, land and development 9,729 — — — Commercial and industrial 9,184 2,147 2,217 — Total acquired loans $ 97,908 $ 2,675 $ 7,682 $ — Internal risk ratings and other credit metrics are key factors in identifying loans to be individually evaluated for impairment and impact management’s estimates of loss factors used in determining the amount of the ALL. The following table shows the Company’s investment in loans disaggregated based on the method of evaluating impairment: Loans—Recorded Investment Allowance for Credit Loss September 30, 2015 Individually Collectively ASC 310- Individually Collectively ASC (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ 991,451 $ — $ — $ 5,302 $ — Owner-occupied commercial real estate — 452,991 — — 1,539 — 1-4 single family residential — 1,326,180 — — 5,342 — Construction, land and development — 430,690 — — 2,426 — Home equity loans and lines of credit — 28,185 — — 172 — Total real estate loans $ — $ 3,229,497 $ — $ — $ 14,781 $ — Other loans Commercial and industrial $ — $ 925,285 $ — $ — $ 6,602 $ — Consumer — 4,215 — — 36 — Total other loans $ — $ 929,500 $ — $ — $ 6,638 $ — Acquired loans: Real estate loans: Commercial real estate $ 4,991 $ 55,813 $ 259,411 $ 996 $ 269 $ 1,729 Owner-occupied commercial real estate — 19,699 — — 68 — 1-4 single family residential — 86,832 69,915 — 346 26 Construction, land and development — 6,319 32,996 — 36 501 Home equity loans and lines of credit 941 49,625 — 172 297 — Total real estate loans $ 5,932 $ 218,288 $ 362,322 $ 1,168 $ 1,016 $ 2,256 Other loans Commercial and industrial $ 535 $ 10,969 $ 46,233 $ — $ 82 $ 1,032 Consumer — 426 2,434 — 4 417 Total other loans $ 535 $ 11,395 $ 48,667 $ — $ 86 $ 1,449 Loans - Recorded Investment Allowance for Credit Loss December 31, 2014 Individually Collectively ASC 310- Individually Collectively ASC (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ 853,074 $ — $ — $ 4,456 $ — Owner-occupied commercial real estate — 281,703 — — 962 — 1-4 single family residential — 922,657 — — 4,001 — Construction, land and development — 232,601 — — 1,723 — Home equity loans and lines of credit — 11,826 — — 70 — Total real estate loans $ — $ 2,301,861 $ — $ — $ 11,212 $ — Other loans Commercial and industrial $ — $ 795,000 $ — $ — $ 4,738 $ — Consumer — 6,556 — — 62 — Total other loans $ — $ 801,556 $ — $ — $ 4,800 $ — Acquired Loans: Real estate loans: Commercial real estate $ 4,754 $ 65,392 $ 336,935 $ 174 $ 321 $ 3,255 Owner-occupied commercial real estate — 14,842 — — 58 — 1-4 single family residential — 102,279 86,308 — 414 325 Construction, land and development — 9,729 66,700 — 75 658 Home equity loans and lines of credit — 54,704 — — 285 — Total real estate loans $ 4,754 $ 246,946 $ 489,943 $ 174 $ 1,153 $ 4,238 Other loans Commercial and industrial $ — $ 13,548 $ 67,498 $ — $ 49 $ 958 Consumer — 681 2,803 — 6 290 Total other loans $ — $ 14,229 $ 70,301 $ — $ 55 $ 1,248 The following tables set forth certain information regarding the Company’s impaired loans (excluding loans accounted for under ASC 310-30) that were evaluated for specific reserves: Impaired Loans - With Allowance Impaired Loans - September 30, 2015 Recorded Unpaid Related Recorded Unpaid (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ — $ — $ — $ — $ — Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ — Acquired loans: Real estate loans: Commercial real estate $ 4,722 $ 5,049 $ 996 $ 269 $ 288 Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit 421 494 172 520 548 Total real estate loans $ 5,143 $ 5,543 $ 1,168 $ 789 $ 836 Other loans Commercial and industrial $ — $ — $ — $ 535 $ 750 Consumer — — — — — Total other loans $ — $ — $ — $ 535 $ 750 Impaired Loans - With Allowance Impaired Loans - December 31, 2014 Recorded Unpaid Related Recorded Unpaid (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ — $ — $ — $ — $ — Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ — Acquired loans: Real estate loans: Commercial real estate $ 354 $ 354 $ 174 $ 4,400 $ 4,595 Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ 354 $ 354 $ 174 $ 4,400 $ 4,595 Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ — Three Months Ended September 30, 2015 2014 Average Interest Average Interest (Dollars in thousands) Impaired loans with no related allowance: Real estate loans: Commercial real estate $ 231 $ — $ — $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 523 — 184 — Total real estate loans $ 754 $ — $ 184 $ — Other loans: Commercial and industrial $ 547 $ — $ — $ — Consumer — — — — Total other loans $ 547 $ — $ — $ — Impaired loans with an allowance: Real estate loans: Commercial real estate $ 4,734 $ — $ 4,624 $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 424 — — — Total real estate loans $ 5,158 $ — $ 4,624 $ — Other loans: Commercial and industrial $ — $ — $ — $ — Consumer — — — — Total other loans $ — $ — $ — $ — Nine Months Ended September 30, 2015 2014 Average Interest Average Interest (Dollars in thousands) Impaired loans with no related allowance: Real estate loans: Commercial real estate $ 151 $ — $ — $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 527 — 184 — Total real estate loans $ 678 $ — $ 184 $ — Other loans: Commercial and industrial $ 542 $ — $ — $ — Consumer — — — — Total other loans $ 542 $ — $ — $ — Impaired loans with an allowance: Real estate loans: Commercial real estate $ 4,843 $ — $ 4,687 $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 436 — — — Total real estate loans $ 5,279 $ — $ 4,687 $ — Other loans: Commercial and industrial $ — $ — $ — $ — Consumer — — — — Total other loans $ — $ — $ — $ —

Covered Assets and Loss Sharing

Covered Assets and Loss Sharing Agreements	9 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Covered Assets and Loss Sharing Agreements	NOTE 5. COVERED ASSETS AND LOSS SHARING AGREEMENTS On March 4, 2015, the Bank entered into an agreement with the FDIC to terminate all loss sharing agreements which were entered into in 2010 and 2011 in conjunction with the Bank’s acquisition of substantially all of the assets (“covered assets”) and assumption of substantially all of the liabilities of six failed banks in FDIC-assisted acquisitions. Under the early termination agreements, all rights and obligations of the Bank and the FDIC under the loss share agreements, including the clawback provisions, have been eliminated. The Bank paid the FDIC $14.8 million as consideration for the early termination to settle its obligation under the FDIC Clawback Liability. The early termination was recorded in the Bank’s financial statements by removing the FDIC Indemnification Asset receivable, the FDIC Clawback liability and recording a one-time, pre-tax loss on termination of $65.5 million. The following table summarizes the carrying value of assets covered by the loss sharing agreements: September 30, 2015 December 31, (Dollars in thousands) Loans, excluding allowance for loan losses $ — $ 273,366 OREO — 25,130 Total Covered Assets $ — $ 298,496 Subsequent to acquisition, when a provision for loan loss is required for a loan that is covered under a loss sharing agreement, the Company records an increase in the loss share indemnification asset and an increase to noninterest income in the consolidated statements of income based on the applicable loss sharing ratio. Increases in the loss share indemnification asset of $2.7 million were included in noninterest income for the nine months ended September 30, 2014, related to the provision for loan losses on Covered Loans, including both ASC 310-30 and Non-ASC 310-30 loans. Changes in the loss share indemnification asset for the periods presented were as follows: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Balance at beginning of period $ — $ 74,853 $ 63,168 $ 87,229 Termination of FDIC loss sharing agreements — — (63,168 ) — Reimbursable expenses — 648 — 3,801 Amortization — (6,272 ) — (17,677 ) Income resulting from impairment and charge-off of covered assets, net — 1,474 — 2,680 Expense resulting from recoupment and disposition of covered assets, net — (678 ) — (3,101 ) FDIC claims submissions — (105 ) — (3,012 ) Balance at end of period $ — $ 69,920 $ — $ 69,920 The following table summarizes the changes in the clawback liability, included in other liabilities, for the periods presented: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Balance at beginning of period $ — $ 12,525 $ 13,846 $ 11,753 Termination of FDIC loss sharing agreements — — (13,846 ) — Amortization impact — 190 — 547 Remeasurement impact — 842 — 1,257 Balance at end of period $ — $ 13,557 $ — $ 13,557

Derivatives

Derivatives	9 Months Ended
	Sep. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	NOTE 6. DERIVATIVES The Company is a party to interest rate derivatives that are not designated as hedging instruments. These derivatives are interest rate swaps that the Company enters into with customers to allow customers to convert variable rate loans to fixed rates. At the same time the interest rate swap is entered into with the customer, an offsetting interest rate swap is entered into with another financial institution. The changes in the fair value of the swaps offset each other, except for any differences in the credit risk of the counterparties, which is determined by considering the risk rating, probability of default and loss of given default of each counterparty. The Company recorded $892 thousand and $813 thousand of customer swap fees in noninterest income in the accompanying consolidated statements of income for the three months ended September 30, 2015 and 2014, respectively and $3.7 million and $3.0 million for the nine months ended September 30, 2015 and 2014, respectively. As of September 30, 2015, the Company has not recorded any credit adjustments related to the credit risk of the counterparties. There was no change in the fair value of derivative assets and derivative liabilities attributable to credit risk included in noninterest expense on the statements of income for the three or nine months ended September 30, 2015 or 2014. No derivative positions held by the Company as of September 30, 2015 were designated as hedging instruments under ASC 815-10. The following tables summarize the Company’s derivatives outstanding included in other assets and other liabilities in the accompanying consolidated balance sheets: September 30, 2015 Derivative Assets Derivative Liabilities Notional Fair Value Notional Fair Value (Dollars in thousands) Derivatives not designated as hedging instruments under ASC 815-10 Interest rate contracts—pay floating, receive fixed $ 614,353 $ 27,143 $ 8,298 $ 3 Interest rate contracts—pay fixed, receive floating — — 622,651 27,140 Total derivatives $ 614,353 $ 27,143 $ 630,949 $ 27,143 December 31, 2014 Derivative Assets Derivative Liabilities Notional Fair Value Notional Fair Value (Dollars in thousands) Derivatives not designated as hedging instruments under ASC 815-10 Interest rate contracts—pay floating, receive fixed $ 464,890 $ 14,328 $ 8,298 $ 39 Interest rate contracts—pay fixed, receive floating — — 473,188 14,289 Total derivatives $ 464,890 $ 14,328 $ 481,486 $ 14,328 The derivative transactions entered into with a financial institution are subject to an enforceable master netting arrangement. The following table summarizes the gross and net fair values of the Company’s derivatives outstanding with this counterparty included in other liabilities in the accompanying consolidated balance sheets: September 30, 2015 Gross of liabilities Gross offset in the consolidated balance Net amounts in the consolidated balance (Dollars in thousands) Offsetting derivative liabilities Counterparty A—Interest rate contracts $ 27,143 $ (3 ) $ 27,140 Total $ 27,143 $ (3 ) $ 27,140 December 31, 2014 Gross of liabilities Gross offset in the consolidated balance Net amounts in the consolidated balance (Dollars in thousands) Offsetting derivative liabilities Counterparty A—Interest rate contracts $ 14,328 $ (39 ) $ 14,289 Total $ 14,328 $ (39 ) $ 14,289 At September 30, 2015, the Company has pledged investment securities available for sale with a carrying amount of $22.4 million as collateral for the interest rate swaps in a liability position. The amount of collateral required to be posted by the Company varies based on the settlement value of outstanding swaps. As of September 30, 2015 and December 31, 2014, substantially all of the floating rate terms within the interest rate swaps held by the Company were indexed to 1-month LIBOR. The fair value of the derivative assets and liabilities are included in a table in Note 13 “Fair Value Measurements,” in the line items “Derivative assets” and “Derivative liabilities.”

Deposits

Deposits	9 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Deposits	NOTE 7. DEPOSITS The following table sets forth the Company’s deposits by category: September 30, December 31, (Dollars in thousands) Noninterest-bearing demand deposits $ 618,741 $ 593,025 Interest-bearing demand deposits 404,085 122,380 Interest-bearing NOW accounts 350,602 374,399 Savings and money market accounts 1,923,723 1,811,878 Time deposits 1,524,693 1,076,853 Total deposits $ 4,821,844 $ 3,978,535 Time deposits $100,000 and greater $ 1,051,929 $ 689,439 Time deposits greater than $250,000 435,345 226,895 The aggregate amount of overdraft demand deposits reclassified to loans was $419 thousand at September 30, 2015. The aggregate amount of maturities for time deposits for each of the five years as of September 30, 2015 totaled $989.0 million, $362.9 million, $154.9 million, $11.0 million and $6.7 million, respectively. The Company holds brokered deposits through an insured deposit sweep program of $424.8 million and $338.2 million at September 30, 2015 and December 31, 2014, respectively.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income	9 Months Ended
	Sep. 30, 2015
Equity [Abstract]
Accumulated Other Comprehensive Income	NOTE 8. ACCUMULATED OTHER COMPREHENSIVE INCOME Changes in AOCI for the periods indicated are summarized as follows: Three Months Ended September 30, 2015 2014 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax (Dollars in thousands) Balance at beginning of period $ 127 $ (49 ) $ 78 $ 13,313 $ (5,136 ) $ 8,177 Unrealized gain (loss) on investment securities available for sale: Net unrealized holdings gain (loss) arising during the period (4,625 ) 1,784 (2,841 ) (12,962 ) 5,001 (7,961 ) Amounts reclassified to (gain) loss on investment securities (232 ) 90 (142 ) (2,121 ) 818 (1,303 ) Balance at end of period $ (4,730 ) $ 1,825 $ (2,905 ) $ (1,770 ) $ 683 $ (1,087 ) Nine Months Ended September 30, 2015 2014 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax (Dollars in thousands) Balance at beginning of period $ 1,106 $ (427 ) $ 679 $ (2,565 ) $ 990 $ (1,575 ) Unrealized gain (loss) on investment securities available for sale: Net unrealized holdings gain (loss) arising during the period (3,325 ) 1,283 (2,042 ) 6,753 (2,605 ) 4,148 Amounts reclassified to (gain) loss on investment securities (2,511 ) 969 (1,542 ) (5,958 ) 2,298 (3,660 ) Balance at end of period $ (4,730 ) $ 1,825 $ (2,905 ) $ (1,770 ) $ 683 $ (1,087 )

Basic and Diluted Earnings Per

Basic and Diluted Earnings Per Share	9 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Basic and Diluted Earnings Per Share	NOTE 9. BASIC AND DILUTED EARNINGS PER SHARE Basic earnings per share (“EPS”) is calculated by dividing net income available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted EPS reflect the effect of common stock equivalents, including stock options and unvested shares, calculated using the treasury stock method. Common stock equivalents are excluded from the computation of diluted EPS in periods in which the effect is anti-dilutive. The following table presents the computation of basic and diluted EPS: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands, except share and per share data) Net income (loss) available to common stockholders $ 21,140 $ (3,422 ) $ 23,642 $ 9,272 Weighted average number of common shares—basic 41,381,482 38,952,127 41,410,494 36,923,354 Effect of dilutive securities: Employee stock-based compensation awards and warrants 2,416,896 — 1,702,453 171,236 Weighted average number of common shares—diluted 43,798,378 38,952,127 43,112,947 37,094,590 Basic earnings (loss) per share $ 0.51 $ (0.09 ) $ 0.57 $ 0.25 Diluted earnings (loss) per share $ 0.48 $ (0.09 ) $ 0.55 $ 0.25 Anti-dilutive warrants, stock options and RSUs 120,500 9,534,756 531,610 8,378,217

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 10. INCOME TAXES The Company uses an estimated annual effective tax rate method in computing its interim tax provision. This effective tax rate is based on forecasted annual pre-tax income, permanent tax differences and statutory tax rates. The effective tax rate for the three months ended September 30, 2015 was 34.9% compared to a tax benefit of 2.8% for the three months ended September 30, 2014. The increase in the effective tax rate for the third quarter of 2015 was primarily due to higher levels of pre-tax income, which is subject to the marginal tax rate, and changes in permanent tax differences. The tax rate differs from the statutory rate due to the impact of tax benefits related to bank-owned life insurance, dividends received deductions, and certain stock-based compensation awards. The effective tax rates for the nine months ended September 30, 2015 and 2014, were 5.7% and 40.9%, respectively. The decrease in the effective tax rate for the nine months ended September 30, 2015 reflects a net tax benefit due to the loss associated with the early termination of the FDIC loss share agreements and a deferred tax asset benefit associated with a revaluation of net unrealized built-in losses related to the Company’s acquisition of Great Florida Bank on January 31, 2014.

