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Allowance for Loan Losses - Summary of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | $ 55,351 | $ 52,213 | $ 52,775 | $ 48,147
Charge-offs | (2,660) | (1,500) | (11,423) | (8,623)
Recoveries | 1,171 | 564 | 2,459 | 1,890
Net (Charge-offs)/ Recoveries | (1,489) | (936) | (8,964) | (6,733)
Provision for loan losses | 2,850 | 2,516 | 12,901 | 12,379
Balance at End of Period | 56,712 | 53,793 | 56,712 | 53,793
Commercial Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 24,358 | 15,978 | 19,976 | 15,043
Charge-offs | (37) | (93) | (2,100) | (1,808)
Recoveries | 182 | 264 | 415 | 662
Net (Charge-offs)/ Recoveries | 145 | 171 | (1,685) | (1,146)
Provision for loan losses | 472 | 4,244 | 6,684 | 6,496
Balance at End of Period | 24,975 | 20,393 | 24,975 | 20,393
Commercial and Industrial |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 9,256 | 14,771 | 10,810 | 10,853
Charge-offs | (644) | (414) | (4,041) | (3,244)
Recoveries | 243 | 169 | 499 | 589
Net (Charge-offs)/ Recoveries | (401) | (245) | (3,542) | (2,655)
Provision for loan losses | 859 | (2,232) | 2,446 | 4,096
Balance at End of Period | 9,714 | 12,294 | 9,714 | 12,294
Commercial Construction |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 13,944 | 11,701 | 13,999 | 12,625
Charge-offs | (1,453) | (163) | (2,097) | (1,108)
Recoveries | 473 | 17 | 842 | 20
Net (Charge-offs)/ Recoveries | (980) | (146) | (1,255) | (1,088)
Provision for loan losses | 1,951 | 1,356 | 2,171 | 1,374
Balance at End of Period | 14,915 | 12,911 | 14,915 | 12,911
Consumer Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 5,803 | 8,418 | 6,095 | 8,400
Charge-offs | (101) | (369) | (1,957) | (891)
Recoveries | 91 | 44 | 270 | 342
Net (Charge-offs)/ Recoveries | (10) | (325) | (1,687) | (549)
Provision for loan losses | (262) | (1,760) | 1,123 | (1,518)
Balance at End of Period | 5,531 | 6,333 | 5,531 | 6,333
Other Consumer |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Balance at beginning of period | 1,990 | 1,345 | 1,895 | 1,226
Charge-offs | (425) | (461) | (1,228) | (1,572)
Recoveries | 182 | 70 | 433 | 277
Net (Charge-offs)/ Recoveries | (243) | (391) | (795) | (1,295)
Provision for loan losses | (170) | 908 | 477 | 1,931
Balance at End of Period | $ 1,577 | $ 1,862 | $ 1,577 | $ 1,862

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount, after recoveries, of loans and leases that have been written-off. + References No definition available. + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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