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Purchased Loans - Loans Acquired with Deteriorated Credit Quality (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | $ 7,720,302 | $ 7,574,111
Purchased loans | Receivables Acquired with Deteriorated Credit Quality |  |
Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | 201,041 | 227,260
Purchased loans | Receivables Acquired with Deteriorated Credit Quality | Commercial, financial, agricultural |  |
Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | 10,415 | 15,315
Purchased loans | Receivables Acquired with Deteriorated Credit Quality | Real estate – 1-4 family mortgage |  |
Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | 46,376 | 53,969
Purchased loans | Receivables Acquired with Deteriorated Credit Quality | Real estate – commercial mortgage |  |
Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | 142,693 | 156,338
Purchased loans | Receivables Acquired with Deteriorated Credit Quality | Installment loans to individuals |  |
Loans acquired with deteriorated credit quality |  |
Total Purchased Credit Deteriorated Loans | $ 1,557 | $ 1,638

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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums over and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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