Stock-Based Compensation and Ot

Stock-Based Compensation and Other Benefit Plans	9 Months Ended
	Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation and Other Benefit Plans	NOTE 11. STOCK-BASED COMPENSATION AND OTHER BENEFIT PLANS 2009 Option Plan On February 5, 2014, the Company granted 90,000 stock options from the 2009 Option Plan to directors that vest at a rate of 25% per calendar quarter in 2014. The options have an exercise price of $19.75, the estimated fair value of the Company’s stock on the date of grant and an aggregate fair value of $479 thousand. The options granted to directors expire 10 years from grant date. On April 29, 2014, the Company granted 150,000 stock options with a three year vesting period from the 2009 Option Plan to employees with a weighted average exercise price of $19.75, the estimated fair value of the Company’s stock on the date of grant, and an aggregate fair value of $890 thousand. The options granted to employees expire 10 years from grant date. On September 30, 2014, the Company granted 391,500 stock options with a three year vesting period from the 2009 Option Plan to employees with an exercise price of $22.69, the fair value of the Company’s stock on the date of grant, and an aggregate fair value of $3.1 million. The options granted to employees expire 10 years from grant date. Option grant activities for the periods indicated are summarized as follows: 2009 Option Plan Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Outstanding at beginning of period 4,074,583 3,686,000 4,135,250 3,688,500 Granted — 391,500 — 631,500 Exercised (272,671 ) — (309,506 ) — Forfeited (750 ) (5,166 ) (24,081 ) (19,332 ) Expired — — (501 ) (228,334 ) Outstanding at end of period 3,801,162 4,072,334 3,801,162 4,072,334 At September 30, 2015, there were no shares available for award from the 2009 Option Plan and total vested and exercisable shares of 3,199,397 were outstanding. The total unrecognized compensation cost of $3.1 million related to the 2009 Option Plan for share awards outstanding at September 30, 2015 will be recognized over a weighted average remaining period of 1.93 years. 2013 Stock Incentive Plan For the three or nine months ended September 30, 2014, no awards were granted by the Company from the 2013 Stock Incentive Plan (“2013 Plan”). For the three months ended September 30, 2015, no awards were granted by the Company from the 2013 Plan. During the nine months ended September 30, 2015, the Company granted 129,000 stock options from the 2013 Plan to directors that vest at a rate of 25% per calendar quarter in 2015 and 120,500 stock options to employees that vest at a rate of 33 1 3 Option grant activities for the periods indicated are summarized as follows: 2013 Option Plan Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Outstanding at beginning of period 2,400,000 2,170,500 2,170,500 2,173,000 Granted — — 249,500 — Exercised (26,313 ) — (32,979 ) — Forfeited — — (13,334 ) (2,500 ) Expired — — — — Outstanding at end of period 2,373,687 2,170,500 2,373,687 2,170,500 At September 30, 2015, based on the number of stock options outstanding, there were 93,334 shares available for award from the 2013 Plan and total vested and exercisable shares of 754,999. The total unrecognized compensation cost of $2.2 million related to the 2013 Equity Incentive Plan for share awards outstanding at September 30, 2015 will be recognized over a weighted average remaining period of 1.59 years. Long-Term Award Granted During the nine months ended September 30, 2015, the Compensation Committee of the Board of Directors of the Company approved an executive long-term award for the period ending December 31, 2017. The award grants cash phantom units (“CPUs”), the value of which is determined by the Company’s common share price at the end of the award period. Based on the estimated value of the award, the Company recognized $0.9 million of compensation expense for the nine month period ended September 30, 2015.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	NOTE 12. COMMITMENTS AND CONTINGENCIES The Company issues off-balance sheet financial instruments in connection with its lending activities and to meet the financing needs of its customers. These financial instruments include commitments to fund loans and lines of credit as well as commercial and standby letters of credit. These commitments expose the Company to varying degrees of credit and market risk which are essentially the same as extending loans to customers. The Company follows the same credit policies in making commitments as it does for instruments recorded on the Company’s consolidated balance sheet. Collateral is obtained based on management’s assessment of the customer’s credit risk. The Company’s exposure to credit loss is represented by the contractual amount of commitments. As of September 30, 2015 and December 31, 2014 the Company’s reserve for unfunded commitments totaled $1.7 million and $1.2 million, respectively. Fees collected on off-balance sheet financial instruments represent the fair value of those commitments and are deferred and amortized over their term. Amounts funded under non-cancelable commitments in effect at the date of acquisition are Covered Assets under the loss-sharing agreements, if applicable, and if certain conditions are met. Financial Instruments Commitments Unfunded commitments are as follows: September 30, 2015 December 31, (Dollars in thousands) Commitments to fund loans $ 508,721 $ 351,369 Unused lines of credit 248,385 199,880 Commercial and standby letters of credit 14,515 10,223 Total $ 771,621 $ 561,472 Commitments to fund loans: Commitments to fund loans are agreements to lend funds to customers as long as there is no violation of any condition established in the contract. To accommodate the financial needs of customers, the Company makes commitments under various terms to lend funds to consumers and businesses. Commitments to fund loans generally have fixed expiration dates or other termination clauses and may require payment of a fee. Many of these commitments are expected to expire without being funded and, therefore, the total commitment amounts do not necessarily represent future liquidity requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral required in connection with a commitment to fund is based on management’s credit evaluation of the counterparty. Unused lines of credit: Unfunded commitments under lines of credit include commercial, commercial real estate, home equity and consumer lines of credit to existing customers. Some of these commitments may mature without being fully funded. Commercial and standby letters of credit: Letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. Letters of credit are primarily issued to support trade transactions or guarantee arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. The Company generally holds collateral supporting those commitments if deemed necessary. Other Commitments and Contingencies Legal Proceedings The Company, from time to time, is involved as plaintiff or defendant in various legal actions arising in the normal course of business. While the ultimate outcome of any such proceedings cannot be predicted with certainty, it is the opinion of management, based upon advice of legal counsel, that no proceedings exist, either individually or in the aggregate, which, if determined adversely to the Company, would have a material effect on the Company’s consolidated balance sheet, results of operations or cash flows. A bank-owned asset in Miami-Dade County was foreclosed in 2012, and later discovered to have been illegally infilled over protected wetlands by the prior owner. The Bank had been working with Miami-Dade County environmental agencies to address the situation, along with Bank environmental attorneys specializing in this area. The subject property was sold during Q1 2015 to a third party purchaser and the Bank has no further legal liability for the asset. The SEC is investigating the valuation and accounting treatment by Great Florida Bank (“GFB”), prior to the Great Florida Acquisition by the Company, of an office building acquired by GFB in 2009 and the use of appraisals with respect to such valuation. The Bank is cooperating with the investigation. On the date of acquisition by the Bank, based on the Company’s plans and intended use of the acquired office building, the asset was classified as OREO and recorded at fair value, less estimated selling costs. The fair value of the office building was based on a third party real estate appraisal at the date of acquisition. The Company does not believe that the results of the SEC investigation relating to GFB are likely to have a material adverse effect on the financial condition or results of operations of the Company. The subject property was sold during Q2 2015 to a third party purchaser.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Fair Value Measurements	NOTE 13. FAIR VALUE MEASUREMENTS When determining the fair value measurements for assets and liabilities and the related fair value hierarchy, the Company considers the principal or most advantageous market in which it would transact and the assumptions that market participants would use when pricing the asset or liability (observable inputs). When possible, the Company looks to active and observable markets to price identical assets or liabilities. When identical assets and liabilities are not traded in active markets, the Company looks to market observable data for similar assets and liabilities. It is the Company’s policy to maximize the use of observable inputs, minimize the use of unobservable inputs, and use unobservable inputs to measure fair value to the extent that observable inputs are not available. The need to use unobservable inputs generally results from the lack of market liquidity, resulting in diminished observability of both actual trades and assumptions that would otherwise be available to value these instruments, or the value of the underlying collateral is not market observable. Although third party price indications may be available for an asset or liability, limited trading activity would make it difficult to support the observability of these quotations. Financial Instruments Carried at Fair Value on a Recurring Basis The following is a description of the valuation methodologies used for financial instruments measured at fair value on a recurring basis, as well as the general classification of each instrument under the valuation hierarchy. Investment Securities—Investment securities available for sale are carried at fair value on a recurring basis. When available, fair value is based on quoted prices for the identical security in an active market and as such, would be classified as Level 1. If quoted market prices are not available, fair values are estimated using quoted prices of securities with similar characteristics, discounted cash flows or matrix pricing models. Investment securities available for sale for which Level 1 valuations are not available are classified as Level 2, and include U.S. Government agencies and sponsored enterprises obligations and agency mortgage-backed securities; state and municipal obligations; asset-backed securities; and corporate debt and other securities. Pricing of these securities is generally spread driven. Observable inputs that may impact the valuation of these securities include benchmark yield curves, credit spreads, reported trades, dealer quotes, bids, issuer spreads, current rating, historical constant prepayment rates, historical voluntary prepayment rates, structural and waterfall features of individual securities, published collateral data, and for certain securities, historical constant default rates and default severities. Interest Rate Derivatives—Interest rate derivatives are reported at estimated fair value utilizing Level 2 inputs and are included in other assets and other liabilities and consist of interest rate swaps where there is no significant deterioration in the counterparties (loan customers) credit risk since origination of the interest rate swap. The Company values its interest rate swap positions using market prices provided by a third party which uses primarily observable market inputs. Interest rate derivatives are further described in Note 6 “Derivatives.” For purposes of potential valuation adjustments to our derivative positions, the Company evaluates the credit risk of its counterparties as well as our own credit risk. Accordingly, the Company has considered factors such as the likelihood of default, expected loss given default, net exposures and remaining contractual life, among other things, in determining if any estimated fair value adjustments related to credit risk are required. The Company reviews counterparty exposure quarterly, and when necessary, appropriate adjustments are made to reflect the exposure. For the nine months ended September 30, 2015 and 2014, the Company has not realized any losses due to the counterparty’s inability to pay any net uncollateralized position. As of September 30, 2015, there were no interest rate derivatives classified as Level 3. Contingent consideration issued to the FDIC—In conjunction with the 2010 and 2011 acquisitions, the Bank issued contingent consideration to the FDIC in the form of EAAs. The estimated fair value of the EAAs are derived from an estimation of the future fair value of the Company’s stock and a range of potential payment liabilities is determined in accordance with the terms of each agreement. Management assigns a probability to each potential payment liability based on its judgment about the likelihood of the event occurring. This expected value is the basis for estimating the fair value of the contingent consideration. As of September 30, 2015, the Company had no remaining EAAs, as the EAAs reached final settlement with the FDIC on September 29, 2014. Clawback liability—The fair value of the FDIC clawback liability is estimated using a discounted cash flow technique based on projected cash flows related to the resolution of Covered Assets and a discount rate using a risk free rate, plus a premium that takes into account the Company’s credit risk, resulting in Level 3 classification. On March 4, 2015, the Bank entered into an agreement with the FDIC to terminate all loss sharing agreements which were entered into in 2010 and 2011 in conjunction with the Bank’s acquisition of substantially all of the assets (“covered assets”) and assumption of substantially all of the liabilities of six failed banks in FDIC-assisted acquisitions. Under the early termination, all rights and obligations of the Bank and the FDIC under the loss share agreements, including the clawback liability, have been eliminated. The following table presents the assets and liabilities measured at fair value on a recurring basis: September 30, 2015 Level 1 Level 2 Level 3 Total (Dollars in thousands) Assets: U.S. Government agencies and sponsored enterprises obligations $ — $ 5,228 $ — $ 5,228 U.S. Government agencies and sponsored enterprises mortgage-backed securities — 367,260 — 367,260 State and municipal obligations — 2,235 — 2,235 Asset-backed securities — 499,094 — 499,094 Corporate bonds and other debt securities — 426,468 — 426,468 Preferred stocks and other equity securities 2,064 165,470 — 167,534 Derivative assets—Interest rate contracts — 27,143 — 27,143 Total $ 2,064 $ 1,492,898 $ — $ 1,494,962 Liabilities: Derivative liabilities—Interest rate contracts $ — $ 27,143 $ — $ 27,143 Clawback liability — — — — Total $ — $ 27,143 $ — $ 27,143 December 31, 2014 Level 1 Level 2 Level 3 Total (Dollars in thousands) Assets: U.S. Government agencies and sponsored enterprises obligations $ — $ 6,096 $ — $ 6,096 U.S. Government agencies and sponsored enterprises mortgage-backed securities — 501,652 — 501,652 State and municipal obligations — 2,277 — 2,277 Asset-backed securities — 478,201 — 478,201 Corporate bonds and other debt securities — 258,683 — 258,683 Preferred stocks and other equity securities 23,594 88,595 — 112,189 Derivative assets—Interest rate contracts — 14,328 — 14,328 Total $ 23,594 $ 1,349,832 $ — $ 1,373,426 Liabilities: Derivative liabilities—Interest rate contracts $ — $ 14,328 $ — $ 14,328 Clawback liability — — 13,846 13,846 Total $ — $ 14,328 $ 13,846 $ 28,174 There were no transfers of financial assets between levels of the fair value hierarchy during the nine months ended September 30, 2015 or 2014. The following tables reconcile changes in the fair value of liabilities measured at fair value on a recurring basis and classified in level 3 of the fair value hierarchy for the periods presented: Three Months Ended September 30, 2015 2014 Clawback Liability EAAs Clawback Liability EAAs (Dollars in thousands) Balance at beginnning of period $ — $ — $ 12,525 $ 1,814 Losses (gains) included in other noninterest expenses — — 1,032 766 Termination of FDIC loss sharing agreements — — — — Final EAA settlement on FCB — — — (1,458 ) Final EAA settlement on PAB — — — (1,122 ) Balance at end of period $ — $ — $ 13,557 $ — Nine Months Ended September 30, 2015 2014 Clawback Liability EAAs Clawback Liability EAAs (Dollars in thousands) Balance at beginnning of period $ 13,846 $ — $ 11,753 $ 1,114 Losses (gains) included in other noninterest expenses — — 1,804 1,466 Termination of FDIC loss sharing agreements (13,846 ) — — — Final EAA settlement on FCB — — — (1,458 ) Final EAA settlement on PAB — — — (1,122 ) Balance at end of period $ — $ — $ 13,557 $ — The inputs used to determine the estimated fair value of loans include market conditions, loan term, underlying collateral characteristics and discount rates. The inputs used to determine the fair value of OREO include market conditions, estimated marketing period or holding period, underlying collateral characteristics and discount rates. For the nine months ended September 30, 2015 and 2014, there was not a change in the methods or significant assumptions used to estimate fair value. Financial Instruments Measured at Fair Value on a Non-Recurring Basis The following table shows significant unobservable inputs used in the non-recurring fair value measurement of level 3 assets and liabilities: Level 3 Asset Fair value Valuation Technique Unobservable Inputs Range (Dollars in thousands) Non-recurring: Loans $ 4,847,857 Third party appraisals and discounted cash flows Collateral discounts and discount rates 0% - 100 % Other real estate owned 40,405 Third party appraisals Collateral discounts and estimated cost to sell 10 % The following is a description of the methodologies used to estimate the fair values of assets and liabilities measured at fair value on a non-recurring basis, and the level within the fair value hierarchy in which those measurements are typically classified. Impaired loans and OREO—The carrying amount of collateral dependent impaired loans is typically based on the fair value of the underlying collateral, which may be real estate or other business assets, less estimated costs to sell. The carrying value of OREO is initially measured based on the fair value, less estimated cost to sell, of the real estate acquired in foreclosure and subsequently adjusted to the lower of cost or estimated fair value, less estimated cost to sell. Fair values of real estate collateral are typically based on real estate appraisals which utilize market and income valuation techniques incorporating both observable and unobservable inputs. When current appraisals are not available, the Company may use brokers’ price opinions, home price indices, or other available information about changes in real estate market conditions to adjust the latest appraised value available. These adjustments to appraised values may be subjective and involve significant management judgment. The fair value of collateral consisting of other business assets is generally based on appraisals that use market approaches to valuation, incorporating primarily unobservable inputs. Fair value measurements related to collateral dependent impaired loans and OREO are classified within level 3 of the fair value hierarchy. The following tables provide information about certain assets measured at fair value on a non-recurring basis: September 30, December 31, (Dollars in thousands) Assets that are still held (classified in Level 3): Impaired loans $ 6,467 $ 4,754 Foreclosed real estate 40,405 74,527 Three Months Ended Nine Months Ended 2015 2014 2015 2014 (Dollars in thousands) Negative valuation adjustments: Impaired loans $ — $ 4 $ 1,011 $ 4 Foreclosed real estate 122 958 242 1,690 Impairment charges resulting from the non-recurring changes in fair value of the underlying collateral of impaired loans are included in the provision for loan losses in the consolidated statement of income. Impairment charges resulting from the non-recurring changes in fair value of OREO are included in other real estate and acquired assets resolution expenses in the consolidated statement of income. The carrying amounts and estimated fair values, as well as the level within the fair value hierarchy, of the Company’s financial instruments are as follows: September 30, 2015 Carrying Fair Level 1 Level 2 Level 3 (Dollars in thousands) Financial Assets: Cash and cash equivalents $ 84,759 $ 84,759 $ 84,759 $ — $ — Available for sale securities 1,467,819 1,467,819 2,064 1,465,755 — FHLB and other bank stock 65,955 65,955 — 65,955 — Loans, net 4,778,742 4,847,857 — — 4,847,857 Loans held for sale 2,573 2,573 — 2,573 — Loss share indemnification asset — — — — — Due from FDIC — — — — — Bank-owned life insurance 166,931 166,931 — 166,931 — Derivative assets—Interest rate contracts 27,143 27,143 — 27,143 — Financial Liabilities: Deposits $ 4,821,844 $ 4,825,458 $ — $ 4,825,458 $ — Advances from the FHLB and other borrowings 1,149,920 1,150,326 — 1,150,326 — Derivative liabilities—Interest rate contracts 27,143 27,143 — 27,143 — Clawback liability — — — — — December 31, 2014 Carrying Fair Level 1 Level 2 Level 3 (Dollars in thousands) Financial Assets: Cash and cash equivalents $ 107,085 $ 107,085 $ 107,085 $ — $ — Available for sale securities 1,359,098 1,359,098 23,594 1,335,504 — FHLB and other bank stock 66,891 66,891 — 66,891 — Loans, net 3,906,710 3,959,771 — — 3,959,771 Loans held for sale 707 707 — 707 — Loss share indemnification asset 63,168 27,976 — — 27,976 Due from FDIC 1,735 1,735 — 1,735 — Bank-owned life insurance 139,829 139,829 — 139,829 — Derivative assets—Interest rate contracts 14,328 14,328 — 14,328 — Financial Liabilities: Deposits $ 3,978,535 $ 3,977,629 $ — $ 3,977,629 $ — Advances from the FHLB and other borrowings 1,067,981 1,066,764 — 1,066,764 — Derivative liabilities—Interest rate contracts 14,328 14,328 — 14,328 — Clawback liability 13,846 13,846 — — 13,846 Certain financial instruments are carried at amounts that approximate fair value due to their short-term nature and generally negligible credit risk. Financial instruments for which fair value approximates the carrying amount at September 30, 2015 and December 31, 2014, include cash and cash equivalents and due from FDIC. The following methods and assumptions were used to estimate the fair value of each class of financial instruments. FHLB and Other Bank Stock: FHLB and other bank stock can be liquidated only by redemption by the issuer, as there is no market for these securities. These securities are carried at par, which has historically represented the redemption price and is therefore considered to approximate fair value. Loans: Fair values for loans are based on a discounted cash flow methodology that considers various factors, including the type of loan and related collateral, classification status, fixed or variable interest rate, term of loan, whether or not the loan was amortizing and current discount rates. Loans are grouped together according to similar characteristics and are treated in the aggregate when applying various valuation techniques. The discount rates used for loans are based on current market rates for new originations of comparable credit risk and include adjustments for liquidity concerns. The ALL is considered a reasonable estimate of the required adjustment to fair value to reflect the impact of credit risk. This estimate may not represent an exit value as defined in ASC 820. Loans Held for Sale: Fair values of mortgage loans held for sale are based on commitments on hand from investors or prevailing market prices. Loss Share Indemnification Asset: The fair value of the loss share indemnification asset is estimated using a discounted cash flow technique based on projected cash flows related to the resolution of Covered Assets and a discount rate using a risk free rate, plus a premium to take into account the Company’s credit risk, that incorporates the uncertainty related to the amounts and timing of the cash flows and other liquidity concerns as well as the counterparties credit risk. As of September 30, 2015, the Company had no remaining loss share indemnification asset, as the Bank entered into an agreement with the FDIC to terminate all loss sharing agreements on March 4, 2015. Due from FDIC: The due from FDIC represents claims submitted to the Federal Deposit Insurance Corporation for reimbursement for which the Company expects to receive payment within 90 days. Due to their short term nature, the carrying amount of these instruments approximates the estimated fair value. As of September 30, 2015, the Company had no remaining receivable from the FDIC, as the Bank entered into an agreement with the FDIC to terminate all loss sharing agreements on March 4, 2015. Bank-owned Life Insurance: The Company holds life insurance policies on certain officers. The carrying value of these policies approximates fair value as it is based on the cash surrender value adjusted for other charges or amounts due that are probable at settlement. Deposits: The fair value of demand deposits, savings accounts and money market deposits is the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated using discounted cash flow analysis and using the rates currently offered for deposits of similar remaining maturities. Advances from the FHLB and Other Borrowings: The fair value of advances from the FHLB and other borrowings are estimated by discounting the future cash flows using the current rate at which similar borrowings with similar remaining maturities could be obtained. EAAs: The estimated fair value of EAAs are derived from an estimation of the future fair value of the Company’s stock and a range of potential payment liabilities are determined in accordance with the terms of each agreement. As of September 30, 2015, the Company had no remaining EAAs, as the EAAs reached final settlement with the FDIC on September 29, 2014.

