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Business Combinations Business Combinations (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jul. 01, 2018
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | $ 272,800 |  |
Business Acquisition, Share Price | $ 3.80 |  | $ 1.08
Business Combination, Consideration Transferred [Abstract] |  |  |
Payments to Acquire Businesses, Gross | $ 30,684 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 48,519 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value | 7,000 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Fair Value Method | $ 86,203 |  |
Business Acquisition, Percentage of Voting Interests Acquired | 91.50% |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage | 8.60% |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain | $ 3,500 |  |
Business Acquisition, Transaction Costs | 3,600 |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents | 42,954 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities | 1,954 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables | 272,753 |  | $ 272,753
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment [Abstract] | 940 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets | 6,133 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets | 1,300 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities | 284,231 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | 332,283 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities | 2,254 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 6,249 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 286,485 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | 45,798 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Acquisition, Pro Forma Net Income (Loss) | $ 88,102 | $ 62,775 |
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ 5.61 | $ 3.99 |
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ 5.51 | $ 3.97 |
Business Acquisition, Pro Forma Revenue | $ 204,074 | $ 190,461 |
Business Combination, Acquired Receivables, Gross Contractual Amount | $ 277,900 |  | $ 277,900
Business Combination, Consideration Transferred allocation percentage stock | 60.00% |  |
Business Combination, Consideration Transferred allocation percentage cash | 40.00% |  |
Goodwill, Acquired During Period | $ 40,405 |  |
Common Stock [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Share Price | $ 0.1378 |  | $ 0.01
Other Expense [Member] |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Business Acquisition, Transaction Costs | $ 200 |  |
Employee benefits [Member] |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Business Acquisition, Transaction Costs | 100 |  |
Salaries [Member] |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Business Acquisition, Transaction Costs | 1,600 |  |
Professional fees and services [Member] |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Business Acquisition, Transaction Costs | 1,800 |  |
Commercial, Financial, and Agricultural [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 19,100 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 19,200 |  |
Commercial Real Estate [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 117,600 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 119,400 |  |
Construction Real Estate Commercial [Domain] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 22,200 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 22,500 |  |
Construction Real Estate - Mortgage [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 8,100 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 8,400 |  |
Residential Real Estate Commercial [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 14,800 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 14,800 |  |
Residential Real Estate - Mortgage [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 48,700 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 50,300 |  |
Residential Real Estate Home Equity Line Of Credit [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 36,700 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 37,700 |  |
Consumer Loan [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 500 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 500 |  |
Purchased credit impaired [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value | 4,900 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | $ 5,100 |  |
Performing Financial Instruments [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Acquired Receivable, Fair Value |  |  | $ 267,900
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  | $ 272,900

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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 + Details
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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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