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Federal Home Loan Bank Advances | 12 Months Ended
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Dec. 31, 2017
Federal Home Loan Banks [Abstract] |
Federal Home Loan Bank Advances | Note 12—Federal Home Loan Bank Advances The following table summarizes the FHLB advances as of December 31, 2017 and 2016, which include acquisition accounting adjustments of $19,000 and $228,000, respectively, along with weighted average costs and scheduled maturities:
|  | 2017 |  |  | 2016 |
Federal Home Loan Bank advances |  | $ | 361,506 |  |  | $ | 313,715 |
Weighted average cost |  |  | 1.49 | % |  |  | 0.73 | %
|  | Scheduled Maturities |
2018 |  | $ | 361,506 |
Total |  | $ | 361,506 |
At December 31, 2017, all advances were at a fixed‑rate with interest rates ranging from 1.32% to 3.22% and maturities ranging from January 2018 to March 2018. The Company’s advances from the FHLB are collateralized by residential real estate loans and securities. The Company’s required investment in FHLB stock is $1 for every $20 in advances. Refer to Note 4—Securities for additional discussion. At December 31, 2017 and 2016, the Bank has additional borrowing capacity from the FHLB of $795.0 million and $647.9 million, respectively, subject to the availability of qualifying collateral. The Bank’s maximum borrowing capacity is limited to 35% of total assets. FHLB advances assumed from the Ridgestone acquisition of $1.5 million are putable quarterly and are required to be repaid upon the request of the FHLB. The Company hedges interest rates on borrowed funds using interest rate swaps through which the Company receives variable amounts and pays fixed amounts. Refer to Note 22—Derivative Instruments and Hedging Activities for additional information.

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- Definition The entire disclosure for borrowing from the Federal Home Loan Bank, including: (i) general description; (ii) title and nature of obligation; (iii) interest rate; (iv) payment terms; (v) maturity dates by year; (vi) collateral requirements; (vii) restrictive covenants; (viii) priority; (ix) conversion or redemption features; (x) carrying value of assets pledged as collateral; (xi) combined aggregate maturities for next five years; (xii) unused or available balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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