Summary of Significant Accoun22

Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
General	General The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (“SEC”). Accordingly, they do not include all information and notes to the consolidated financial statements necessary for a complete presentation of financial position, results of operations, comprehensive income and cash flows in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) and should be read in conjunction with the audited consolidated financial statements and the notes thereto for FCB Financial Holdings, Inc. (the “Company”) previously filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. The results of operations for the interim periods are not necessarily indicative of the results that may be expected for the full year or any other interim period.
Nature of Operations	Nature of Operations FCB Financial Holdings, Inc., formerly known as Bond Street Holdings, Inc., is a national bank holding company with one wholly-owned national bank subsidiary, Florida Community Bank, N.A. (“Florida Community Bank” or the “Bank”), headquartered in Weston, Florida, offering a comprehensive range of traditional banking products and services to individual and corporate customers through 49 banking centers located in Florida at September 30, 2015.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the accounts of the Company, its wholly-owned subsidiary, the Bank, and the Bank’s subsidiaries, which consist of a group of real estate holding companies. Intercompany transactions and balances have been eliminated in consolidation.
Use of Estimates	Use of Estimates The Company’s financial reporting and accounting policies conform to U.S. GAAP. The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates subject to significant change include the allowance for loan losses, valuation of and accounting for loans covered by loss sharing arrangements with the Federal Deposit Insurance Corporation (“FDIC”) and the related loss share receivable, valuation of and accounting for acquired loans, the carrying value of OREO, the fair value of financial instruments, the valuation of goodwill and other intangible assets, contingent consideration liabilities, acquisition-related fair value computations, stock-based compensation and deferred taxes.
Reclassifications	Reclassifications In certain instances, amounts reported in prior periods consolidated financial statements have been reclassified to conform to the current period presentation. Such reclassifications had no effect on previously reported net income or total stockholders’ equity. For the 2014 Consolidated Statements of Cash Flows, the Company reclassified $11.9 million to operating activities from investing activities related to the settlement of investment securities and $22.8 million to operating activities from investing activities related to accretion income on acquired loans. In addition, the Company reclassified cash collections of $6.6 million from the FDIC on loss share indemnification assets from investing activities to operating activities. Management does not believe these adjustments are material to the consolidated financial statements.
Recently Adopted Accounting Pronouncements	Recently Adopted Accounting Pronouncements In July 2013, the FASB issued ASU No. 2013-11, “Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists” to provide guidance on the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists thereby reducing diversity in practice. The amendments in this update became effective for the first quarter ended March 31, 2015. The adoption of this ASU did not have a material impact on the Company’s consolidated financial statements.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards affecting public companies. In other words, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We have elected to use the extended transition period provided in Section 7(a)(2)(B) of the Securities Act until the earlier of the date we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in Section 7(a)(2)(B). In February 2015, the FASB issued ASU No. 2015-02, “Amendments to the Consolidated Analysis (ASC 810, Consolidation)” which amends the consolidation requirements of ASC 810 by reducing the number of consolidation models. The guidance places more emphasis on risk of loss when determining a controlling financial interest; reduces the frequency of the application of related-party guidance when determining a controlling financial interest and changes the consolidation requirements of limited partnerships. For public entities, this guidance is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. For all other entities, including emerging growth companies, the amendments in this Update are effective for fiscal years beginning after December 15, 2016, and for interim periods within fiscal years beginning after December 15, 2017. A reporting entity may apply the amendments in this ASU using a modified retrospective approach by recording a cumulative-effect adjustment to equity as of the beginning of the fiscal year of adoption or may apply the amendments retrospectively. The Company is currently evaluating this guidance to determine the impact on its consolidated financial position, results of operations and cash flows but does not expect the adoption of this ASU to have a material impact on our consolidated financial statements. In January 2015, the FASB issued ASU No. 2015-01, “Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items (ASC 225-20, Extraordinary and Unusual Items)” which eliminates the concept of extraordinary items. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015 for all entities. Under the ASU, extraordinary items will no longer be segregated from the results of ordinary operations and presented separately on the consolidated financial statements. The amendments may be applied prospectively or retrospectively to all prior periods. Early adoption is permitted provided that the guidance is applied from the beginning of the fiscal year of adoption. The Company does not expect the adoption of this ASU to have a material impact on its consolidated financial statements. In September 2015, the FASB issued ASU No. 2015-16, “Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments” which requires an acquirer to recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The amendments in this ASU require that the acquirer record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date. For public entities, this guidance is effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2015. For all other entities, including emerging growth companies, the amendments in this ASU are effective for fiscal years beginning after December 15, 2016, and for interim periods within fiscal years beginning after December 15, 2017. The amendments in this ASU should be applied prospectively to adjustments to provisional amounts that occur after the effective date of this ASU with earlier application permitted for financial statements that have not yet been made available for issuance. The Company does not expect the adoption of this ASU to have a material impact on its consolidated financial statements.

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Summary of Amortized Cost, Gross Unrealized Gains and Losses and Approximate Fair Values of Securities Available for Sale	The amortized cost, gross unrealized gains and losses and approximate fair values of securities available for sale are as follows: Amortized Unrealized Fair September 30, 2015 Cost Gains Losses Value (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ 5,098 $ 130 $ — $ 5,228 U.S. Government agencies and sponsored enterprises mortgage-backed securities 360,892 6,646 278 367,260 State and municipal obligations 2,040 195 — 2,235 Asset-backed securities 502,855 995 4,756 499,094 Corporate bonds and other debt securities 430,503 2,184 6,219 426,468 Preferred stock and other equity securities 171,161 253 3,880 167,534 Total available for sale $ 1,472,549 $ 10,403 $ 15,133 $ 1,467,819 Amortized Unrealized Fair December 31, 2014 Cost Gains Losses Value (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ 6,078 $ 18 $ — $ 6,096 U.S. Government agencies and sponsored enterprises mortgage-backed securities 497,384 5,172 904 501,652 State and municipal obligations 2,039 238 — 2,277 Asset-backed securities 482,969 1,424 6,192 478,201 Corporate bonds and other debt securities 256,155 3,024 496 258,683 Preferred stock and other equity securities 113,367 261 1,439 112,189 Total available for sale $ 1,357,992 $ 10,137 $ 9,031 $ 1,359,098
Schedule of Amortized Cost and Estimated Fair Value of Securities Available for Sale	The amortized cost and estimated fair value of securities available for sale, by contractual maturity, are as follows: Amortized Fair September 30, 2015 Cost Value (Dollars in thousands) Available for sale: Due in one year or less $ 5,000 $ 5,087 Due after one year through five years 83,209 82,394 Due after five years through ten years 77,505 76,346 Due after ten years 266,829 264,876 U.S. Government agencies and sponsored enterprises obligations, mortgage-backed securities and asset-backed securities 868,845 871,582 Preferred stock and other equity securities 171,161 167,534 Total available for sale $ 1,472,549 $ 1,467,819
Summary of Estimated Fair Values and Gross Unrealized Losses on Investment Securities Available for Sale	The following tables present the estimated fair values and gross unrealized losses on investment securities available for sale, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position as of the periods presented: Less than 12 Months 12 Months or More Total September 30, 2015 Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ — $ — $ — $ — $ — $ — U.S. Government agencies and sponsored enterprises mortgage-backed securities 19,128 168 13,476 110 32,604 278 State and municipal obligations — — — — — — Asset-backed securities 269,746 2,776 79,459 1,980 349,205 4,756 Corporate bonds and other debt securities 308,728 6,219 — — 308,728 6,219 Preferred stock and other equity securities 135,801 3,322 19,450 558 155,251 3,880 Total available for sale $ 733,403 $ 12,485 $ 112,385 $ 2,648 $ 845,788 $ 15,133 Less than 12 Months 12 Months or More Total December 31, 2014 Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss (Dollars in thousands) Available for sale: U.S. Government agencies and sponsored enterprises obligations $ — $ — $ — $ — $ — $ — U.S. Government agencies and sponsored enterprises mortgage-backed securities 71,539 330 43,090 574 114,629 904 State and municipal obligations — — — — — — Asset-backed securities 337,123 5,143 31,898 1,049 369,021 6,192 Corporate bonds and other debt securities 78,487 496 — — 78,487 496 Preferred stock and other equity securities 53,064 737 10,606 702 63,670 1,439 Total available for sale $ 540,213 $ 6,706 $ 85,594 $ 2,325 $ 625,807 $ 9,031
Summary of Gross Realized Gains and Losses on Sale of Securities Available for Sale	Gross realized gains and losses on the sale of securities available for sale are shown below. The cost of securities sold is based on the specific identification method. Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Gross realized gains $ 104 $ 3,057 $ 2,065 $ 10,954 Gross realized losses (106 ) (272 ) (1,019 ) (1,284 ) Net realized gains (losses) $ (2 ) $ 2,785 $ 1,046 $ 9,670

Loans, Net (Tables)

Loans, Net (Tables)	9 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Schedule of Loans by Portfolio and Segment	The following tables summarize the Company’s loans by portfolio and segment as of the periods presented, net of deferred fees, costs, premiums and discounts: Covered Loans Non-Covered Loans September 30, 2015 ASC 310-30 Loans Non-ASC 310-30 Loans ASC 310-30 Loans Non-ASC 310-30 Loans New Loans (1) Total (Dollars in thousands) Real estate loans: Commercial real estate $ — $ — $ 259,411 $ 60,804 $ 991,451 $ 1,311,666 Owner-occupied commercial real estate — — — 19,699 452,991 472,690 1-4 single family residential — — 69,915 86,832 1,326,180 1,482,927 Construction, land and development — — 32,996 6,319 430,690 470,005 Home equity loans and lines of credit — — — 50,566 28,185 78,751 Total real estate loans $ — $ — $ 362,322 $ 224,220 $ 3,229,497 $ 3,816,039 Other loans: Commercial and industrial $ — $ — $ 46,233 $ 11,504 $ 925,285 $ 983,022 Consumer — — 2,434 426 4,215 7,075 Total other loans — — 48,667 11,930 929,500 990,097 Total loans held in portfolio $ — $ — $ 410,989 $ 236,150 $ 4,158,997 $ 4,806,136 Allowance for loan losses (27,394 ) Loans held in portfolio, net $ 4,778,742 Covered Loans Non-Covered Loans December 31, 2014 ASC 310-30 Loans Non-ASC 310-30 Loans ASC 310-30 Loans Non-ASC 310-30 Loans New Loans (1) Total (Dollars in thousands) Real estate loans: Commercial real estate $ 155,050 $ 6,202 $ 181,885 $ 63,944 $ 853,074 $ 1,260,155 Owner-occupied commercial real estate — 2,411 — 12,431 281,703 296,545 1-4 single family residential 34,297 7,286 52,011 94,993 922,657 1,111,244 Construction, land and development 19,903 — 46,797 9,729 232,601 309,030 Home equity loans and lines of credit — 10,785 — 43,919 11,826 66,530 Total real estate loans $ 209,250 $ 26,684 $ 280,693 $ 225,016 $ 2,301,861 $ 3,043,504 Other loans: Commercial and industrial $ 32,531 $ 4,308 $ 34,967 $ 9,240 $ 795,000 $ 876,046 Consumer 557 36 2,246 645 6,556 10,040 Total other loans 33,088 4,344 37,213 9,885 801,556 886,086 Total loans held in portfolio $ 242,338 $ 31,028 $ 317,906 $ 234,901 $ 3,103,417 $ 3,929,590 Allowance for loan losses (22,880 ) Loans held in portfolio, net $ 3,906,710 (1) Balance includes $4.3 million and $3.6 million of deferred fees, costs, premiums and discounts as of September 30, 2015 and December 31, 2014, respectively.
Summary of Changes in Accretable Discount for ASC 310-30 Loans	Changes in accretable discount for ASC 310-30 loans for the nine months ended September 30, 2015 and 2014 were as follows: Nine Months Ended September 30, 2015 2014 (Dollars in thousands) Balance at January 1, $ 156,197 $ 148,501 Additions to accretable discount from GFB acquisition — 40,444 Accretion (38,273 ) (46,956 ) Reclassifications from non-accretable difference 28,638 19,543 Balance at September 30, $ 146,562 $ 161,532

Allowance for Loan Losses (Tabl

Allowance for Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Summary of Changes in Allowance for Loan Losses by Loan Class and Portfolio Segment	Changes in the ALL by loan portfolio and segment for the three and nine months ended September 30, 2015 and 2014 are as follows: Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at July 1, 2015 $ 9,652 $ 1,548 $ 5,744 $ 3,024 $ 563 $ 6,059 $ 456 $ 27,046 Provision (credit) for ASC 310-30 loans (791 ) — (38 ) (310 ) — (67 ) 30 (1,176 ) Provision (credit) for non-ASC 310-30 loans (110 ) 14 11 (20 ) 74 41 6 16 Provision (credit) for New loans (390 ) 45 203 251 41 1,712 (27 ) 1,835 Total provision (1,291 ) 59 176 (79 ) 115 1,686 9 675 Charge-offs for ASC 310-30 loans (65 ) — (224 ) — — (57 ) — (346 ) Charge-offs for non-ASC 310-30 loans — — — — (37 ) — (8 ) (45 ) Charge-offs for New loans — — — — — — — — Total charge-offs (65 ) — (224 ) — (37 ) (57 ) (8 ) (391 ) Recoveries for ASC 310-30 loans — — 18 18 — 23 — 59 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 5 — 5 Total recoveries — — 18 18 — 28 — 64 Ending ALL balance ASC 310-30 loans 1,729 — 26 501 — 1,032 417 3,705 Non-ASC 310-30 loans 1,265 68 346 36 469 82 4 2,270 New loans 5,302 1,539 5,342 2,426 172 6,602 36 21,419 Balance at September 30, 2015 $ 8,296 $ 1,607 $ 5,714 $ 2,963 $ 641 $ 7,716 $ 457 $ 27,394 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at July 1, 2014 $ 6,354 $ 806 $ 2,426 $ 1,935 $ 113 $ 5,924 $ 326 $ 17,884 Provision (credit) for ASC 310-30 loans 785 — — (1 ) — (290 ) (9 ) 485 Provision (credit) for non-ASC 310-30 loans 109 16 144 29 264 15 1 578 Provision (credit) for New loans 221 90 1,015 137 7 273 (1 ) 1,742 Total provision 1,115 106 1,159 165 271 (2 ) (9 ) 2,805 Charge-offs for ASC 310-30 loans — — — 1 — (93 ) (10 ) (102 ) Charge-offs for non-ASC 310-30 loans — — — — (173 ) — — (173 ) Charge-offs for New loans — — — — — — — — Total charge-offs — — — 1 (173 ) (93 ) (10 ) (275 ) Recoveries for ASC 310-30 loans 24 — — — — — 1 25 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 1 — 1 Total recoveries 24 — — — — 1 1 26 Ending ALL balance ASC 310-30 loans 3,692 — 207 660 — 976 280 5,815 Non-ASC 310-30 loans 117 23 151 29 123 21 4 468 New loans 3,684 889 3,227 1,412 88 4,833 24 14,157 Balance at September 30, 2014 $ 7,493 $ 912 $ 3,585 $ 2,101 $ 211 $ 5,830 $ 308 $ 20,440 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at January 1, 2015 $ 8,206 $ 1,020 $ 4,740 $ 2,456 $ 355 $ 5,745 $ 358 $ 22,880 Provision (credit) for ASC 310-30 loans (1,656 ) — (37 ) (508 ) — 52 187 (1,962 ) Provision (credit) for non-ASC 310-30 loans 770 10 60 (39 ) 221 33 6 1,061 Provision (credit) for New loans 846 577 1,341 703 102 1,852 (26 ) 5,395 Total provision (40 ) 587 1,364 156 323 1,937 167 4,494 Charge-offs for ASC 310-30 loans (270 ) — (431 ) (56 ) — (132 ) (60 ) (949 ) Charge-offs for non-ASC 310-30 loans — — (128 ) — (37 ) — (8 ) (173 ) Charge-offs for New loans — — — — — — — — Total charge-offs (270 ) — (559 ) (56 ) (37 ) (132 ) (68 ) (1,122 ) Recoveries for ASC 310-30 loans 400 — 169 407 — 154 — 1,130 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 12 — 12 Total recoveries 400 — 169 407 — 166 — 1,142 Ending ALL balance ASC 310-30 loans 1,729 — 26 501 — 1,032 417 3,705 Non-ASC 310-30 loans 1,265 68 346 36 469 82 4 2,270 New loans 5,302 1,539 5,342 2,426 172 6,602 36 21,419 Balance at September 30, 2015 $ 8,296 $ 1,607 $ 5,714 $ 2,963 $ 641 $ 7,716 $ 457 $ 27,394 Commercial Owner- 1- 4 Single Construction, Development Home Equity Loans and Lines of Credit Commercial Industrial Consumer Total (Dollars in thousands) Balance at January 1, 2014 $ 4,458 $ 376 $ 1,443 $ 1,819 $ 265 $ 6,198 $ 174 $ 14,733 Provision (credit) for ASC 310-30 loans 976 — 152 132 — (1,161 ) 223 322 Provision (credit) for non-ASC 310-30 loans 112 18 99 29 260 39 33 590 Provision (credit) for New loans 1,906 518 1,921 578 (38 ) 1,327 7 6,219 Total provision 2,994 536 2,172 739 222 205 263 7,131 Charge-offs for ASC 310-30 loans (74 ) — (30 ) (1,244 ) — (203 ) (101 ) (1,652 ) Charge-offs for non-ASC 310-30 loans — — — — (276 ) (24 ) (29 ) (329 ) Charge-offs for New loans — — — — — (348 ) — (348 ) Total charge-offs (74 ) — (30 ) (1,244 ) (276 ) (575 ) (130 ) (2,329 ) Recoveries for ASC 310-30 loans 115 — — 787 — 1 1 904 Recoveries for non-ASC 310-30 loans — — — — — — — — Recoveries for New loans — — — — — 1 — 1 Total recoveries 115 — — 787 — 2 1 905 Ending ALL balance ASC 310-30 loans 3,692 — 207 660 — 976 280 5,815 Non-ASC 310-30 loans 117 23 151 29 123 21 4 468 New loans 3,684 889 3,227 1,412 88 4,833 24 14,157 Balance at September 30, 2014 $ 7,493 $ 912 $ 3,585 $ 2,101 $ 211 $ 5,830 $ 308 $ 20,440
Summary of Aging Analysis of Recorded Investment for Loans by Portfolio and Segment	The following tables present an aging analysis of the recorded investment of delinquent loans by portfolio and segment (excluding loans accounted for under ASC 310-30): Accruing September 30, 2015 30 to 59 60 to 89 90 Days Non-Accrual Total (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — 2,354 — 455 2,809 Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans — 2,354 — 455 2,809 Other loans: Commercial and industrial — — — 14 14 Consumer — — — — — Total other loans — — — 14 14 Total new loans $ — $ 2,354 $ — $ 469 $ 2,823 Acquired loans: Real estate loans: Commercial real estate $ — $ — $ — $ 5,456 $ 5,456 Owner-occupied commercial real estate — — — 4 4 1-4 single family residential — 99 — 2,900 2,999 Construction, land and development — — — — — Home equity loans and lines of credit 610 620 — 2,367 3,597 Total real estate loans 610 719 — 10,727 12,056 Other loans: Commercial and industrial 233 — — 2,799 3,032 Consumer 22 13 — — 35 Total other loans 255 13 — 2,799 3,067 Total acquired loans $ 865 $ 732 $ — $ 13,526 $ 15,123 Accruing December 31, 2014 30 to 59 60 to 89 90 Days Non-Accrual Total (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential 6,206 727 — 116 7,049 Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans 6,206 727 — 116 7,049 Other loans: Commercial and industrial — — — — — Consumer — — — — — Total other loans — — — — — Total new loans $ 6,206 $ 727 $ — $ 116 $ 7,049 Acquired Loans: Real estate loans: Commercial real estate $ — $ — $ — $ 4,866 $ 4,866 Owner-occupied commercial real estate — — — 211 211 1-4 single family residential 1,877 86 — 1,766 3,729 Construction, land and development — — — — — Home equity loans and lines of credit 384 456 — 3,005 3,845 Total real estate loans 2,261 542 — 9,848 12,651 Other loans: Commercial and industrial — 192 — 1,222 1,414 Consumer 14 — — — 14 Total other loans 14 192 — 1,222 1,428 Total acquired loans $ 2,275 $ 734 $ — $ 11,070 $ 14,079
Summary of Commercial Non-ASC 310-30 and New Loans by Key Indicators of Credit Quality	The following table summarizes the Company’s commercial Non-ASC 310-30 and New loans by key indicators of credit quality. Loans accounted for under ASC 310-30 are excluded from the following analysis because their related allowance is determined by loan pool performance: September 30, 2015 Pass Special Substandard Doubtful (Dollars in thousands) New loans: Commercial real estate $ 991,451 $ — $ — $ — Owner-occupied commercial real estate 452,991 — — — Construction, land and development 430,690 — — — Commercial and industrial 925,271 — 14 — Total new loans $ 2,800,403 $ — $ 14 $ — Acquired loans: Commercial real estate $ 54,970 $ — $ 5,834 $ — Owner-occupied commercial real estate 19,695 — 4 — Construction, land and development 6,319 — — — Commercial and industrial 6,853 1,482 3,169 — Total aquired loans $ 87,837 $ 1,482 $ 9,007 $ — December 31, 2014 Pass Special Substandard Doubtful (Dollars in thousands) New loans: Commercial real estate $ 853,044 $ — $ 30 $ — Owner-occupied commercial real estate 281,703 — — — Construction, land and development 232,601 — — — Commercial and industrial 795,000 — — — Total new loans $ 2,162,348 $ — $ 30 $ — Acquired loans: Commercial real estate $ 65,173 $ 107 $ 4,866 $ — Owner-occupied commercial real estate 13,822 421 599 — Construction, land and development 9,729 — — — Commercial and industrial 9,184 2,147 2,217 — Total acquired loans $ 97,908 $ 2,675 $ 7,682 $ —
Summary of Loans Based on Method for Determining Allowance	The following table shows the Company’s investment in loans disaggregated based on the method of evaluating impairment: Loans—Recorded Investment Allowance for Credit Loss September 30, 2015 Individually Collectively ASC 310- Individually Collectively ASC (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ 991,451 $ — $ — $ 5,302 $ — Owner-occupied commercial real estate — 452,991 — — 1,539 — 1-4 single family residential — 1,326,180 — — 5,342 — Construction, land and development — 430,690 — — 2,426 — Home equity loans and lines of credit — 28,185 — — 172 — Total real estate loans $ — $ 3,229,497 $ — $ — $ 14,781 $ — Other loans Commercial and industrial $ — $ 925,285 $ — $ — $ 6,602 $ — Consumer — 4,215 — — 36 — Total other loans $ — $ 929,500 $ — $ — $ 6,638 $ — Acquired loans: Real estate loans: Commercial real estate $ 4,991 $ 55,813 $ 259,411 $ 996 $ 269 $ 1,729 Owner-occupied commercial real estate — 19,699 — — 68 — 1-4 single family residential — 86,832 69,915 — 346 26 Construction, land and development — 6,319 32,996 — 36 501 Home equity loans and lines of credit 941 49,625 — 172 297 — Total real estate loans $ 5,932 $ 218,288 $ 362,322 $ 1,168 $ 1,016 $ 2,256 Other loans Commercial and industrial $ 535 $ 10,969 $ 46,233 $ — $ 82 $ 1,032 Consumer — 426 2,434 — 4 417 Total other loans $ 535 $ 11,395 $ 48,667 $ — $ 86 $ 1,449 Loans - Recorded Investment Allowance for Credit Loss December 31, 2014 Individually Collectively ASC 310- Individually Collectively ASC (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ 853,074 $ — $ — $ 4,456 $ — Owner-occupied commercial real estate — 281,703 — — 962 — 1-4 single family residential — 922,657 — — 4,001 — Construction, land and development — 232,601 — — 1,723 — Home equity loans and lines of credit — 11,826 — — 70 — Total real estate loans $ — $ 2,301,861 $ — $ — $ 11,212 $ — Other loans Commercial and industrial $ — $ 795,000 $ — $ — $ 4,738 $ — Consumer — 6,556 — — 62 — Total other loans $ — $ 801,556 $ — $ — $ 4,800 $ — Acquired Loans: Real estate loans: Commercial real estate $ 4,754 $ 65,392 $ 336,935 $ 174 $ 321 $ 3,255 Owner-occupied commercial real estate — 14,842 — — 58 — 1-4 single family residential — 102,279 86,308 — 414 325 Construction, land and development — 9,729 66,700 — 75 658 Home equity loans and lines of credit — 54,704 — — 285 — Total real estate loans $ 4,754 $ 246,946 $ 489,943 $ 174 $ 1,153 $ 4,238 Other loans Commercial and industrial $ — $ 13,548 $ 67,498 $ — $ 49 $ 958 Consumer — 681 2,803 — 6 290 Total other loans $ — $ 14,229 $ 70,301 $ — $ 55 $ 1,248
Summary of Company's Impaired Loans Evaluated for Specific Reserves	The following tables set forth certain information regarding the Company’s impaired loans (excluding loans accounted for under ASC 310-30) that were evaluated for specific reserves: Impaired Loans - With Allowance Impaired Loans - With no September 30, 2015 Recorded Unpaid Related Recorded Unpaid (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ — $ — $ — $ — $ — Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ — Acquired loans: Real estate loans: Commercial real estate $ 4,722 $ 5,049 $ 996 $ 269 $ 288 Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit 421 494 172 520 548 Total real estate loans $ 5,143 $ 5,543 $ 1,168 $ 789 $ 836 Other loans Commercial and industrial $ — $ — $ — $ 535 $ 750 Consumer — — — — — Total other loans $ — $ — $ — $ 535 $ 750 Impaired Loans - With Allowance Impaired Loans - With no Allowance December 31, 2014 Recorded Investment Unpaid Principal Balance Related Allowance Recorded Unpaid Principal Balance (Dollars in thousands) New loans: Real estate loans: Commercial real estate $ — $ — $ — $ — $ — Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ — $ — $ — $ — $ — Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ — Acquired loans: Real estate loans: Commercial real estate $ 354 $ 354 $ 174 $ 4,400 $ 4,595 Owner-occupied commercial real estate — — — — — 1-4 single family residential — — — — — Construction, land and development — — — — — Home equity loans and lines of credit — — — — — Total real estate loans $ 354 $ 354 $ 174 $ 4,400 $ 4,595 Other loans Commercial and industrial $ — $ — $ — $ — $ — Consumer — — — — — Total other loans $ — $ — $ — $ — $ —
Summary of Impaired Loans Average Recorded Investment and Interest Income Recognized	Three Months Ended September 30, 2015 2014 Average Interest Average Interest (Dollars in thousands) Impaired loans with no related allowance: Real estate loans: Commercial real estate $ 231 $ — $ — $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 523 — 184 — Total real estate loans $ 754 $ — $ 184 $ — Other loans: Commercial and industrial $ 547 $ — $ — $ — Consumer — — — — Total other loans $ 547 $ — $ — $ — Impaired loans with an allowance: Real estate loans: Commercial real estate $ 4,734 $ — $ 4,624 $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 424 — — — Total real estate loans $ 5,158 $ — $ 4,624 $ — Other loans: Commercial and industrial $ — $ — $ — $ — Consumer — — — — Total other loans $ — $ — $ — $ — Nine Months Ended September 30, 2015 2014 Average Interest Average Interest (Dollars in thousands) Impaired loans with no related allowance: Real estate loans: Commercial real estate $ 151 $ — $ — $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 527 — 184 — Total real estate loans $ 678 $ — $ 184 $ — Other loans: Commercial and industrial $ 542 $ — $ — $ — Consumer — — — — Total other loans $ 542 $ — $ — $ — Impaired loans with an allowance: Real estate loans: Commercial real estate $ 4,843 $ — $ 4,687 $ — Owner-occupied commercial real estate — — — — 1-4 single family residential — — — — Construction, land and development — — — — Home equity loans and lines of credit 436 — — — Total real estate loans $ 5,279 $ — $ 4,687 $ — Other loans: Commercial and industrial $ — $ — $ — $ — Consumer — — — — Total other loans $ — $ — $ — $ —

Covered Assets and Loss Shari26

Covered Assets and Loss Sharing Agreements (Tables)	9 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Summary of Carrying Value of Assets Covered by Loss Sharing Agreements	The following table summarizes the carrying value of assets covered by the loss sharing agreements: September 30, December 31, (Dollars in thousands) Loans, excluding allowance for loan losses $ — $ 273,366 OREO — 25,130 Total Covered Assets $ — $ 298,496
Summary of Changes in Loss Share Indemnification Asset	Changes in the loss share indemnification asset for the periods presented were as follows: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Balance at beginning of period $ — $ 74,853 $ 63,168 $ 87,229 Termination of FDIC loss sharing agreements — — (63,168 ) — Reimbursable expenses — 648 — 3,801 Amortization — (6,272 ) — (17,677 ) Income resulting from impairment and charge-off of covered assets, net — 1,474 — 2,680 Expense resulting from recoupment and disposition of covered assets, net — (678 ) — (3,101 ) FDIC claims submissions — (105 ) — (3,012 ) Balance at end of period $ — $ 69,920 $ — $ 69,920
Summary of Changes in Clawback Liability Included Other Liabilities	The following table summarizes the changes in the clawback liability, included in other liabilities, for the periods presented: Three Months Ended Nine Months Ended 2015 2014 2015 2014 (Dollars in thousands) Balance at beginning of period $ — $ 12,525 $ 13,846 $ 11,753 Termination of FDIC loss sharing agreements — — (13,846 ) — Amortization impact — 190 — 547 Remeasurement impact — 842 — 1,257 Balance at end of period $ — $ 13,557 $ — $ 13,557

Derivatives (Tables)

Derivatives (Tables)	9 Months Ended
	Sep. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Summary of Derivatives Outstanding Included in Other Assets and Liabilities	The following tables summarize the Company’s derivatives outstanding included in other assets and other liabilities in the accompanying consolidated balance sheets: September 30, 2015 Derivative Assets Derivative Liabilities Notional Fair Value Notional Fair Value (Dollars in thousands) Derivatives not designated as hedging instruments under ASC 815-10 Interest rate contracts—pay floating, receive fixed $ 614,353 $ 27,143 $ 8,298 $ 3 Interest rate contracts—pay fixed, receive floating — — 622,651 27,140 Total derivatives $ 614,353 $ 27,143 $ 630,949 $ 27,143 December 31, 2014 Derivative Assets Derivative Liabilities Notional Fair Value Notional Fair Value (Dollars in thousands) Derivatives not designated as hedging instruments under ASC 815-10 Interest rate contracts—pay floating, receive fixed $ 464,890 $ 14,328 $ 8,298 $ 39 Interest rate contracts—pay fixed, receive floating — — 473,188 14,289 Total derivatives $ 464,890 $ 14,328 $ 481,486 $ 14,328
Summary of Gross and Net Fair Values of Derivatives Outstanding Included in Other Liabilities	The following table summarizes the gross and net fair values of the Company’s derivatives outstanding with this counterparty included in other liabilities in the accompanying consolidated balance sheets: September 30, 2015 Gross of liabilities Gross offset in the consolidated balance Net amounts in the consolidated balance (Dollars in thousands) Offsetting derivative liabilities Counterparty A—Interest rate contracts $ 27,143 $ (3 ) $ 27,140 Total $ 27,143 $ (3 ) $ 27,140 December 31, 2014 Gross of liabilities Gross offset in the consolidated balance Net amounts in the consolidated balance (Dollars in thousands) Offsetting derivative liabilities Counterparty A—Interest rate contracts $ 14,328 $ (39 ) $ 14,289 Total $ 14,328 $ (39 ) $ 14,289

Deposits (Tables)

Deposits (Tables)	9 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Summary of Company's Deposits by Category	The following table sets forth the Company’s deposits by category: September 30, December 31, (Dollars in thousands) Noninterest-bearing demand deposits $ 618,741 $ 593,025 Interest-bearing demand deposits 404,085 122,380 Interest-bearing NOW accounts 350,602 374,399 Savings and money market accounts 1,923,723 1,811,878 Time deposits 1,524,693 1,076,853 Total deposits $ 4,821,844 $ 3,978,535 Time deposits $100,000 and greater $ 1,051,929 $ 689,439 Time deposits greater than $250,000 435,345 226,895

Accumulated Other Comprehensi29

Accumulated Other Comprehensive Income (Tables)	9 Months Ended
	Sep. 30, 2015
Equity [Abstract]
Schedule of Changes in Accumulated Other Comprehensive Income	Changes in AOCI for the periods indicated are summarized as follows: Three Months Ended September 30, 2015 2014 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax (Dollars in thousands) Balance at beginning of period $ 127 $ (49 ) $ 78 $ 13,313 $ (5,136 ) $ 8,177 Unrealized gain (loss) on investment securities available for sale: Net unrealized holdings gain (loss) arising during the period (4,625 ) 1,784 (2,841 ) (12,962 ) 5,001 (7,961 ) Amounts reclassified to (gain) loss on investment securities (232 ) 90 (142 ) (2,121 ) 818 (1,303 ) Balance at end of period $ (4,730 ) $ 1,825 $ (2,905 ) $ (1,770 ) $ 683 $ (1,087 ) Nine Months Ended September 30, 2015 2014 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax (Dollars in thousands) Balance at beginning of period $ 1,106 $ (427 ) $ 679 $ (2,565 ) $ 990 $ (1,575 ) Unrealized gain (loss) on investment securities available for sale: Net unrealized holdings gain (loss) arising during the period (3,325 ) 1,283 (2,042 ) 6,753 (2,605 ) 4,148 Amounts reclassified to (gain) loss on investment securities (2,511 ) 969 (1,542 ) (5,958 ) 2,298 (3,660 ) Balance at end of period $ (4,730 ) $ 1,825 $ (2,905 ) $ (1,770 ) $ 683 $ (1,087 )

Basic and Diluted Earnings Pe30

Basic and Diluted Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Computation of Basic and Diluted Earnings Per Share	The following table presents the computation of basic and diluted EPS: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands, except share and per share data) Net income (loss) available to common stockholders $ 21,140 $ (3,422 ) $ 23,642 $ 9,272 Weighted average number of common shares—basic 41,381,482 38,952,127 41,410,494 36,923,354 Effect of dilutive securities: Employee stock-based compensation awards and warrants 2,416,896 — 1,702,453 171,236 Weighted average number of common shares—diluted 43,798,378 38,952,127 43,112,947 37,094,590 Basic earnings (loss) per share $ 0.51 $ (0.09 ) $ 0.57 $ 0.25 Diluted earnings (loss) per share $ 0.48 $ (0.09 ) $ 0.55 $ 0.25 Anti-dilutive warrants, stock options and RSUs 120,500 9,534,756 531,610 8,378,217

Stock-Based Compensation and 31

Stock-Based Compensation and Other Benefit Plans (Tables)	9 Months Ended
	Sep. 30, 2015
2009 Option Plan [Member]
Schedule of Option Activity	Option grant activities for the periods indicated are summarized as follows: 2009 Option Plan Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Outstanding at beginning of period 4,074,583 3,686,000 4,135,250 3,688,500 Granted — 391,500 — 631,500 Exercised (272,671 ) — (309,506 ) — Forfeited (750 ) (5,166 ) (24,081 ) (19,332 ) Expired — — (501 ) (228,334 ) Outstanding at end of period 3,801,162 4,072,334 3,801,162 4,072,334
2013 Stock Incentive Plan [Member]
Schedule of Option Activity	Option grant activities for the periods indicated are summarized as follows: 2013 Option Plan Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (Dollars in thousands) Outstanding at beginning of period 2,400,000 2,170,500 2,170,500 2,173,000 Granted — — 249,500 — Exercised (26,313 ) — (32,979 ) — Forfeited — — (13,334 ) (2,500 ) Expired — — — — Outstanding at end of period 2,373,687 2,170,500 2,373,687 2,170,500

Commitments and Contingencies (

Commitments and Contingencies (Tables)	9 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Summary of Unfunded Commitments	Unfunded commitments are as follows: September 30, December 31, (Dollars in thousands) Commitments to fund loans $ 508,721 $ 351,369 Unused lines of credit 248,385 199,880 Commercial and standby letters of credit 14,515 10,223 Total $ 771,621 $ 561,472

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following table presents the assets and liabilities measured at fair value on a recurring basis: September 30, 2015 Level 1 Level 2 Level 3 Total (Dollars in thousands) Assets: U.S. Government agencies and sponsored enterprises obligations $ — $ 5,228 $ — $ 5,228 U.S. Government agencies and sponsored enterprises mortgage-backed securities — 367,260 — 367,260 State and municipal obligations — 2,235 — 2,235 Asset-backed securities — 499,094 — 499,094 Corporate bonds and other debt securities — 426,468 — 426,468 Preferred stocks and other equity securities 2,064 165,470 — 167,534 Derivative assets—Interest rate contracts — 27,143 — 27,143 Total $ 2,064 $ 1,492,898 $ — $ 1,494,962 Liabilities: Derivative liabilities—Interest rate contracts $ — $ 27,143 $ — $ 27,143 Clawback liability — — — — Total $ — $ 27,143 $ — $ 27,143 December 31, 2014 Level 1 Level 2 Level 3 Total (Dollars in thousands) Assets: U.S. Government agencies and sponsored enterprises obligations $ — $ 6,096 $ — $ 6,096 U.S. Government agencies and sponsored enterprises mortgage-backed securities — 501,652 — 501,652 State and municipal obligations — 2,277 — 2,277 Asset-backed securities — 478,201 — 478,201 Corporate bonds and other debt securities — 258,683 — 258,683 Preferred stocks and other equity securities 23,594 88,595 — 112,189 Derivative assets—Interest rate contracts — 14,328 — 14,328 Total $ 23,594 $ 1,349,832 $ — $ 1,373,426 Liabilities: Derivative liabilities—Interest rate contracts $ — $ 14,328 $ — $ 14,328 Clawback liability — — 13,846 13,846 Total $ — $ 14,328 $ 13,846 $ 28,174
Schedule of Changes in Fair Value of Liabilities Measured at Fair Value on Recurring Basis and Classified in Level 3 of Fair Value Hierarchy for Periods Presented	The following tables reconcile changes in the fair value of liabilities measured at fair value on a recurring basis and classified in level 3 of the fair value hierarchy for the periods presented: Three Months Ended September 30, 2015 2014 Clawback Liability EAAs Clawback Liability EAAs (Dollars in thousands) Balance at beginnning of period $ — $ — $ 12,525 $ 1,814 Losses (gains) included in other noninterest expenses — — 1,032 766 Termination of FDIC loss sharing agreements — — — — Final EAA settlement on FCB — — — (1,458 ) Final EAA settlement on PAB — — — (1,122 ) Balance at end of period $ — $ — $ 13,557 $ — Nine Months Ended September 30, 2015 2014 Clawback Liability EAAs Clawback Liability EAAs (Dollars in thousands) Balance at beginnning of period $ 13,846 $ — $ 11,753 $ 1,114 Losses (gains) included in other noninterest expenses — — 1,804 1,466 Termination of FDIC loss sharing agreements (13,846 ) — — — Final EAA settlement on FCB — — — (1,458 ) Final EAA settlement on PAB — — — (1,122 ) Balance at end of period $ — $ — $ 13,557 $ —
Significant Unobservable Inputs in Fair Value Measurement Level 3 Assets and Liabilities	The following table shows significant unobservable inputs used in the non-recurring fair value measurement of level 3 assets and liabilities: Level 3 Asset Fair value Valuation Technique Unobservable Inputs Range (Dollars in thousands) Non-recurring: Loans $ 4,847,857 Third party appraisals and discounted cash flows Collateral discounts and discount rates 0% - 100 % Other real estate owned 40,405 Third party appraisals Collateral discounts and estimated cost to sell 10 %
Summary of Fair Value Measurements Related to Collateral Dependent Impaired Loans and OREO are Classified within Level 3 of the Fair Value Hierarchy	The following tables provide information about certain assets measured at fair value on a non-recurring basis: September 30, December 31, (Dollars in thousands) Assets that are still held (classified in Level 3): Impaired loans $ 6,467 $ 4,754 Foreclosed real estate 40,405 74,527 Three Months Ended Nine Months Ended 2015 2014 2015 2014 (Dollars in thousands) Negative valuation adjustments: Impaired loans $ — $ 4 $ 1,011 $ 4 Foreclosed real estate 122 958 242 1,690
Schedule of Carrying Amounts and Estimated Fair Values, as well as the Level within the Fair Value Hierarchy	The carrying amounts and estimated fair values, as well as the level within the fair value hierarchy, of the Company’s financial instruments are as follows: September 30, 2015 Carrying Fair Level 1 Level 2 Level 3 (Dollars in thousands) Financial Assets: Cash and cash equivalents $ 84,759 $ 84,759 $ 84,759 $ — $ — Available for sale securities 1,467,819 1,467,819 2,064 1,465,755 — FHLB and other bank stock 65,955 65,955 — 65,955 — Loans, net 4,778,742 4,847,857 — — 4,847,857 Loans held for sale 2,573 2,573 — 2,573 — Loss share indemnification asset — — — — — Due from FDIC — — — — — Bank-owned life insurance 166,931 166,931 — 166,931 — Derivative assets—Interest rate contracts 27,143 27,143 — 27,143 — Financial Liabilities: Deposits $ 4,821,844 $ 4,825,458 $ — $ 4,825,458 $ — Advances from the FHLB and other borrowings 1,149,920 1,150,326 — 1,150,326 — Derivative liabilities—Interest rate contracts 27,143 27,143 — 27,143 — Clawback liability — — — — — December 31, 2014 Carrying Fair Level 1 Level 2 Level 3 (Dollars in thousands) Financial Assets: Cash and cash equivalents $ 107,085 $ 107,085 $ 107,085 $ — $ — Available for sale securities 1,359,098 1,359,098 23,594 1,335,504 — FHLB and other bank stock 66,891 66,891 — 66,891 — Loans, net 3,906,710 3,959,771 — — 3,959,771 Loans held for sale 707 707 — 707 — Loss share indemnification asset 63,168 27,976 — — 27,976 Due from FDIC 1,735 1,735 — 1,735 — Bank-owned life insurance 139,829 139,829 — 139,829 — Derivative assets—Interest rate contracts 14,328 14,328 — 14,328 — Financial Liabilities: Deposits $ 3,978,535 $ 3,977,629 $ — $ 3,977,629 $ — Advances from the FHLB and other borrowings 1,067,981 1,066,764 — 1,066,764 — Derivative liabilities—Interest rate contracts 14,328 14,328 — 14,328 — Clawback liability 13,846 13,846 — — 13,846

Summary of Significant Accoun34

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2015SubsidiaryBankingCenters	Dec. 31, 2014USD ($)
Schedule Of Significant Accounting Policies [Line Items]
Number of Banking centers | BankingCenters	49
Number of wholly owned subsidiary | Subsidiary	1
FDIC Loss Share Indemnification Loss [Member]
Schedule Of Significant Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 6.6
Settlement of Investment Securities [Member]
Schedule Of Significant Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		11.9
Reclassification from Investing to Operating Activities [Member] | Accretion Income on Acquired Loans [Member]
Schedule Of Significant Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 22.8

Investment Securities - Summary

Investment Securities - Summary of Amortized Cost, Gross Unrealized Gains and Losses and Approximate Fair Values of Securities Available for Sale (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	$ 1,472,549	$ 1,357,992
Available for sale securities, Unrealized Gains	10,403	10,137
Available for sale securities, Unrealized Losses	15,133	9,031
Available for sale securities, Fair Value	1,467,819	1,359,098
U.S. Government Agencies and Sponsored Enterprises Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	5,098	6,078
Available for sale securities, Unrealized Gains	130	18
Available for sale securities, Fair Value	5,228	6,096
U.S. Government Agencies and Sponsored Enterprises Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	360,892	497,384
Available for sale securities, Unrealized Gains	6,646	5,172
Available for sale securities, Unrealized Losses	278	904
Available for sale securities, Fair Value	367,260	501,652
State and Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	2,040	2,039
Available for sale securities, Unrealized Gains	195	238
Available for sale securities, Fair Value	2,235	2,277
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	502,855	482,969
Available for sale securities, Unrealized Gains	995	1,424
Available for sale securities, Unrealized Losses	4,756	6,192
Available for sale securities, Fair Value	499,094	478,201
Corporate Bonds and Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	430,503	256,155
Available for sale securities, Unrealized Gains	2,184	3,024
Available for sale securities, Unrealized Losses	6,219	496
Available for sale securities, Fair Value	426,468	258,683
Preferred Stock and Other Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Amortized Cost	171,161	113,367
Available for sale securities, Unrealized Gains	253	261
Available for sale securities, Unrealized Losses	3,880	1,439
Available for sale securities, Fair Value	$ 167,534	$ 112,189

Investment Securities - Additio

Investment Securities - Additional Information (Detail) $ in Millions	Sep. 30, 2015USD ($)Securities	Dec. 31, 2014USD ($)
Investments, Debt and Equity Securities [Abstract]
Carrying value of pledged securities | $	$ 639.9	$ 685.3
Security portfolio consisted	299
Securities were in an unrealized loss position	153
Unrealized loss position for less than 12 months	128

Investment Securities - Schedul

Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Securities Available for Sale (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Amortized Cost and Fair Value Debt Securities [Abstract]
Available for sale, Due in one year or less at Amortized Cost	$ 5,000
Available for sale, Due after one year through five years at Amortized Cost	83,209
Available for sale, Due after five years through ten years at Amortized Cost	77,505
Available for sale, Due after ten years at Amortized Cost	266,829
U.S. Government agencies and sponsored enterprises obligations, mortgage-backed securities and asset-backed securities, Amortized Cost	868,845
Preferred stock and other equity securities, Amortized Cost	171,161
Available for sale securities, Amortized Cost	1,472,549	$ 1,357,992
Available for sale securities, Due in one year or less at Fair Value	5,087
Available for sale securities, Due after one year through five years at Fair Value	82,394
Available for sale securities, Due after five years through ten years at Fair Value	76,346
Available for sale securities, Due after ten years at Fair Value	264,876
U.S. Government agencies and sponsored enterprises obligations, mortgage-backed securities and asset-backed securities, Fair Value	871,582
Preferred stock and other equity securities, Fair Value	167,534
Total available for sale, Fair Value	$ 1,467,819	$ 1,359,098

Investment Securities - Summa38

Investment Securities - Summary of Estimated Fair Values and Gross Unrealized Losses on Investment Securities Available for Sale (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities at Fair Value, Less than 12 months	$ 733,403	$ 540,213
Available for sale securities Unrealized Loss, Less than 12 Months	12,485	6,706
Available for sale securities at Fair Value, 12 months or more	112,385	85,594
Available for sale securities Unrealized Loss, 12 months or more	2,648	2,325
Available for sale securities, Total Fair Value	845,788	625,807
Available for sale securities, Total Unrealized Loss	15,133	9,031
U.S. Government Agencies and Sponsored Enterprises Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities at Fair Value, Less than 12 months	19,128	71,539
Available for sale securities Unrealized Loss, Less than 12 Months	168	330
Available for sale securities at Fair Value, 12 months or more	13,476	43,090
Available for sale securities Unrealized Loss, 12 months or more	110	574
Available for sale securities, Total Fair Value	32,604	114,629
Available for sale securities, Total Unrealized Loss	278	904
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities at Fair Value, Less than 12 months	269,746	337,123
Available for sale securities Unrealized Loss, Less than 12 Months	2,776	5,143
Available for sale securities at Fair Value, 12 months or more	79,459	31,898
Available for sale securities Unrealized Loss, 12 months or more	1,980	1,049
Available for sale securities, Total Fair Value	349,205	369,021
Available for sale securities, Total Unrealized Loss	4,756	6,192
Corporate Bonds and Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities at Fair Value, Less than 12 months	308,728	78,487
Available for sale securities Unrealized Loss, Less than 12 Months	6,219	496
Available for sale securities, Total Fair Value	308,728	78,487
Available for sale securities, Total Unrealized Loss	6,219	496
Preferred Stock and Other Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities at Fair Value, Less than 12 months	135,801	53,064
Available for sale securities Unrealized Loss, Less than 12 Months	3,322	737
Available for sale securities at Fair Value, 12 months or more	19,450	10,606
Available for sale securities Unrealized Loss, 12 months or more	558	702
Available for sale securities, Total Fair Value	155,251	63,670
Available for sale securities, Total Unrealized Loss	$ 3,880	$ 1,439

Investment Securities - Summa39

Investment Securities - Summary of Gross Realized Gains and Losses on Sale of Securities Available for Sale (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]
Gross realized gains	$ 104	$ 3,057	$ 2,065	$ 10,954
Gross realized losses	(106)	(272)	(1,019)	(1,284)
Net realized gains (losses)	$ (2)	$ 2,785	$ 1,046	$ 9,670

Loans, Net - Schedule of Loans

Loans, Net - Schedule of Loans by Portfolio and Segment (Detail) - USD ($) $ in Thousands		Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	$ 4,158,997		$ 3,103,417
Total loans held in portfolio, net of discount, premium and deferred fees and costs		4,806,136		3,929,590
Allowance for loan losses		(27,394)	$ (27,046)	(22,880)	$ (20,440)	$ (17,884)	$ (14,733)
Loans, net		4,778,742		3,906,710
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(8,296)	(9,652)	(8,206)	(7,493)	(6,354)	(4,458)
Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(1,607)	(1,548)	(1,020)	(912)	(806)	(376)
1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(5,714)	(5,744)	(4,740)	(3,585)	(2,426)	(1,443)
Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(2,963)	(3,024)	(2,456)	(2,101)	(1,935)	(1,819)
Home Equity Loans and Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(641)	(563)	(355)	(211)	(113)	(265)
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(7,716)	(6,059)	(5,745)	(5,830)	(5,924)	(6,198)
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(457)	$ (456)	(358)	(308)	$ (326)	$ (174)
Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	3,229,497		2,301,861
Total loans held in portfolio, net of discount, premium and deferred fees and costs		3,816,039		3,043,504
Real Estate Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	991,451		853,074
Total loans held in portfolio, net of discount, premium and deferred fees and costs		1,311,666		1,260,155
Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	452,991		281,703
Total loans held in portfolio, net of discount, premium and deferred fees and costs		472,690		296,545
Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	1,326,180		922,657
Total loans held in portfolio, net of discount, premium and deferred fees and costs		1,482,927		1,111,244
Real Estate Loans [Member] | Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	430,690		232,601
Total loans held in portfolio, net of discount, premium and deferred fees and costs		470,005		309,030
Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	28,185		11,826
Total loans held in portfolio, net of discount, premium and deferred fees and costs		78,751		66,530
Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	929,500		801,556
Total loans held in portfolio, net of discount, premium and deferred fees and costs		990,097		886,086
Other Loans [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	925,285		795,000
Total loans held in portfolio, net of discount, premium and deferred fees and costs		983,022		876,046
Other Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans	[1]	4,215		6,556
Total loans held in portfolio, net of discount, premium and deferred fees and costs		7,075		10,040
ASC 310-30 Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		410,989		317,906
Allowance for loan losses		(3,705)			(5,815)
Covered loans, net of discount, premium and deferred fees and costs				242,338
ASC 310-30 Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(1,729)			(3,692)
ASC 310-30 Loans [Member] | 1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(26)			(207)
ASC 310-30 Loans [Member] | Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(501)			(660)
ASC 310-30 Loans [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(1,032)			(976)
ASC 310-30 Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(417)			(280)
ASC 310-30 Loans [Member] | Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		362,322		280,693
Covered loans, net of discount, premium and deferred fees and costs				209,250
ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		259,411		181,885
Covered loans, net of discount, premium and deferred fees and costs				155,050
ASC 310-30 Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		69,915		52,011
Covered loans, net of discount, premium and deferred fees and costs				34,297
ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		32,996		46,797
Covered loans, net of discount, premium and deferred fees and costs				19,903
ASC 310-30 Loans [Member] | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		48,667		37,213
Covered loans, net of discount, premium and deferred fees and costs				33,088
ASC 310-30 Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		46,233		34,967
Covered loans, net of discount, premium and deferred fees and costs				32,531
ASC 310-30 Loans [Member] | Other Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		2,434		2,246
Covered loans, net of discount, premium and deferred fees and costs				557
Non-ASC 310-30 Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		236,150		234,901
Allowance for loan losses		(2,270)			(468)
Covered loans, net of discount, premium and deferred fees and costs				31,028
Non-ASC 310-30 Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(1,265)			(117)
Non-ASC 310-30 Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(68)			(23)
Non-ASC 310-30 Loans [Member] | 1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(346)			(151)
Non-ASC 310-30 Loans [Member] | Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(36)			(29)
Non-ASC 310-30 Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(469)			(123)
Non-ASC 310-30 Loans [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(82)			(21)
Non-ASC 310-30 Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses		(4)			$ (4)
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		224,220		225,016
Covered loans, net of discount, premium and deferred fees and costs				26,684
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		60,804		63,944
Covered loans, net of discount, premium and deferred fees and costs				6,202
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		19,699		12,431
Covered loans, net of discount, premium and deferred fees and costs				2,411
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		86,832		94,993
Covered loans, net of discount, premium and deferred fees and costs				7,286
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Construction Land and Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		6,319		9,729
Non-ASC 310-30 Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		50,566		43,919
Covered loans, net of discount, premium and deferred fees and costs				10,785
Non-ASC 310-30 Loans [Member] | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		11,930		9,885
Covered loans, net of discount, premium and deferred fees and costs				4,344
Non-ASC 310-30 Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		11,504		9,240
Covered loans, net of discount, premium and deferred fees and costs				4,308
Non-ASC 310-30 Loans [Member] | Other Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Covered loans		$ 426		645
Covered loans, net of discount, premium and deferred fees and costs				$ 36
[1]	Balance includes $4.3 million and $3.6 million of deferred fees, costs, and premium and discount as of September 30, 2015 and December 31, 2014, respectively.

Loans, Net - Schedule of Loan41

Loans, Net - Schedule of Loans by Portfolio and Segment (Parenthetical) (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Receivables [Abstract]
Deferred fees, costs, premiums and discounts	$ 4.3	$ 3.6

Loans, Net - Additional Informa

Loans, Net - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pledged loans as collateral for FHLB advances with a carrying amount		$ 1,930,000		$ 1,930,000		$ 1,630,000
Loan amount	[1]	4,158,997		4,158,997		3,103,417
Purchase of residential mortgage loans from third parties		0	$ 156,600	233,600	$ 227,800
Sale of loans to third parties		26,400	$ 4,300	45,900	33,200
Increase in expected cash flow for certain ASC 310-30 loan pools resulted in the reclassification				28,600	$ 19,500
ASC 310-30 Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid principal balance of ASC 310-30 loans		530,900		530,900		725,900
Loan amount		410,989		410,989		317,906
1- 4 Single Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process		9,900		9,900
Syndicated National Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan amount		$ 481,100		$ 481,100		$ 445,600
[1]	Balance includes $4.3 million and $3.6 million of deferred fees, costs, and premium and discount as of September 30, 2015 and December 31, 2014, respectively.

Loans, Net - Summary of Changes

Loans, Net - Summary of Changes in Accretable Discount for ASC 310-30 Loans (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Receivables [Abstract]
Beginning Balance	$ 156,197	$ 148,501
Additions to accretable discount from GFB acquisition		40,444
Accretion	(38,273)	(46,956)
Reclassifications from non-accretable difference	28,638	19,543
Ending Balance	$ 146,562	$ 161,532

Allowance for Loan Losses - Sum

Allowance for Loan Losses - Summary of Changes in Allowance for Loan Losses by Loan Class and Portfolio Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 27,046	$ 17,884	$ 22,880	$ 14,733
Total provision	675	2,805	4,494	7,131
Total charge-offs	(391)	(275)	(1,122)	(2,329)
Total recoveries	64	26	1,142	905
Ending balance	27,394	20,440	27,394	20,440
ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(1,176)	485	(1,962)	322
Total charge-offs	(346)	(102)	(949)	(1,652)
Total recoveries	59	25	1,130	904
Ending balance	3,705	5,815	3,705	5,815
Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	16	578	1,061	590
Total charge-offs	(45)	(173)	(173)	(329)
Ending balance	2,270	468	2,270	468
New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	1,835	1,742	5,395	6,219
Total charge-offs				(348)
Total recoveries	5	1	12	1
Ending balance	21,419	14,157	21,419	14,157
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	9,652	6,354	8,206	4,458
Total provision	(1,291)	1,115	(40)	2,994
Total charge-offs	(65)		(270)	(74)
Total recoveries		24	400	115
Ending balance	8,296	7,493	8,296	7,493
Commercial Real Estate [Member] | ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(791)	785	(1,656)	976
Total charge-offs	(65)		(270)	(74)
Total recoveries		24	400	115
Ending balance	1,729	3,692	1,729	3,692
Commercial Real Estate [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(110)	109	770	112
Ending balance	1,265	117	1,265	117
Commercial Real Estate [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(390)	221	846	1,906
Ending balance	5,302	3,684	5,302	3,684
Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,548	806	1,020	376
Total provision	59	106	587	536
Ending balance	1,607	912	1,607	912
Owner Occupied Commercial Real Estate [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	14	16	10	18
Ending balance	68	23	68	23
Owner Occupied Commercial Real Estate [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	45	90	577	518
Ending balance	1,539	889	1,539	889
1- 4 Single Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	5,744	2,426	4,740	1,443
Total provision	176	1,159	1,364	2,172
Total charge-offs	(224)		(559)	(30)
Total recoveries	18		169
Ending balance	5,714	3,585	5,714	3,585
1- 4 Single Family Residential [Member] | ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(38)		(37)	152
Total charge-offs	(224)		(431)	(30)
Total recoveries	18		169
Ending balance	26	207	26	207
1- 4 Single Family Residential [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	11	144	60	99
Total charge-offs			(128)
Ending balance	346	151	346	151
1- 4 Single Family Residential [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	203	1,015	1,341	1,921
Ending balance	5,342	3,227	5,342	3,227
Construction Land and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,024	1,935	2,456	1,819
Total provision	(79)	165	156	739
Total charge-offs		1	(56)	(1,244)
Total recoveries	18		407	787
Ending balance	2,963	2,101	2,963	2,101
Construction Land and Development [Member] | ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(310)	(1)	(508)	132
Total charge-offs		1	(56)	(1,244)
Total recoveries	18		407	787
Ending balance	501	660	501	660
Construction Land and Development [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(20)	29	(39)	29
Ending balance	36	29	36	29
Construction Land and Development [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	251	137	703	578
Ending balance	2,426	1,412	2,426	1,412
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	563	113	355	265
Total provision	115	271	323	222
Total charge-offs	(37)	(173)	(37)	(276)
Ending balance	641	211	641	211
Home Equity Loans and Lines of Credit [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	74	264	221	260
Total charge-offs	(37)	(173)	(37)	(276)
Ending balance	469	123	469	123
Home Equity Loans and Lines of Credit [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	41	7	102	(38)
Ending balance	172	88	172	88
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	6,059	5,924	5,745	6,198
Total provision	1,686	(2)	1,937	205
Total charge-offs	(57)	(93)	(132)	(575)
Total recoveries	28	1	166	2
Ending balance	7,716	5,830	7,716	5,830
Commercial and Industrial [Member] | ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(67)	(290)	52	(1,161)
Total charge-offs	(57)	(93)	(132)	(203)
Total recoveries	23		154	1
Ending balance	1,032	976	1,032	976
Commercial and Industrial [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	41	15	33	39
Total charge-offs				(24)
Ending balance	82	21	82	21
Commercial and Industrial [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	1,712	273	1,852	1,327
Total charge-offs				(348)
Total recoveries	5	1	12	1
Ending balance	6,602	4,833	6,602	4,833
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	456	326	358	174
Total provision	9	(9)	167	263
Total charge-offs	(8)	(10)	(68)	(130)
Total recoveries		1		1
Ending balance	457	308	457	308
Consumer [Member] | ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	30	(9)	187	223
Total charge-offs		(10)	(60)	(101)
Total recoveries		1		1
Ending balance	417	280	417	280
Consumer [Member] | Non-ASC 310-30 Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	6	1	6	33
Total charge-offs	(8)		(8)	(29)
Ending balance	4	4	4	4
Consumer [Member] | New Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total provision	(27)	(1)	(26)	7
Ending balance	$ 36	$ 24	$ 36	$ 24

Allowance for Loan Losses - Agi

Allowance for Loan Losses - Aging Analysis of Recorded Investment for Loans by Portfolio and Segment (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
New Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	$ 469	$ 116
Financing Receivable, Recorded Investment, Past Due	2,823	7,049
New Loans [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due		6,206
New Loans [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	2,354	727
New Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	455	116
Financing Receivable, Recorded Investment, Past Due	2,809	7,049
New Loans [Member] | Real Estate Loans [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due		6,206
New Loans [Member] | Real Estate Loans [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	2,354	727
New Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	455	116
Financing Receivable, Recorded Investment, Past Due	2,809	7,049
New Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due		6,206
New Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	2,354	727
New Loans [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	14
Financing Receivable, Recorded Investment, Past Due	14
New Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	14
Financing Receivable, Recorded Investment, Past Due	14
Acquired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	13,526	11,070
Financing Receivable, Recorded Investment, Past Due	15,123	14,079
Acquired Loans [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	865	2,275
Acquired Loans [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	732	734
Acquired Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	10,727	9,848
Financing Receivable, Recorded Investment, Past Due	12,056	12,651
Acquired Loans [Member] | Real Estate Loans [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	610	2,261
Acquired Loans [Member] | Real Estate Loans [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	719	542
Acquired Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	5,456	4,866
Financing Receivable, Recorded Investment, Past Due	5,456	4,866
Acquired Loans [Member] | Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	4	211
Financing Receivable, Recorded Investment, Past Due	4	211
Acquired Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	2,900	1,766
Financing Receivable, Recorded Investment, Past Due	2,999	3,729
Acquired Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due		1,877
Acquired Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	99	86
Acquired Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	2,367	3,005
Financing Receivable, Recorded Investment, Past Due	3,597	3,845
Acquired Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	610	384
Acquired Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	620	456
Acquired Loans [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	2,799	1,222
Financing Receivable, Recorded Investment, Past Due	3,067	1,428
Acquired Loans [Member] | Other Loans [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	255	14
Acquired Loans [Member] | Other Loans [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	13	192
Acquired Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	2,799	1,222
Financing Receivable, Recorded Investment, Past Due	3,032	1,414
Acquired Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	233
Acquired Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due		192
Acquired Loans [Member] | Other Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	35	14
Acquired Loans [Member] | Other Loans [Member] | Consumer [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	22	$ 14
Acquired Loans [Member] | Other Loans [Member] | Consumer [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 13

Allowance for Loan Losses - S46

Allowance for Loan Losses - Summary of Commercial Non-ASC 310-30 and New Loans by Key Indicators of Credit Quality (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 4,806,136	$ 3,929,590
Pass [Member] | New Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,800,403	2,162,348
Pass [Member] | New Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	991,451	853,044
Pass [Member] | New Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	452,991	281,703
Pass [Member] | New Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	430,690	232,601
Pass [Member] | New Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	925,271	795,000
Pass [Member] | Acquired Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	87,837	97,908
Pass [Member] | Acquired Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	54,970	65,173
Pass [Member] | Acquired Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	19,695	13,822
Pass [Member] | Acquired Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	6,319	9,729
Pass [Member] | Acquired Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	6,853	9,184
Special Mention [Member] | Acquired Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,482	2,675
Special Mention [Member] | Acquired Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans		107
Special Mention [Member] | Acquired Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans		421
Special Mention [Member] | Acquired Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,482	2,147
Substandard [Member] | New Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	14	30
Substandard [Member] | New Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans		30
Substandard [Member] | New Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	14
Substandard [Member] | Acquired Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,007	7,682
Substandard [Member] | Acquired Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	5,834	4,866
Substandard [Member] | Acquired Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4	599
Substandard [Member] | Acquired Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 3,169	$ 2,217

Allowance for Loan Losses - S47

Allowance for Loan Losses - Summary of Loans Based on Method for Determining Allowance (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	$ 4,806,136		$ 3,929,590
Allowance for loan losses	27,394	$ 27,046	22,880	$ 20,440	$ 17,884	$ 14,733
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	8,296	9,652	8,206	7,493	6,354	4,458
Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	1,607	1,548	1,020	912	806	376
1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	5,714	5,744	4,740	3,585	2,426	1,443
Construction Land and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	2,963	3,024	2,456	2,101	1,935	1,819
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	641	563	355	211	113	265
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	7,716	6,059	5,745	5,830	5,924	6,198
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Allowance for loan losses	457	$ 456	358	$ 308	$ 326	$ 174
Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	3,816,039		3,043,504
Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	1,311,666		1,260,155
Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	472,690		296,545
Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	1,482,927		1,111,244
Real Estate Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	470,005		309,030
Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	78,751		66,530
Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	990,097		886,086
Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	983,022		876,046
Other Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	7,075		10,040
New Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	3,229,497		2,301,861
Allowance for Credit Loss, Collectively Evaluated for Impairment	14,781		11,212
New Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	991,451		853,074
Allowance for Credit Loss, Collectively Evaluated for Impairment	5,302		4,456
New Loans [Member] | Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	452,991		281,703
Allowance for Credit Loss, Collectively Evaluated for Impairment	1,539		962
New Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	1,326,180		922,657
Allowance for Credit Loss, Collectively Evaluated for Impairment	5,342		4,001
New Loans [Member] | Real Estate Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	430,690		232,601
Allowance for Credit Loss, Collectively Evaluated for Impairment	2,426		1,723
New Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	28,185		11,826
Allowance for Credit Loss, Collectively Evaluated for Impairment	172		70
New Loans [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	929,500		801,556
Allowance for Credit Loss, Collectively Evaluated for Impairment	6,638		4,800
New Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	925,285		795,000
Allowance for Credit Loss, Collectively Evaluated for Impairment	6,602		4,738
New Loans [Member] | Other Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	4,215		6,556
Allowance for Credit Loss, Collectively Evaluated for Impairment	36		62
Acquired Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Individually Evaluated for Impairment	5,932		4,754
Loans - Recorded Investment, Collectively Evaluated for Impairment	218,288		246,946
Allowance for Credit Loss, Individually Evaluated for Impairment	1,168		174
Allowance for Credit Loss, Collectively Evaluated for Impairment	1,016		1,153
Acquired Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Individually Evaluated for Impairment	4,991		4,754
Loans - Recorded Investment, Collectively Evaluated for Impairment	55,813		65,392
Allowance for Credit Loss, Individually Evaluated for Impairment	996		174
Allowance for Credit Loss, Collectively Evaluated for Impairment	269		321
Acquired Loans [Member] | Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	19,699		14,842
Allowance for Credit Loss, Collectively Evaluated for Impairment	68		58
Acquired Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	86,832		102,279
Allowance for Credit Loss, Collectively Evaluated for Impairment	346		414
Acquired Loans [Member] | Real Estate Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	6,319		9,729
Allowance for Credit Loss, Collectively Evaluated for Impairment	36		75
Acquired Loans [Member] | Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Individually Evaluated for Impairment	941
Loans - Recorded Investment, Collectively Evaluated for Impairment	49,625		54,704
Allowance for Credit Loss, Individually Evaluated for Impairment	172
Allowance for Credit Loss, Collectively Evaluated for Impairment	297		285
Acquired Loans [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Individually Evaluated for Impairment	535
Loans - Recorded Investment, Collectively Evaluated for Impairment	11,395		14,229
Allowance for Credit Loss, Collectively Evaluated for Impairment	86		55
Acquired Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Individually Evaluated for Impairment	535
Loans - Recorded Investment, Collectively Evaluated for Impairment	10,969		13,548
Allowance for Credit Loss, Collectively Evaluated for Impairment	82		49
Acquired Loans [Member] | Other Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans - Recorded Investment, Collectively Evaluated for Impairment	426		681
Allowance for Credit Loss, Collectively Evaluated for Impairment	4		6
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	362,322		489,943
Allowance for loan losses	2,256		4,238
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	259,411		336,935
Allowance for loan losses	1,729		3,255
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	69,915		86,308
Allowance for loan losses	26		325
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Real Estate Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	32,996		66,700
Allowance for loan losses	501		658
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	48,667		70,301
Allowance for loan losses	1,449		1,248
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	46,233		67,498
Allowance for loan losses	1,032		958
ASC 310-30 Loans [Member] | Acquired Loans [Member] | Other Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans held in portfolio, net of discount, premium and deferred fees and costs	2,434		2,803
Allowance for loan losses	$ 417		$ 290

Allowance for Loan Losses - S48

Allowance for Loan Losses - Summary of Impaired Loans Evaluated for Specific Reserves (Detail) - Acquired Loans [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans - With Allowance, Recorded Investment	$ 5,143	$ 354
Impaired Loans - With Allowance, Unpaid principal Balance	5,543	354
Impaired Loans - With Allowance, Related Allowance	1,168	174
Impaired Loans - With No Allowance, Recorded Investment	789	4,400
Impaired Loans - With No Allowance, Unpaid principal Balance	836	4,595
Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans - With Allowance, Recorded Investment	4,722	354
Impaired Loans - With Allowance, Unpaid principal Balance	5,049	354
Impaired Loans - With Allowance, Related Allowance	996	174
Impaired Loans - With No Allowance, Recorded Investment	269	4,400
Impaired Loans - With No Allowance, Unpaid principal Balance	288	$ 4,595
Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans - With Allowance, Recorded Investment	421
Impaired Loans - With Allowance, Unpaid principal Balance	494
Impaired Loans - With Allowance, Related Allowance	172
Impaired Loans - With No Allowance, Recorded Investment	520
Impaired Loans - With No Allowance, Unpaid principal Balance	548
Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans - With No Allowance, Recorded Investment	535
Impaired Loans - With No Allowance, Unpaid principal Balance	750
Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans - With No Allowance, Recorded Investment	535
Impaired Loans - With No Allowance, Unpaid principal Balance	$ 750

Allowance for Loan Losses - S49

Allowance for Loan Losses - Summary of Impaired Loans Average Recorded Investment and Interest Income Recognized (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Average Recorded Investment	$ 754	$ 184	$ 678	$ 184
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Average Recorded Investment	5,158	4,624	5,279	4,687
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Real Estate Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Average Recorded Investment	231		151
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Average Recorded Investment	4,734	4,624	4,843	4,687
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Real Estate Loans [Member] | Owner Occupied Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Real Estate Loans [Member] | 1- 4 Single Family Residential [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Real Estate Loans [Member] | Construction Land and Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Real Estate Loans [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Average Recorded Investment	523	184	527	184
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Average Recorded Investment	424		436
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Average Recorded Investment	547		542
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Other Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Average Recorded Investment	547		542
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	0	0	0	0
Other Loans [Member] | Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans with no related allowance - Interest Income Recognized	0	0	0	0
Impaired loans with an allowance - Interest Income Recognized	$ 0	$ 0	$ 0	$ 0

Covered Assets and Loss Shari50

Covered Assets and Loss Sharing Agreements - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 04, 2015	Sep. 30, 2015	Sep. 30, 2014
Banking and Thrift [Abstract]
Consideration paid	$ 14,800	$ 14,815
Loss on termination of agreement with FDIC	$ 65,500
Increases in the loss share indemnification asset, were included in non-interest income			$ 2,700

Covered Assets and Loss Shari51

Covered Assets and Loss Sharing Agreements - Summary of Carrying Value of Assets Covered by Loss Sharing Agreements (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Loans, excluding allowance for loan losses	$ 0	$ 273,366
OREO	$ 0	25,130
Total Covered Assets		$ 298,496

Covered Assets and Loss Shari52

Covered Assets and Loss Sharing Agreements - Summary of Changes in Loss Share Indemnification Asset (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
FDIC Indemnification Asset [Roll Forward]
Balance at beginning of period	$ 74,853	$ 63,168	$ 87,229
Termination of FDIC loss sharing agreements		(63,168)
Reimbursable expenses	648		3,801
Amortization	(6,272)		(17,677)
Income resulting from impairment and charge-off of covered assets, net	1,474		2,680
Expense resulting from recoupment and disposition of covered assets, net	(678)		(3,101)
FDIC claims submissions	(105)		(3,012)
Balance at end of period	$ 69,920	$ 0	$ 69,920

Covered Assets and Loss Shari53

Covered Assets and Loss Sharing Agreements - Summary of Changes in Clawback Liability included Other Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Liabilities Disclosure [Abstract]
Balance at beginning of period	$ 12,525	$ 13,846	$ 11,753
Termination of FDIC loss sharing agreements		$ (13,846)
Amortization impact	190		547
Remeasurement impact	842		1,257
Balance at end of period	$ 13,557		$ 13,557

Derivatives - Additional Inform

Derivatives - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative [Line Items]
Carrying value of pledged securities	$ 639,900	$ 685,300	$ 639,900		$ 639,900
Floating rate terms within interest rate swaps were indexed	1-month LIBOR	1-month LIBOR
Customer Swap Fees [Member]
Derivative [Line Items]
Customer swap fees in non-interest income in the accompanying consolidated statements of operations			892	$ 813	3,700	$ 3,000
Interest Rate Contracts [Member]
Derivative [Line Items]
Carrying value of pledged securities	$ 22,400		$ 22,400		$ 22,400

Derivatives - Summary of Deriva

Derivatives - Summary of Derivatives Outstanding Included in Other Assets and Liabilities (Detail) - Not Designated as Hedging Instrument [Member] - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Derivative Assets, Notional	$ 614,353,000	$ 464,890,000
Derivative Assets, Fair Value	27,143,000	14,328,000
Derivative Liabilities, Notional	630,949,000	481,486,000
Derivative Liabilities, Fair Value	27,143,000	14,328,000
Interest Rate Contracts [Member] | Pay Floating, Receive Fixed [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Notional	614,353,000	464,890,000
Derivative Assets, Fair Value	27,143,000	14,328,000
Derivative Liabilities, Notional	8,298,000	8,298,000
Derivative Liabilities, Fair Value	3,000	39,000
Interest Rate Contracts [Member] | Pay Fixed, Receive Floating [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Notional	622,651,000	473,188,000
Derivative Liabilities, Fair Value	$ 27,140,000	$ 14,289,000

Derivatives - Summary of Gross

Derivatives - Summary of Gross and Net Fair Values of Derivatives Outstanding Included in Other Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Offsetting Liabilities [Line Items]
Gross amounts of recognized liabilities	$ 27,143	$ 14,328
Gross amounts offset in the consolidated balance sheets	(3)	(39)
Net amounts in the consolidated balance sheets	27,140	14,289
Interest Rate Contracts [Member] | Counterparty A [Member]
Offsetting Liabilities [Line Items]
Gross amounts of recognized liabilities	27,143	14,328
Gross amounts offset in the consolidated balance sheets	(3)	(39)
Net amounts in the consolidated balance sheets	$ 27,140	$ 14,289

Deposits - Summary of Company's

Deposits - Summary of Company's Deposits by Category (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Noninterest-bearing demand deposits	$ 618,741	$ 593,025
Interest-bearing demand deposits	404,085	122,380
Interest-bearing NOW accounts	350,602	374,399
Savings and money market accounts	1,923,723	1,811,878
Time deposits	1,524,693	1,076,853
Total deposits	4,821,844	3,978,535
Time deposits $100,000 and greater	1,051,929	689,439
Time deposits greater than $250,000	$ 435,345	$ 226,895

Deposits - Additional Informati

Deposits - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Aggregate amount of overdraft demand deposits reclassified to loans	$ 419
Aggregate amount of time deposits, Year one	989,000
Aggregate amount of time deposits, Year two	362,900
Aggregate amount of time deposits, Year three	154,900
Aggregate amount of time deposits, Year four	11,000
Aggregate amount of time deposits, Year five	6,700
Brokered deposits through an insured deposits sweep program	$ 424,800	$ 338,200

Accumulated Other Comprehensi59

Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Changes In Accumulated Other Comprehensive Income [Abstract]
Balance at beginning of period	$ 127	$ 13,313	$ 1,106	$ (2,565)
Net unrealized holdings gain (loss) arising during the period, Before tax	(4,625)	(12,962)	(3,325)	6,753
Amounts reclassified to (gain) loss on investment securities, Before tax	(232)	(2,121)	(2,511)	(5,958)
Balance at end of period	(4,730)	(1,770)	(4,730)	(1,770)
Balance at beginning of period	(49)	(5,136)	(427)	990
Net unrealized holdings gain (loss) arising during the period, Tax effect	1,784	5,001	1,283	(2,605)
Amounts reclassified to (gain) loss on investment securities, Tax effect	90	818	969	2,298
Balance at end of period	1,825	683	1,825	683
Balance at beginning of period	78	8,177	679	(1,575)
Net unrealized holdings gain (loss) arising during the period, Net of tax	(2,841)	(7,961)	(2,042)	4,148
Amounts reclassified to (gain) loss on investment securities, Net of tax	(142)	(1,303)	(1,542)	(3,660)
Balance at end of period	$ (2,905)	$ (1,087)	$ (2,905)	$ (1,087)

Basic and Diluted Earnings Pe60

Basic and Diluted Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net income (loss) available to common stockholders	$ 21,140	$ (3,422)	$ 23,642	$ 9,272
Weighted average number of common shares-basic	41,381,482	38,952,127	41,410,494	36,923,354
Effect of dilutive securities:
Employee stock-based compensation awards and warrants	2,416,896		1,702,453	171,236
Weighted average number of common shares-diluted	43,798,378	38,952,127	43,112,947	37,094,590
Basic earnings (loss) per share	$ 0.51	$ (0.09)	$ 0.57	$ 0.25
Diluted earnings (loss) per share	$ 0.48	$ (0.09)	$ 0.55	$ 0.25
Anti-dilutive warrants, stock options and RSUs	120,500	9,534,756	531,610	8,378,217

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Effective income tax rate	34.90%	2.80%	5.70%	40.90%

Stock-Based Compensation and 62

Stock-Based Compensation and Other Benefit Plans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	Sep. 30, 2014	Apr. 29, 2014	Feb. 05, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Executive Long-Term Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense						$ 900
2009 Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, option grants during the period	391,500	150,000			391,500		631,500
Stock based compensation awards, weighted average exercise price of option grants	$ 22.69	$ 19.75
Stock based compensation awards, aggregate fair value on grant date	$ 3,100	$ 890
Stock based compensation awards, expiration period	10 years	10 years
Stock based compensation awards, options vesting period	3 years	3 years
Number of shares available for award				0		0
Stock based compensation, vested and exercisable shares				3,199,397		3,199,397
Unrecognized compensation cost related to shares awards				$ 3,100		$ 3,100
Weighted average period of compensation cost to be recognized						1 year 11 months 5 days
2009 Option Plan [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, option grants during the period			90,000
Stock based compensation awards, shares vesting percentage			25.00%
Stock based compensation awards, weighted average exercise price of option grants			$ 19.75
Stock based compensation awards, aggregate fair value on grant date			$ 479
Stock based compensation awards, expiration period			10 years
2013 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, option grants during the period				0	0	249,500	0
Stock based compensation awards, weighted average exercise price of option grants						$ 25.61
Stock based compensation awards, aggregate fair value on grant date						$ 1,800
Stock based compensation awards, expiration period						10 years
Number of shares available for award				93,334		93,334
Stock based compensation, vested and exercisable shares				754,999		754,999
Weighted average period of compensation cost to be recognized						1 year 7 months 2 days
Unrecognized compensation expense related to stock-based compensation				$ 2,200		$ 2,200
2013 Stock Incentive Plan [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, option grants during the period						120,500
Stock based compensation awards, shares vesting percentage						33.33%
Stock based compensation awards, options vesting period						3 years
2013 Stock Incentive Plan [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards, option grants during the period						129,000
Stock based compensation awards, shares vesting percentage						25.00%

Stock-Based Compensation and 63

Stock-Based Compensation and Other Benefit Plans - Schedule of Option Activity - 2009 Option Plan (Detail) - 2009 Option Plan [Member] - shares	Sep. 30, 2014	Apr. 29, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, beginning balance			4,074,583	3,686,000	4,135,250	3,688,500
Granted, options	391,500	150,000		391,500		631,500
Exercised, options			(272,671)		(309,506)
Forfeited, options			(750)	(5,166)	(24,081)	(19,332)
Expired, options					(501)	(228,334)
Options outstanding, ending balance	4,072,334		3,801,162	4,072,334	3,801,162	4,072,334

Stock-Based Compensation and 64

Stock-Based Compensation and Other Benefit Plans - Schedule of Option Activity - 2013 Stock Incentive Plan (Detail) - 2013 Stock Incentive Plan [Member] - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, beginning balance	2,400,000	2,170,500	2,170,500	2,173,000
Granted, options	0	0	249,500	0
Exercised, options	(26,313)		(32,979)
Forfeited, options			(13,334)	(2,500)
Expired, options	0	0	0	0
Options outstanding, ending balance	2,373,687	2,170,500	2,373,687	2,170,500

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Reserve for unfunded commitments	$ 1.7	$ 1.2

Commitments and Contingencies66

Commitments and Contingencies - Summary of Unfunded Commitments (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Line of Credit Facility [Line Items]
Unfunded credit extension commitments	$ 771,621	$ 561,472
Commitments to Fund Loans [Member]
Line of Credit Facility [Line Items]
Unfunded credit extension commitments	508,721	351,369
Unused Lines of Credit [Member]
Line of Credit Facility [Line Items]
Unfunded credit extension commitments	248,385	199,880
Commercial and Standby Letters of Credit [Member]
Line of Credit Facility [Line Items]
Unfunded credit extension commitments	$ 14,515	$ 10,223

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets:
Assets, fair value	$ 1,494,962	$ 1,373,426
Liabilities:
Liabilities, fair value	27,143	28,174
Derivative Liabilities [Member] | Interest Rate Contracts [Member]
Liabilities:
Liabilities, fair value	27,143	14,328
Clawback Liability [Member]
Liabilities:
Liabilities, fair value		13,846
Level 1 [Member]
Assets:
Assets, fair value	2,064	23,594
Level 2 [Member]
Assets:
Assets, fair value	1,492,898	1,349,832
Liabilities:
Liabilities, fair value	27,143	14,328
Level 2 [Member] | Derivative Liabilities [Member] | Interest Rate Contracts [Member]
Liabilities:
Liabilities, fair value	27,143	14,328
Level 3 [Member]
Liabilities:
Liabilities, fair value		13,846
Level 3 [Member] | Clawback Liability [Member]
Liabilities:
Liabilities, fair value		13,846
U.S. Government Agencies and Sponsored Enterprises Obligations [Member]
Assets:
Assets, fair value	5,228	6,096
U.S. Government Agencies and Sponsored Enterprises Obligations [Member] | Level 2 [Member]
Assets:
Assets, fair value	5,228	6,096
U.S. Government Agencies and Sponsored Enterprises Mortgage-backed Securities [Member]
Assets:
Assets, fair value	367,260	501,652
U.S. Government Agencies and Sponsored Enterprises Mortgage-backed Securities [Member] | Level 2 [Member]
Assets:
Assets, fair value	367,260	501,652
State and Municipal Obligations [Member]
Assets:
Assets, fair value	2,235	2,277
State and Municipal Obligations [Member] | Level 2 [Member]
Assets:
Assets, fair value	2,235	2,277
Asset-backed Securities [Member]
Assets:
Assets, fair value	499,094	478,201
Asset-backed Securities [Member] | Level 2 [Member]
Assets:
Assets, fair value	499,094	478,201
Corporate Bonds and Other Debt Securities [Member]
Assets:
Assets, fair value	426,468	258,683
Corporate Bonds and Other Debt Securities [Member] | Level 2 [Member]
Assets:
Assets, fair value	426,468	258,683
Preferred Stock and Other Equity Securities [Member]
Assets:
Assets, fair value	167,534	112,189
Preferred Stock and Other Equity Securities [Member] | Level 1 [Member]
Assets:
Assets, fair value	2,064	23,594
Preferred Stock and Other Equity Securities [Member] | Level 2 [Member]
Assets:
Assets, fair value	165,470	88,595
Derivative Assets [Member] | Interest Rate Contracts [Member]
Assets:
Assets, fair value	27,143	14,328
Derivative Assets [Member] | Level 2 [Member] | Interest Rate Contracts [Member]
Assets:
Assets, fair value	$ 27,143	$ 14,328

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2015USD ($)Instruments	Sep. 30, 2014USD ($)	Mar. 04, 2015USD ($)	Dec. 31, 2014USD ($)	Jun. 30, 2014USD ($)	Dec. 31, 2013USD ($)
Fair Value Disclosures [Abstract]
No transfers of financial assets between levels of the fair value hierarchy	$ 0	$ 0
Loss share indemnification asset	$ 0	$ 69,920,000		$ 63,168,000	$ 74,853,000	$ 87,229,000
Reimbursement period	90 days
Due from FDIC			$ 0	$ 1,735,000
No remaining EAAs as the agreements settled with the FDIC | Instruments	0

Fair Value Measurements - Sched

Fair Value Measurements - Schedule of Changes in Fair Value of Liabilities Measured at Fair Value on Recurring Basis and Classified in Level 3 of Fair Value Hierarchy for Periods Presented (Detail) - Level 3 [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Clawback Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	$ 12,525	$ 13,846	$ 11,753
Losses (gains) included in other noninterest expenses	1,032		1,804
Termination of FDIC loss sharing agreements		$ 13,846
Balance at end of period	13,557		13,557
EAAs [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	1,814		1,114
Losses (gains) included in other noninterest expenses	766		1,466
EAAs [Member] | Final EAA Settlement On FCB [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Final EAA settlement on FCB	(1,458)		(1,458)
EAAs [Member] | Final EAA Settlement On PAB [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Final EAA settlement on FCB	$ (1,122)		$ (1,122)

Fair Value Measurements - Signi

Fair Value Measurements - Significant Unobservable Inputs in Fair Value Measurement Level 3 Assets and Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Fair value	$ 40,405	$ 74,527
Level 3 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Fair value	4,847,857	3,959,771
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Fair value	40,405	$ 74,527
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Loans [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Fair value	$ 4,847,857
Valuation Technique	Third party appraisals and discounted cash flows
Unobservable Inputs	Collateral discounts and discount rates
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Fair value	$ 40,405
Valuation Technique	Third party appraisals
Unobservable Inputs	Collateral discounts and estimated cost to sell
Range	10.00%
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Minimum [Member] | Loans [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Range	0.00%
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Maximum [Member] | Loans [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Range	100.00%

Fair Value Measurements - Sum71

Fair Value Measurements - Summary of Fair Value Measurements Related to Collateral Dependent Impaired Loans and OREO are Classified Within Level 3 of the Fair Value Hierarchy (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Assets that are still held (classified in Level 3):
Foreclosed real estate	$ 40,405		$ 40,405		$ 74,527
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
Assets that are still held (classified in Level 3):
Impaired loans	6,467		6,467		4,754
Foreclosed real estate	40,405		40,405		$ 74,527
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Impaired Loans [Member]
Negative valuation adjustments:
Negative fair valuation adjustments		$ 4	1,011	$ 4
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Foreclosed Real Estate [Member]
Negative valuation adjustments:
Negative fair valuation adjustments	$ 122	$ 958	$ 242	$ 1,690

Fair Value Measurements - Sch72

Fair Value Measurements - Schedule of Carrying Amounts and Estimated Fair Values, as well as the Level Within the Fair Value Hierarchy (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 04, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 84,759		$ 107,085	$ 140,630		$ 239,217
Available for sale securities	1,467,819		1,359,098
Loans, net	4,778,742		3,906,710
Loans held for sale	2,573		707
Loss share indemnification asset	0		63,168	69,920	$ 74,853	87,229
Due from FDIC		$ 0	1,735
Bank-owned life insurance	166,931		139,829
Deposits	4,821,844		3,978,535
Advances from the FHLB and other borrowings	1,149,920		1,067,981
Clawback liability			13,846	$ 13,557	$ 12,525	$ 11,753
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	84,759		107,085
Available for sale securities	1,467,819		1,359,098
FHLB and other bank stock	65,955		66,891
Loans, net	4,778,742		3,906,710
Loans held for sale	2,573		707
Loss share indemnification asset			63,168
Due from FDIC			1,735
Bank-owned life insurance	166,931		139,829
Derivative assets - Interest rate contracts	27,143		14,328
Deposits	4,821,844		3,978,535
Advances from the FHLB and other borrowings	1,149,920		1,067,981
Derivative liabilities - Interest rate contracts	27,143		14,328
Clawback liability			13,846
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	84,759		107,085
Available for sale securities	1,467,819		1,359,098
FHLB and other bank stock	65,955		66,891
Loans, net	4,847,857		3,959,771
Loans held for sale	2,573		707
Loss share indemnification asset			27,976
Due from FDIC			1,735
Bank-owned life insurance	166,931		139,829
Derivative assets - Interest rate contracts	27,143		14,328
Deposits	4,825,458		3,977,629
Advances from the FHLB and other borrowings	1,150,326		1,066,764
Derivative liabilities - Interest rate contracts	27,143		14,328
Clawback liability			13,846
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	84,759		107,085
Available for sale securities	2,064		23,594
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale securities	1,465,755		1,335,504
FHLB and other bank stock	65,955		66,891
Loans held for sale	2,573		707
Due from FDIC			1,735
Bank-owned life insurance	166,931		139,829
Derivative assets - Interest rate contracts	27,143		14,328
Deposits	4,825,458		3,977,629
Advances from the FHLB and other borrowings	1,150,326		1,066,764
Derivative liabilities - Interest rate contracts	27,143		14,328
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	$ 4,847,857		3,959,771
Loss share indemnification asset			27,976
Clawback liability			$ 13,846